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    <h2><u>Operation of particular instruments</u></h2>
    <span style="font-weight: bold;">Please note that instruments are
      being driven by ArgyllCMS drivers, and that any problems or
      queries regarding instrument<br>
      operation </span><span style="font-weight: bold;">should be
      directed to the Argyll's author(s) or the Argyll mailing list, and
      not to any</span> <span style="font-weight: bold;">other party.</span><span
      style="font-weight: bold;"></span><br>
    <br>
    The following instruments are directly supported:<br>
    (Please <span style="font-weight: bold;">note</span> the <a
      href="Installing.html">installation instructions</a> for each
    platform - they contain important information for getting your
    instruments working.)<br>
    <br>
    JETI:<br>
    <br>
    &nbsp;&nbsp;&nbsp; <a href="#specbos">specbos 1211 &amp; 1201</a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;








    - Tele-Spectro-Radiometer<br>
    <br>
    X-Rite:<br>
    &nbsp;&nbsp;&nbsp; <a href="#DTP20">DTP20 "Pulse"</a>&nbsp;
    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;






























    - "swipe" type reflective spectrometer, that can be used untethered.<br>
    &nbsp;&nbsp;&nbsp; <a href="#DTP22">DTP22 Digital Swatchbook</a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;






























    - spot type reflective spectrometer.<br>
    &nbsp;&nbsp;&nbsp; <a href="#DTP41">DTP41</a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;






























    - spot and strip reading reflective spectrometer.<br>
    &nbsp;&nbsp;&nbsp; <a href="#DTP41">DTP41T</a> &nbsp; &nbsp; &nbsp;
    &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;
    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;






























    - spot and strip reading reflective/transmissive spectrometer.<br>
    &nbsp;&nbsp;&nbsp; <a href="#dtp51">DTP51</a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;






























    - strip reading reflective colorimeter.<br>
    &nbsp;&nbsp;&nbsp; <a href="#DTP92">DTP92</a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;






























    - CRT display colorimeter.<br>
    &nbsp;&nbsp;&nbsp; <a href="#DTP94">DTP94</a> <font size="-1">"Optix






























      XR"</font> or "Optix XR2" or "Optix Pro"- display colorimeter.<br>
    <a href="#ColorMunki"><span style="text-decoration: underline;"></span></a>&nbsp;&nbsp;&nbsp;






























    <a href="#ColorMunki"><span style="text-decoration: underline;">ColorMunki</span></a>
    Design or Photo&nbsp;
    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; - spot and "swipe"
    reflective/emissive spectrometer (UV cut only).<br>
    &nbsp;&nbsp;&nbsp; <a href="#i1d"><span style="text-decoration:
        underline;">ColorMunki</span></a> Create or Smile&nbsp;&nbsp;
    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; - display
    colorimeter. (Similar to an Eye-One Display 2)<br>
    &nbsp;&nbsp;&nbsp; <a href="#Huey">Lenovo W</a> &nbsp; &nbsp;
    &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
    &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; - built in laptop
    Huey display colorimeter.<br>
    &nbsp;&nbsp;&nbsp; <a href="#i1d3">Eye-One Display 3</a> &nbsp;
    &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
    &nbsp; &nbsp; - i1 DisplayPro and ColorMunki Display<br>
    &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;
    &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;
    &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;
    &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;
    &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; [ The OEM
    i1Display Pro, NEC SpectraSensor Pro,<br>
    &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
    &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
    &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
    &nbsp; &nbsp; &nbsp;&nbsp; Quato Silver Haze 3 OEM and HP
    DreamColor&nbsp; i1d3 are also reported to work.]<br>
    &nbsp; &nbsp; <a href="instruments.html#i1p2">Eye-One Pro2</a>
    &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
    &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;&nbsp;&nbsp; &nbsp; - spot and
    "swipe" reflective/emissive spectrometer.<br>
    <br>
    Gretag-Macbeth (now X-Rite):<br>
    &nbsp; &nbsp; <a href="#sl">Spectrolino</a> &nbsp; &nbsp; &nbsp;
    &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
    &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; - spot reflective/emissive
    spectrometer<br>
    &nbsp; &nbsp; <a href="#ss">SpectroScan</a> &nbsp; &nbsp; &nbsp;
    &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
    &nbsp; &nbsp; &nbsp; &nbsp; - spot reflective/emissive, XY table
    reflective spectrometer&nbsp; <br>
    &nbsp; &nbsp; <a href="#ss">SpectroScanT</a> &nbsp; &nbsp; &nbsp;
    &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
    &nbsp; &nbsp; &nbsp; - spot reflective/emissive/transmissive, XY
    table reflective spectrometer<br>
    &nbsp; &nbsp; <a href="#i1p">Eye-One Pro</a> "EFI ES-1000" &nbsp;
    &nbsp; &nbsp; &nbsp; &nbsp; - spot and "swipe" reflective/emissive
    spectrometer<br>
    &nbsp; &nbsp; <a href="instruments.html#i1m">Eye-One Monitor</a>
    &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
    &nbsp; &nbsp; &nbsp; &nbsp; - spot and "swipe" emissive spectrometer<br>
    &nbsp;&nbsp;&nbsp; <a href="#i1d">Eye-One Display 1 or 2&nbsp; or
      LT</a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; - display
    colorimeter<br>
    &nbsp;&nbsp;&nbsp; <a href="instruments.html#i1d">HP DreamColor or
      APS</a>&nbsp;
    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;






























    - display colorimeter. (Treated as a Eye-One Display 2)<br>
    &nbsp;&nbsp;&nbsp; <a href="#i1d">CalMAN X2</a>
    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;






























    - display colorimeter. (Treated as a Eye-One Display 2)<br>
    &nbsp;&nbsp;&nbsp; <a href="#Huey">Huey</a> &nbsp; &nbsp; &nbsp;
    &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
    &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; - display colorimeter<br>
    <br>
    Sequel imaging (Now X-Rite):<br>
    &nbsp;&nbsp;&nbsp;&nbsp; <a href="#mox">MonacoOPTIX</a> &nbsp;
    &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;
    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; - display colorimeter (Treated
    as an Eye-One Display 1)<br>
    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;






























    [The Sequel Chroma 4 may also work.]<br>
    <br>
    Lacie Blue
    Eye:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;






























    - see <a href="#i1d">Eye-One Display</a><br>
    <br>
    DataColor ColorVision:<br>
    &nbsp;&nbsp;&nbsp;&nbsp; <a href="#spyd2">Spyder 2</a> &nbsp;
    &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
    &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;
    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; - display colorimeter (Note
    that the user must <a href="oeminst.html">supply</a> firmware)<br>
    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;






























    [The Spyder 1 also seems to work.]<br>
    &nbsp;&nbsp;&nbsp;&nbsp; <a href="#spyd3">Spyder 3</a> &nbsp;
    &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
    &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;
    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; - display colorimeter.<br>
    &nbsp;&nbsp;&nbsp;&nbsp; <a href="#spyd4">Spyder 4</a> &nbsp;
    &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
    &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;
    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; - display colorimeter (Note
    that the user must <a href="oeminst.html">supply</a> calibration
    data)<br>
    <br>
    Other:<br>
    &nbsp;&nbsp;&nbsp; <span class="titre"><a href="#HCFR">Colorim&egrave;tre






























        HCFR</a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;






























      - display colorimeter<br>
    </span>&nbsp;&nbsp;&nbsp; <a href="#ColorHug">ColorHug</a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;





















    - display colorimeter<span class="titre"><br>
    </span><br>
    Other instruments can be supported indirectly, since patch result
    files created by other packages can be imported into Argyll.<br>
    <span class="titre"><br>
      General information about:<br>
      <br>
      &nbsp;&nbsp;&nbsp; <a href="#strip">Strip reading instruments</a><br>
    </span>&nbsp;&nbsp;&nbsp; <a href="#xy">X-Y Table instruments</a><br>
    &nbsp;&nbsp;&nbsp; <a href="#spot">Spot reading instruments</a><br>
    <span style="font-weight: bold;"></span><br>
    <br>
    There is a <a href="ccmxs.html">list of contributed</a> <span
      style="font-weight: bold;">ccmx</span> (Colorimeter Correction
    Matrix) files.<br>
    <br>
    <hr style="width: 100%; height: 2px;">
    <h3><a name="strip"></a>Strip reading instruments</h3>
    When used with a <span style="font-weight: bold;">DT20</span>, <span
      style="font-weight: bold;">DTP41</span>, <span
      style="font-weight: bold;">DTP51</span>, <span
      style="font-weight: bold;">Eye-One Pro<span style="font-weight:
        bold;"> </span></span>or <span style="font-weight: bold;">ColorMunki</span>
    strip reading instrument, chartread will first establish
    communications with the instrument, and then set it up ready to read
    the strips. The strips are labeled A to ZZ, and for each strip it
    will prompt:<br>
    <br>
    &nbsp;&nbsp;&nbsp; About to read strip XX&nbsp; :<br>
    <br>
    where XX is the strip label, and this is followed by the available
    options to navigate, read the strip, or finish. Note that the normal
    (forward) direction of strip reading is one that starts at the strip
    label.<br>
    <br>
    For the <span style="font-weight: bold;">DTP51</span> you should
    feed the strip into the instrument, and the microswitch will trigger
    the read.<br>
    <br>
    For the <span style="font-weight: bold;">DTP41</span> you should
    line the appropriate strip up in the machine, and press its button.<br>
    <br>
    For the <span style="font-weight: bold;">Eye-One Pro</span> you
    should set the guide to the appropriate strip, place the instrument
    <span style="text-decoration: underline;">ahead</span> of the first
    patch on blank paper, and then press and hold the instruments
    button. When you hear a beep from the computer, you can then move
    the instrument steadily over the patches, releasing the button after
    the instrument is past the last patch. Moving the instrument too
    fast or changing speeds may cause a mis-read, or a acquisition with few
    samples read per patch.<br>
    <br>
    For the <span style="font-weight: bold;">ColorMunki</span> with the
    default chart, the patches are the same width as the silver portion
    of body (white version), or the textured portion of the body (black
    version). Place aperture of the the instrument (located at its
    center) in the white space ahead of the first patch, and then press
    and hold the instruments button. When you hear a beep from the
    computer, you can then move the instrument steadily over the
    patches, releasing the button after the instrument is past the last
    patch. Moving the instrument too fast or changing speeds may cause a
    mis-read, or a acquisition with few samples read per patch. For the <span
      style="font-weight: bold;">high density</span> ColorMunki chart (<a
      href="printtarg.html#h">printtarg -h</a>), the patches are
    arranged so that three rows are exactly the width of the&nbsp; body
    of the instrument. If you are careful you can use this to guide the
    center of the instrument over each row, or you may prefer to use
    something like a plastic ruler to help guide the instrument.<br>
    <br>
    Using the <span style="font-weight: bold;">DTP20</span> or the <span
      style="font-weight: bold;">Eye-One Pro</span> or <span
      style="font-weight: bold;">ColorMunki</span> with a randomized
    chart layout, the strip may be acquired from either direction. If a
    randomized chart layout has not been used for the <span
      style="font-weight: bold;">Eye-One Pro</span> or <span
      style="font-weight: bold;">ColorMunki</span>, then the chart
    should only be read in the one direction (use <a
      href="chartread.html#B">chartread -B</a>).<br>
    <br>
    Note that you may have to check that system alert sounds are enabled
    and at a suitable volume to in order to hear the beep prompt. For
    the Eye-One Pro and ColorMunki, a second beep will sound after a
    successfully read strip, or a double beep will sound,&nbsp;
    indicating a failure or warning that needs attention. See also the
    note on Linux in <a href="Installing_Linux.html">installation</a>.<br>
    <br>
    If the strip is read successfully there will be a single "success"
    beep, and the line will be followed with:<br>
    <br>
    &nbsp;&nbsp;&nbsp; Ready to read strip&nbsp; XX&nbsp; : <br>
    &nbsp;&nbsp;&nbsp; Strip read OK<br>
    <br>
    If there is an error of some sort there will be a double "fail"
    beep, and a message will be issued, and you will be asked whether to
    abort the chart reading, or retry the<br>
    failed strip:<br>
    <br>
    &nbsp;&nbsp;&nbsp; Ready to read strip XX&nbsp; : <br>
    &nbsp;&nbsp;&nbsp; Strip read failed due to misread (Not enough
    patches)<br>
    <br>
    &nbsp;&nbsp;&nbsp; Hit Esc to give up, any other key to retry:<br>
    <br>
    If you are unable to successfully read a strip after several
    retries, you can skip that strip using the <span
      style="font-weight: bold;">'n'</span> key, and save<br>
    the chart readings without that strip.<br>
    <br>
    If the strip is read successfully, but the patches values don't seem
    to be what is expected, you will get a double "fail" beep&nbsp; and
    the following type of warning:<br>
    <br>
    &nbsp;&nbsp;&nbsp; Ready to read strip&nbsp; XX&nbsp; :<br>
    &nbsp;&nbsp;&nbsp; (Warning) Seem to have read strip&nbsp; YY&nbsp;
    rather than&nbsp; XX !<br>
    &nbsp;&nbsp;&nbsp; Hit Return to use it anyway, any other key to
    retry, Esc, ^C or Q to give up:<br>
    <br>
    This could be because you have accidentally read the wrong strip (a
    common mistake), or it could be that the device response is so
    different from what is expected that warning is erroneous, or you
    may get a lot of these sorts of warnings if you are accidentally
    reading the wrong chart. You may also get this sort of warning if
    you are not using bi-direction reading (chartread -B), and read the
    strip from the wrong end.<br>
    If you are absolutely sure you lined up the correct strip, then hit
    return, otherwise line the appropriate strip up again, and hit some
    other key (ie. space).<br>
    Erroneous warnings are less likely if a previous profile for a
    device was given to <span style="font-weight: bold;">targen</span>
    to set more accurate expectations.<br>
    <br>
    You may also see the following type of warning:<br>
    <br>
    &nbsp;&nbsp;&nbsp; Ready to read strip&nbsp; XX&nbsp; :<br>
    &nbsp;&nbsp;&nbsp; (Warning) Patch error YY.YYY (&gt;35 not good,
    &gt;95 bad)<br>
    &nbsp;&nbsp; There is at least one patch with an very unexpected
    response!<br>
    &nbsp;&nbsp;&nbsp; Hit Return to use it anyway, any other key to
    retry, Esc, ^C or Q to give up:<br>
    <br>
    Similar to the previous warning, this indicates that while the right
    strip appears to have been read, one of the patch readings is quite
    different to what is expected. This may indicate an error of some
    sort (ie. damaged test chart, or bad instrument positioning), or may
    be erroneous if the actual device response is quite different to the
    expectation. Erroneous warnings are less likely if a previous
    profile for a device was given to <span style="font-weight: bold;">targen</span>
    to set more accurate expectations.<br>
    <br>
    You can also navigate the next strip to be read using the <span
      style="font-weight: bold;">'f'</span> key to move forward and the
    <span style="font-weight: bold;">'b'</span> keys<span
      style="font-weight: bold;"></span><span style="font-weight: bold;"></span>
    to move backwards. The prompt will indicate whether this strip has
    already been read or not, or whether all strips have been read. You
    can also use <span style="font-weight: bold;">'n'</span> to move
    forward to the next unread strip. After each successful reading it
    will move forward to the next unread strip. When you are finished,
    use the <span style="font-weight: bold;">'d'</span> to indicate
    that you are done. You can choose to finish before all the strips
    are read, and the patches that have been read will be saved to the
    .ti3 file. This is useful if you are unable to read a particular
    strip successfully, or if you are unable to finish the chart in one
    session, and you can later <span style="text-decoration:
      underline;">resume</span> reading the chart by using the <span
      style="font-weight: bold;">chartread -r</span> flag. [You could
    resume reading the chart patch by patch using the <span
      style="font-weight: bold;">chartread -r -p</span> if you are
    unable to read a strip successfully.]<br>
    <br>
    When reading in patch by patch mode, there are a few additional
    navigation options, such as <span style="font-weight: bold;"><span
        style="font-weight: bold;">F</span></span> to move forward 10
    patches, <span style="font-weight: bold;">B</span> to move
    backwards 10 patches, and <span style="font-weight: bold;">g</span>
    to go to a specific patch.<br>
    <br>
    You can abort the whole process at any time by hitting Escape, and
    the readings will not be saved.<br>
    <br>
    <hr style="width: 100%; height: 2px;">
    <h3><a name="xy"></a>X-Y Table instruments</h3>
    When you are using an XY table type instrument, such as a Gretag <span
      style="font-weight: bold;">SpectroScan</span>, &nbsp;chartread
    will first establish communications with the instrument, and then
    set it up ready to read the chart. You will be prompted for each
    sheet with a message such as:<br>
    <br>
    &nbsp;&nbsp;&nbsp; Please make sure that the white reference is in
    slot 1, then<br>
    &nbsp;&nbsp;&nbsp; place sheet 1 of 4 on table, then<br>
    &nbsp;&nbsp;&nbsp; hit return to continue, Esc to give up<br>
    <br>
    After hitting return you will be prompted to line up three squares
    on the sheet, one at a time:<br>
    <br>
    &nbsp;&nbsp;&nbsp; Using the XY table controls, locate patch A1 with
    the sight,<br>
    &nbsp;&nbsp;&nbsp; then hit return to continue, Esc to give up<br>
    <br>
    On completing this, the instrument will commence reading each sheet.<br>
    <br>
    <hr style="width: 100%; height: 2px;">
    <h3><a name="spot"></a>Spot reading instruments</h3>
    When used with a <span style="font-weight: bold;">DT22</span> or <span
      style="font-weight: bold;">SpectroLino</span> or use the patch by
    patch reading mode (<span style="font-weight: bold;">chartread -p</span>)
    with the <span style="font-weight: bold;"></span> <span
      style="font-weight: bold;">Eye-One Pro<span style="font-weight:
        bold;"> </span></span>or <span style="font-weight: bold;">ColorMunki</span>
    instrument, or use the external values mode (<span
      style="font-weight: bold;">chartread -x</span>), chartread will
    first establish communications with the instrument, and then set it
    up ready to read the patches. The patches are typically labeled by
    column A to ZZ, and row 1-999. Each patch will prompt:<br>
    <br>
    &nbsp;&nbsp;&nbsp; Ready to read patch 'XX'&nbsp; :<br>
    <br>
    where XX is the patch label, and this is followed by the available
    options to navigate, read the strip, or finish.<br>
    <br>
    Place the instrument on the indicated patch, and trigger a reading
    using one of the available methods (typically using the instrument
    switch of pressing a key).<br>
    <br>
    There should be an audible prompt on a successful or failed reading.
    <br>
    <br>
    Note that you may have to check that system alert sounds are enabled
    and at a suitable volume to in order to hear the beep prompt. For
    the Eye-One Pro and ColorMunki, a second beep will sound after a
    successfully read strip, or a double beep will sound,&nbsp;
    indicating a failure or warning that needs attention. See also the
    note on Linux in <a href="Installing_Linux.html">installation</a>.<br>
    <br>
    If the patch is read successfully, the line will be completed with:<br>
    <br>
    &nbsp;&nbsp;&nbsp; Ready to read patch&nbsp; XX&nbsp; :<br>
    &nbsp;&nbsp;&nbsp; Patch read OK<br>
    <br>
    If there is an error of some sort, a message will be issued, and you
    will be asked whether to abort the chart reading, or retry the<br>
    failed patch:<br>
    <br>
    &nbsp;&nbsp;&nbsp; Ready to read patch XX&nbsp; : read_strip
    returned 'Strip misread' (Bad reading)<br>
    <br>
    &nbsp;&nbsp;&nbsp; Strip read failed due to misread<br>
    &nbsp;&nbsp;&nbsp; Hit Esc to give up, any other key to retry:<br>
    <br>
    You can navigate the next patch to be read using the <span
      style="font-weight: bold;">'f'</span> key to move forward and the
    <span style="font-weight: bold;">'b'</span> keys<span
      style="font-weight: bold;"></span><span style="font-weight: bold;"></span>
    to move backwards, while <span style="font-weight: bold;">'F'</span>
    and <span style="font-weight: bold;">'B'</span> will move forward
    and backwards by 10 patches. The prompt will indicate whether this
    patch has already been read or not, or whether all patches have been
    read. You can also use <span style="font-weight: bold;">'n'</span>
    to move forward to the next unread patch. When you are finished, use
    the <span style="font-weight: bold;">'d'</span> to indicate that
    you are done. You can choose to finish before all the patches are
    read, and they will be saved to the .ti3 file. This is useful if you
    are unable to finish the chart in one session, and you can later <span
      style="text-decoration: underline;">resume</span> reading the
    chart by using the <span style="font-weight: bold;">chartread -r</span>
    flag.<br>
    <br>
    You can abort the whole process at any time by hitting Escape, and
    the readings will not be saved.<br>
    <br>
    <span style="font-weight: bold;"></span>
    <hr style="width: 100%; height: 2px;">
    <h3><a name="displaytype"></a>Display Type<br>
    </h3>
    Many of the colorimeters have a <span style="font-weight: bold;">display

























      type</span> selection parameter. Depending on the instrument, this
    may combine two related functions: 1) Changing the measurement mode
    to suite either refresh-type, or non-refresh displays, and 2)
    Changing the calibration to suite a particular displays spectral
    characteristics.<br>
    <br>
    A refresh type display uses a technology that presents different
    portions of the image at different times, doing so at a high enough
    rate that this is normally imperceptible. This time varying
    characteristic can interfere with measuring a display color unless
    the instrument makes allowances for it, typically by making its
    measurement period a multiple of the display refresh period. Display
    types that <span style="font-weight: bold;">refresh</span> are CRT
    (Cathode Ray Tube), Single chip DLP (Digital Light Processing) and
    Plasma displays. An example of a <span style="font-weight: bold;">non-refresh</span>
    display technology is LCD (Liquid Crystal Display), although is a
    few cases the back-light illumination may have a low enough
    frequency flicker to benefit from the refresh mode.<br>
    <br>
    Instruments in which the display type selection only changes the
    measurement mode (i.e. i1d3), will typically have some other
    independent option to set the calibration type. Simpler instruments
    combine the measurement mode with a calibration selections,
    typically refresh+CRT and non-refresh+LCD. Some instruments are a
    hybrid of both (Spyder4), where the display type can select between
    generic refresh/non-refresh that can then use a .CCSS to set the
    calibration type, or a combined selection of non-refresh and a
    particular display type.<br>
    <br>
    See <a
      href="http://en.wikipedia.org/wiki/Comparison_of_display_technology">Comparison_of_display_technology</a>
    for some background on different display technologies.<br>
    <br>
    <hr size="2" width="100%"><br>
    <h3><a name="refreshmeasurement"></a>Refresh Rate Measurement</h3>
    <p>Most of the colorimeters that have a refresh display type
      selection, also have an ability to measure the refresh rate of a
      display. Some of the spectrometers also have a display refresh
      rate measurement capability when in an emissive measurement mode,
      even though they don't use this to support a refresh display mode.
      You can do a display refresh rate measurement in <a
        href="spotread.html">spotread</a> using the <b>'F' </b>key.
      The particular instruments have a range of accuracy when making
      this measurement. A rough guide is as follows:<br>
      <br>
    </p>
    <table border="1" cellpadding="2" cellspacing="2" height="230"
      width="372">
      <tbody>
        <tr>
          <td valign="top"><b>Instrument</b></td>
          <td valign="top"><b>Typical error in Hz.</b></td>
        </tr>
        <tr>
          <td valign="top">spectrobos 1211/1201<br>
          </td>
          <td valign="top">0.05<br>
          </td>
        </tr>
        <tr>
          <td valign="top">DTP92<br>
          </td>
          <td valign="top">0.1<br>
          </td>
        </tr>
        <tr>
          <td valign="top">i1 Display 2<br>
          </td>
          <td valign="top">0.5<br>
          </td>
        </tr>
        <tr>
          <td valign="top">Spyder 2<br>
          </td>
          <td valign="top">0.7<br>
          </td>
        </tr>
        <tr>
          <td valign="top">Spyder 3<br>
          </td>
          <td valign="top">3<br>
          </td>
        </tr>
        <tr>
          <td valign="top">Spyder 4<br>
          </td>
          <td valign="top">3<br>
          </td>
        </tr>
        <tr>
          <td valign="top">i1 Display Pro<br>
          </td>
          <td valign="top">0.05<br>
          </td>
        </tr>
        <tr>
          <td valign="top">i1 Pro Spectro.<br>
          </td>
          <td valign="top">0.05<br>
          </td>
        </tr>
        <tr>
          <td valign="top">ColorMunki Spectro.<br>
          </td>
          <td valign="top">0.05<br>
          </td>
        </tr>
      </tbody>
    </table>
    <p><br>
    </p>
    <hr size="2" width="100%">
    <p><span style="font-weight: bold;"><a name="specbos"></a><span
          style="font-weight: bold;">specbos 1211 and 1201
          Tele-Spectro-Radiometer<br>
        </span></span></p>
    <img alt="JETI specbos 1211" src="JETI_1211.jpg" height="210"
      width="211">
    <p><span style="font-weight: bold;"><br>
      </span><span style="font-weight: bold;">Availability:<br>
        <br>
      </span>The <span style="font-weight: bold;">specbos 1211</span><span
        style="font-weight: bold;"> </span>and <b>1201</b>from <a
        href="http://www.jeti.com/">JETI</a>&nbsp; are currently
      available instruments. These are reference grade instruments
      capable of emissive and ambient measurements, and are often used
      for monitor, projector and cinema calibration and
      characterization, amongst many other uses.<br>
    </p>
    <hr size="2" width="100%">
    <p><br>
    </p>
    <span style="font-weight: bold;"></span><br>
    <span style="font-weight: bold;"><a name="ColorMunki"></a><span
        style="font-weight: bold;">ColorMunki </span>Design or Photo <span
        style="font-weight: bold;">reflective/emissive spectrometer</span><br>
      <br>
      <img style="width: 272px; height: 243px;" alt="" title="ColorMunki
        (White)" src="ColorMunki.jpg">&nbsp;&nbsp; <br>
      <br>
    </span><span style="font-weight: bold;">Availability:<br>
      <br>
    </span>The <span style="font-weight: bold;">ColorMunki</span> <span
      style="font-weight: bold;">Design or Photo </span>from <a
      href="http://www.xrite.com/">X-Rite</a>&nbsp; is currently
    available in two different packages from the manufacturer. These
    packages differ in what features the manufacturers software
    provides, as well as cosmetic differences between the instrument
    (white and black). This comparison <a
      href="http://www.colormunki.com/product/show?page=2">chart</a>
    illustrates the differences. Used with Argyll, there are no
    differences in operation of a ColorMunki instrument, irrespective of
    which package it came with. The ColorMunki Design has the lowest
    RRP, but the Photo package may be cheaper with discounting .<br>
    <br>
    <span style="font-weight: bold;">Limitations &amp; Features:</span><br>
    <br>
    Unlike the Eye-One Pro, the ColorMunki is only available in a U.V.
    Cut (ie. "Ultra Violet filtered") model. This means that it is not
    suitable for use with the&nbsp; Fluorescent Whitener Additive
    Compensation option in Argyll (see <a href="FWA.html">here</a> for
    a discussion about what FWA compensation is).<br>
    <br>
    Like the Eye-One Pro, this instrument does support the <a
      href="spotread.html#H">high resolution</a> spectral mode.<br>
    <br>
    <span style="font-weight: bold;">OS X and X-Rite drivers</span><br>
    <br>
    Please note the installation <a
      href="Installing_OSX.html#ColorMunki">instructions</a>.<br>
    <br>
    <span style="font-weight: bold;">Tips &amp; Tricks:<br>
      <br>
    </span>In handling the instrument when about to make a reading, be
    very careful not to accidentally press the switch - it is large and
    easily pressed by accident. A guide of some sort (ie. a plastic
    ruler) can help a lot in&nbsp; keeping the instrument over a line
    of&nbsp; patches. <br>
    <br>
    <span style="font-weight: bold;">Patch recognition:</span><br>
    <br>
    For the best chances of good patch recognition, the instrument
    should be drawn smoothly and not too rapidly over the strip. (This
    can be a little tricky due to the two small rubber feet on the
    bottom of the device that aid its spot reading guide.) If there is a
    misread, try slowing down slightly. Generally a higher quality set
    of readings will result if slower scans are used, since there will
    then be more samples averaged for each patch. <br>
    <br>
    In <a href="chartread.html">chartread</a>, the -<span
      style="font-weight: bold;">T ratio</span> argument modifies the
    patch consistency tolerance threshold for the ColorMunki. In
    recognizing patches in a strip, the instrument takes multiple
    readings as the strip is read, and then divide the readings up into
    each patch. It then check the consistency of the multiple readings
    corresponding to each patch, and reject the measurement if they are
    too inconsistent. For some media (ie. a coarser screens, fabric
    etc.) the default tolerance may be unreasonably tight, so the <span
      style="font-weight: bold;">-T ratio</span> argument can be used to
    modify this criteria. To loosen the tolerance, use a number greater
    than 1.0 (ie. 1.5, 2.0). <br>
    <br>
    Note that <a href="printtarg.html">printtarg</a> provides the <a
      href="printtarg.html#h">-h</a> option that allows the choice of
    two different patch row widths with ColorMunki test charts. [Some
    people have successfully used the i1Pro patch layout with the
    ColorMunki, by making a guide to keep it over the much narrower
    patchs.]<br>
    <br>
    <span style="font-weight: bold;"></span><br>
    <span style="font-weight: bold;"><span style="font-weight: bold;"></span></span><span
      style="font-weight: bold;"></span><br>
    <span style="font-weight: bold;"><span style="font-weight: bold;"></span></span>
    <hr style="width: 100%; height: 2px;"><span style="font-weight:
      bold;"><br>
      <a name="DTP20"></a></span><span style="font-weight: bold;">DTP20
      "Pulse" reflective spectrometer<br>
      <br>
    </span><span style="font-weight: bold;"><img title="DTP20" alt=""
        src="DTP20.jpg" style="width: 304px; height: 210px;"><br>
      <br>
    </span><span style="font-weight: bold;">Availability:<br>
      <br>
    </span>The <span style="font-weight: bold;">DTP20</span> from <a
      href="http://www.xrite.com/">X-Rite</a> was discontinued during
    2007, but may still be available from old stock or second hand. <br>
    <br>
    <span style="font-weight: bold;">Special features:</span><br>
    <br>
    The <span style="font-weight: bold;">DTP20</span> has a couple of
    unique features that Argyll can take advantage of. One is that it
    can operate un-tethered (off line). A whole chart can be read
    un-tethered by first clearing any previous readings in the
    instrument, then reading the chart TID strip, before reading all the
    other strips. The instrument can then be connected up to <span
      style="font-weight: bold;">chartread</span>, which will recognize
    the chart, and download all the measurements.<br>
    If there is no chart in the instrument when chartread connects to
    it, then it will use the strip by strip tethered mode, just like the
    other strip instruments. If the right number of spot readings are
    present in the instrument, these will be used by <span
      style="font-weight: bold;">chartread</span> too.<br>
    <br>
    Un-tethered spot measurements can also be read in using&nbsp; <span
      style="font-weight: bold;">spotread</span>, which will notice the
    stored readings, and offer to print them out, or they can be
    ignored, and tethered readings taken. This will clear any saved spot
    readings.<br>
    <br>
    <span style="font-weight: bold;">Note</span> that tethered (on-line)
    strip reading will only work if the firmware in the device is
    version 1.03 or greater. You can check the firmware version by
    running with the verbose option: <span style="font-weight: bold;">-v<br>
      <br>
      Chart printing:<br>
      <span style="font-weight: bold;"><br>
      </span></span>Because the DTP20 measures exact distances using the
    markings on its ruler, it's critical that the chart be printed out
    exactly the right size. If the chart gets re-sized at all in the
    process of printing it, the DTP20 is likely to fail in reading it.
    If you have a problem with this, you might want to increase the page
    margins using the <span style="font-weight: bold;">printtarg -m</span>
    parameter, or find a printing path that preserves the test chart
    size correctly.<br>
    <br>
    <span style="font-weight: bold;"><span style="font-weight: bold;"></span></span><span
      style="font-weight: bold;">Operation:<br>
      <br>
    </span>When reading in tethered (on-line) mode, that the instrument
    takes <span style="font-weight: bold;">several seconds</span> to
    download the measurements after each strip, and that the indicator
    will be in "rainbow" mode while this occurs. <span
      style="text-decoration: underline;">Wait</span> until the
    indicator turns solid green again before starting to measure the
    next strip.<br>
    <br>
    To <span style="font-weight: bold;">reset</span> the instrument and
    clear any stored readings: press the button three times in quick
    succession. The indicator will turn solid blue. Then hold the button
    down until the instrument beeps and the indicator goes out. Release
    the button and the indicator should flash then return to solid green
    (ready).<br>
    <br>
    To <span style="font-weight: bold;">calibrate</span> the
    instrument, place it on its calibration tile, then press the button
    three times in quick succession.The indicator will turn solid blue.
    Click the button another three times in quick succession, and the
    indicator should turn yellow. Then hold the button down until the
    instrument beeps and the indicator goes out. Release the button and
    the instrument should flash and then turn solid green.<br>
    <br>
    If the chart is particularly <span style="font-weight: bold;">small</span>,
    the patches may end up printed very close to the edge of the chart,
    and therefore it may be difficult to confine your acquisition to the chart,
    and passing<br>
    the instrument over the edge of the chart may prevent it reading
    successfully. One way of working around this is to place the chart
    on a larger piece of paper of the same type.<br>
    <br>
    The <span style="font-weight: bold;">speed</span> of acquisition can be
    quite critical with this instrument. In particular, it doesn't work
    very well if the acquisition is too <span style="font-weight: bold;">slow</span>.
    You don't want to go too fast either, as this reduces the number of
    samples per patch.<br>
    <br>
    <span style="font-weight: bold;"><span style="font-weight: bold;"></span></span><span
      style="font-weight: bold;"></span><br>
    <span style="font-weight: bold;"><span style="font-weight: bold;"></span></span>
    <hr style="width: 100%; height: 2px;"><span style="font-weight:
      bold;"><br>
      <a name="DTP22"></a></span><span style="font-weight: bold;">DTP22
      Digital Swatchbook reflective spectrometer</span><br>
    <span style="font-weight: bold;"><br>
      <img alt="" src="DTP22.jpg" style="width: 222px; height: 193px;"><br>
      <br>
    </span><span style="font-weight: bold;">Availability:<br>
      <br>
    </span>The <span style="font-weight: bold;">DTP22</span> from <a
      href="http://www.xrite.com/">X-Rite</a> is a discontinued
    instrument.&nbsp; It may still be available second hand. It is
    capable of reading colored patches one at a time.<br>
    <br>
    <br>
    <span style="font-weight: bold;"><span style="font-weight: bold;"></span></span>
    <hr style="width: 100%; height: 2px;"><span style="font-weight:
      bold;"><br>
      <a name="DTP41"></a>DTP41 reflective, DTP41T
      reflective/transmissive spectrometers<br>
      <br>
      <img alt="" src="DTP41.jpg" style="width: 263px; height: 298px;"><br>
      <br>
    </span><span style="font-weight: bold;">Availability:<br>
      <br>
    </span>The <span style="font-weight: bold;">DTP41</span> and <span
      style="font-weight: bold;">DTP41T</span> from <a
      href="http://www.xrite.com/">X-Rite</a> is a discontinued
    instrument.&nbsp; It may still be available second hand. <br>
    <br>
    The series II instruments (<span style="font-weight: bold;">DTP41B</span>
    and <span style="font-weight: bold;">DTP41TB</span>) offer both
    serial and USB connection. Note that currently only serial operation
    using Argyll is possible with these instruments.<br>
    <br>
    <hr style="width: 100%; height: 2px;"><br>
    <a name="dtp51"></a><span style="font-weight: bold;">DTP51
      reflective colorimeter<br>
      <br>
      <img alt="" src="DTP51.jpg" style="width: 263px; height: 223px;"><br>
      <br>
    </span><span style="font-weight: bold;">Availability:<br>
      <br>
    </span>The <span style="font-weight: bold;">DTP51</span> from <a
      href="http://www.xrite.com/">X-Rite</a> is a discontinued
    instrument.&nbsp; It may still be available second hand. <br>
    <br>
    <span style="font-weight: bold;">Operation:</span><br>
    <span style="font-weight: bold;"><span style="font-weight: bold;"><br>
      </span></span>The DTP51's switch is triggered by inserting a strip
    into the slot.<br>
    <br>
    <br>
    <span style="font-weight: bold;"><span style="font-weight: bold;"></span></span>
    <hr style="width: 100%; height: 2px;"><span style="font-weight:
      bold;"><br>
      <a name="DTP92"></a>DTP92 CRT display colorimeter<br>
      <br>
      <img alt="" src="DTP92.jpg" style="width: 223px; height: 180px;"><br>
      <br>
    </span><span style="font-weight: bold;">Availability:<br>
      <br>
    </span>The <span style="font-weight: bold;">DTP92</span><span
      style="font-weight: bold;"></span> from <a
      href="http://www.xrite.com/">X-Rite</a> is a discontinued
    instrument.&nbsp; It may still be available second hand. It will
    only read CRT technology displays.<br>
    <br>
    <span style="font-weight: bold;">Operation:</span><br>
    <br>
    The Display Selections for this instrument are:<br>
    <br>
    &nbsp;&nbsp;&nbsp; <span style="font-weight: bold;">c</span>&nbsp;&nbsp;&nbsp;






























    CRT display&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp; A Cathode Ray
    Tube display, that is of the Refresh type [Default, CB2].<br>
    <br>
    <hr style="width: 100%; height: 2px;"><br>
    <span style="font-weight: bold;"><a name="DTP94"></a>DTP94, </span><font
      size="-1">"Optix XR"</font> or "Optix XR2" or "Optix Pro" <span
      style="font-weight: bold;">display colorimetrers</span><br>
    <span style="font-weight: bold;"><br>
      <img title="DTP94" alt="" src="DTP94.jpg" style="width: 138px;
        height: 171px;"> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
      &nbsp; &nbsp; <img alt="" title="Optix XR/Pro" src="moxxr.jpg"
        style="width: 155px; height: 190px;"><br>
      <br>
    </span><span style="font-weight: bold;">Availability:<br>
      <br>
    </span>The <span style="font-weight: bold;">DTP94 </span>from <a
      href="http://www.xrite.com/">X-Rite</a> is a discontinued
    instrument, although it is still being supplied to OEMs.&nbsp; It
    may still be available as old stock, or second hand. It was sold as
    an instrument without software as the DTP94, and packaged with
    software from the manufacturer as the "Optix XR" range.<br>
    <br>
    <span style="font-weight: bold;">Operation:</span><br>
    <br>
    The Display Selections for this instrument are:<br>
    <br>
    &nbsp;&nbsp;&nbsp; <span style="font-weight: bold;">l</span>&nbsp;&nbsp;&nbsp;&nbsp;

























    LCD display&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp; A Liquid
    Crystal Display, that is of the Non-Refresh type [default, CB1].<br>
    &nbsp;&nbsp;&nbsp; <span style="font-weight: bold;">c</span>&nbsp;&nbsp;&nbsp;






























    CRT display&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp; A Cathode Ray
    Tube display, that is of the Refresh type [CB2].<br>
    &nbsp;&nbsp;&nbsp; <b>g</b>&nbsp;&nbsp;&nbsp;
    Generic&nbsp;&nbsp;&nbsp;
    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Generic
    display [CB3]<br>
    &nbsp;&nbsp; <br>
    <br>
    <span style="font-weight: bold;"></span>
    <hr style="width: 100%; height: 2px;"><span style="font-weight:
      bold;"><br>
      <a name="sl"></a>Spectrolino reflective/emissive spectrometer<br>
      <br>
      <img alt="" src="sl.jpg" style="width: 239px; height: 200px;"><br>
      <br>
    </span><span style="font-weight: bold;">Availability:<br>
      <br>
    </span>The <span style="font-weight: bold;">Spectrolino </span>from
Gretag






























    MacBeth (Now X-Rite) is a discontinued instrument. It is often
    available second hand. If buying it second hand, make sure it comes
    with all it's accessories, including white reference, spot reading
    adapter, display reading adapters, filters (UV, polarizing, D65),
    serial cable adapter and power supply.<br>
    <span style="font-weight: bold;"><br>
    </span>
    <hr style="width: 100%; height: 2px;"><span style="font-weight:
      bold;"><br>
      <a name="ss"></a>SpectroScan reflective/emissive and SpectroScanT
      reflective/emissive/transmissive spectrometers<br>
      <br>
      <img style="width: 336px; height: 294px;" alt="" src="ss.jpg"><br>
      <br>
    </span><span style="font-weight: bold;">Availability:<br>
      <br>
    </span>The <span style="font-weight: bold;">SpectroScan</span> and
    <span style="font-weight: bold;">SpectroScanT</span> from Gretag
    MacBeth (Now X-Rite) is a discontinued instrument. It is the
    combination of an X-Y table and the <span style="font-weight:
      bold;">Spectrolino</span> instrument. The <span
      style="font-weight: bold;">SpectroScanT</span> is capable of
    measuring transparency. It is often available second hand. If buying
    it second hand, make sure it comes with all it's accessories,
    including white reference, spot reading adapter, display reading
    adapters, filters (UV, polarizing, D65) and power supply.<br>
    <br>
    If measuring transparencies using a SpectroScanT, the <b>Enter</b>
    key on the instrument may be used to trigger each reading. It will
    be recognized after each previous reading has been completed.<br>
    <br>
    <hr style="width: 100%; height: 2px;"><br>
    <br>
    <span style="font-weight: bold;"><a name="i1p2"></a>Eye-One Pro2:</span><br>
    <img style=" width: 357px; height: 234px;" alt="Eye-One Pro 2"
      src="i1pro2.jpg"><br>
    <br>
    There is support for some of the new features of the Eye-One Pro2
    (also known as the Eye-One Pro Rev E), in particular the&nbsp; Rev E
    measurement mode, spectrometer stray light reduction, wavelength
    calibration, and improved black level tracking. This new support can
    be disabled and an Eye-One Pro2 operated in legacy mode by setting
    the environment variable ARGYLL_DISABLE_I1PRO2_DRIVER. See <a
      href="file:///D:/src/argyll/doc/instruments.html#i1p">Eye-One Pro
      reflective/emissive spectrometer</a><span style="font-weight:
      bold;"> </span>below for details on the operation of this type of
    instrument.<br>
    <br>
    <hr style="width: 100%; height: 2px;"><br>
    <span style="font-weight: bold;"><a name="i1p"></a>Eye-One Pro and
      Eye-One Pro2 reflective/emissive spectrometer<br>
      <br>
      <img alt="" src="i1p.jpg" style="width: 347px; height: 234px;"><br>
      <br>
    </span><span style="font-weight: bold;">Availability:<br>
      <br>
    </span>The <span style="font-weight: bold;">Eye-One Pro</span> from
    <a href="http://www.xrite.com/">X-Rite</a> (was Gretag MacBeth) is
    available in two packages from the manufacturer. These packages
    differ partly in what accessories come with the instrument, but
    primarily in what features the manufacturers software provides. This
    comparison <a
      href="http://www.xrite.com/product_overview.aspx?ID=812">chart</a>
    illustrates the differences. Used with Argyll, there are no
    differences in operation of an Eye-One Pro instrument, irrespective
    of which package it came with. The lowest cost package is the <a
      href="http://www.xrite.com/product_overview.aspx?ID=1461">i1 Basic
      Pro</a>.<br>
    <br>
    The EFI ES-1000 (which is a re-badged Eye-One Pro) is also reported
    to work with Argyll.<br>
    <br>
    Unless you know what you're doing, and have a very specific reason
    to buy an instrument fitted with a UV (Ultra Violet) filter, make
    sure that you buy an instrument without the filter. A UV filtered
    instrument can't deal intelligently with FWA (Fluorescent Whitener
    Additive) effects in paper. (Look <a href="FWA.html">here</a> for
    more information about FWA compensation.) Using FWA compensation you
    can make measurements using ISO 13655:2009 M0, M1 and M2 conditions.
    The M2 condition emulates a UV cut instrument.<br>
    <br>
    There have been four revisions of the Eye-One Pro, Rev. A, B, D and
    E (AKA Eye-One Pro2). The rev B, D and E are capable of sampling
    twice as fast as the Rev. A version of the instrument, and are also
    available with an ambient light reading capability.<br>
    <br>
    <span style="font-weight: bold;">NOTE</span> for those running on
    older versions of Linux with a Rev. D, there was a problem with the
    Linux USB stack that causes the instrument to stop working once it
    has been used. The only workaround is to unplug and replug the
    instrument in again, whereupon it can be used one time again. A fix
    for this problem was in the&nbsp; Linux 2.6.26 kernel release.<br>
    <br>
    See also <a href="i1proDriver.html">How can I have confidence in
      the i1pro Driver ?</a><br>
    <br>
    <span style="font-weight: bold;">Patch recognition:</span><br>
    <br>
    For the best chances of good patch recognition, the instrument
    should be drawn smoothly and not too rapidly over the strip. If
    there is a misread, try slowing down slightly. The Rev A and B.
    instruments have a slower sampling rate than the latter revision
    instruments, and hence must be used a bit more slowly. Generally a
    higher quality set of readings will result if slower scans are used,
    since there will then be more samples averaged for each patch.<br>
    <br>
    In <a href="chartread.html">chartread</a>, the -<span
      style="font-weight: bold;">T ratio</span> argument modifies the
    patch consistency tolerance threshold for the Eye-One Pro. In
    recognizing patches in a strip, the instrument takes multiple
    readings as the strip is read, and then divide the readings up into
    each patch. It then check the consistency of the multiple readings
    corresponding to each patch, and reject the measurement if they are
    too inconsistent. For some media (ie. a coarser screens, fabric
    etc.) the default tolerance may be unreasonably tight, so the <span
      style="font-weight: bold;">-T ratio</span> argument can be used to
    modify this criteria. To loosen the tolerance, use a number greater
    than 1.0 (ie. 1.5, 2.0). <span style="font-weight: bold;"></span><br>
    <br>
    <span style="font-weight: bold;">Special features:</span><br>
    <br>
    A feature unique to Argyll when used with the Eye-One Pro, is the
    high resolution spectral mode. This returns spectral measurements at
    3.333 nm spacing, rather than the default 10nm spacing, and also
    extends the range of wavelengths very slightly. This high resolution
    may assist in giving better accuracy for "peaky" emissive sources
    such as illuminants and displays. The high resolution mode is
    selected by using the <span style="font-weight: bold;">-H</span>
    flag on the command line to <span style="font-weight: bold;">dispcal</span>,
    <span style="font-weight: bold;">dispread</span>, <span
      style="font-weight: bold;">chartread</span>, and <span
      style="font-weight: bold;">spotread</span>. It can also be toggled
    on and off within <span style="font-weight: bold;">spotread</span>
    using the <span style="font-weight: bold;">h</span> key. The
    extended range down to 350nm may give some information about an
    illuminants ultra violet content, although the accuracy of the
    readings between 350-380, and 730-740nm should not be relied upon.<br>
    <br>
    Note that while finer spectral resolution will worsen the signal to
    noise ratio of the individual spectral values, the signal to noise
    ratio of the resulting tri-stimulus color values will be identical
    to normal resolution mode, since the same overall integration is
    performed. <br>
    <br>
    See <a href="i1proHires.html">Does the i1pro High Resolution mode
      improve accuracy ?</a><br>
    <br>
    <img alt="High res. and standard res. spectrum."
      src="Fluorescent.jpg" style="width: 750px; height: 375px;"><br>
    <br>
    <img alt="C.R.T high res. and standard res. spectrum."
      src="CRTspectrum.jpg" style="width: 750px; height: 375px;"><br>
    <br>
    <hr style="width: 100%; height: 2px;"><br>
    <span style="font-weight: bold;"><a name="i1m"></a>Eye-One Monitor
      emissive spectrometer<br>
      <br>
      <img alt="" src="i1m.jpg" style="width: 347px; height: 234px;"><br>
      <br>
    </span><span style="font-weight: bold;">Availability:<br>
      <br>
    </span>The <span style="font-weight: bold;">Eye-One Monitor</span>
    from <a href="http://www.xrite.com/">X-Rite</a> (was Gretag
    MacBeth) is a discontinued instrument. It was a lower cost version
    of the <span style="font-weight: bold;">Eye-One Pro</span> without
    reflective measurement capability. See <a href="#i1p">Eye-One Pro
      reflective/emissive spectrometer</a><span style="font-weight:
      bold;"> </span>for details on the operation of this instrument.<br>
    <br>
    <br>
    <hr style="width: 100%; height: 2px;"><br>
    <span style="font-weight: bold;"><a name="i1d"></a>Eye-One Display
      1, Eye-One Display 2, Eye-One Display LT, ColorMunki Create,
      ColorMunki Smile colorimeters,<br>
      <br>
      <img style=" width: 124px; height: 168px;" alt="ColorMunki Smile"
        src="Smile.jpg"><img alt="Eye-One Display 2" src="i1d.jpg"
        style="width: 145px; height: 168px;"> <img style="width: 133px;
        height: 168px;" alt="ColorMunki Create"
        src="ColorMunkiCreate.jpg"><br>
      <br>
      Instrument Availability:<br>
      <br>
    </span>The <span style="font-weight: bold;">ColorMunki Smile</span>
    colorimeter is a currently available instrument.<br>
    The <span style="font-weight: bold;">Eye-One Display LT</span> and
    <span style="font-weight: bold;">Eye-One Display 2</span> are
    discontinued products, although they may still be available from
    some retailers, second hand, and may still be shipped with some
    displays as part of their calibration capability.<br>
    The <span style="font-weight: bold;">ColorMunki Create</span>
    colorimeter is a discontinued product, although they may still be
    available from some retailers or second hand,can also be used. They
    will appear as an i1Display2 colorimeter.<br>
    The <span style="font-weight: bold;">HP DreamColor</span>
    colorimeter can also be used, and will appear as an i1Display2
    colorimeter [note that it is calibrated for the DreamColor display].<br>
    The <span style="font-weight: bold;">HP APS</span> (Advanced
    Profiling Solution) colorimeter is also reported to work, and will
    appear as an i1Display2.<br>
    The <span style="font-weight: bold;">CalMAN X2</span> colorimeter
    is also reported to work, and will appear as an i1Display2
    colorimeter.<br>
    The&nbsp; <span style="font-weight: bold;">Lacie Blue Eye</span> <span
      style="font-weight: bold;"></span> colorimeter is also reported to
    work, and will appear as an i1Display2 colorimeter.<br>
    <br>
    <span style="font-weight: bold;"></span>The <span
      style="font-weight: bold;">Eye-One Display 1</span> is a
    discontinued instrument. <br>
    <br>
    The Eye-One Display LT came with a less expensive<span
      style="text-decoration: underline;"></span> package with more
    limited software from the manufacture.<br>
    The Eye-One Display 2 package came with more software
    features,&nbsp; but the instruments are virtually identical, and
    will operate identically using Argyll.<br>
    The ColorMunki Create<span style="text-decoration: underline;"></span>
    package is another alternative, and will operate identically using
    Argyll.<br>
    <br>
    <span style="font-weight: bold;">Operation:</span><br>
    <br>
    The Display Selections for the <span style="font-weight: bold;">ColorMunki















      Smile</span> are:<br>
    <br>
    &nbsp;&nbsp;&nbsp; <span style="font-weight: bold;">f</span>
    &nbsp;&nbsp; LCD with CCFL back-light&nbsp;&nbsp;&nbsp;
    &nbsp;&nbsp;&nbsp;&nbsp; A Liquid Crystal display that uses a Cold
    Cathode Fluorescent back lighting. [Default, CB1]<br>
    &nbsp;&nbsp;&nbsp; <span style="font-weight: bold;">e</span>&nbsp;&nbsp;&nbsp;













    LCD with LED back-light&nbsp;&nbsp;&nbsp;
    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; A Liquid Crystal display that uses
    Light Emitting Diode back lighting.<br>
    <br>
    other instruments will offer:<br>
    <br>
    &nbsp;&nbsp;&nbsp; <span style="font-weight: bold;">l</span>&nbsp;&nbsp;&nbsp;&nbsp;






























    LCD display&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp; A Liquid
    Crystal Display, that is of the Non-Refresh type. [Default, CB1]<br>
    &nbsp;&nbsp;&nbsp; <span style="font-weight: bold;">c</span>&nbsp;&nbsp;&nbsp;






























    CRT display&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; A
    Cathode Ray Tube display, that is of the Refresh type. [CB2]<br>
    <br>
    <br>
    <hr style="width: 100%; height: 2px;"><br>
    <span style="font-weight: bold;"><a name="i1d3"></a></span>&nbsp; <span
      style="font-weight: bold;">i1 DisplayPro and ColorMunki Display<span
        style="font-weight: bold;"> colorimeters (i1 Display 3)</span><br>
      <br>
      <img alt="i1 Display Pro" src="i1d3_1.jpg" style="width: 194px;
        height: 223px;"> <img style="width: 176px; height: 222px;"
        alt="ColorMunki Display" src="i1d3_2.jpg"><br>
      <br>
      Instrument Availability:<br>
      <br>
    </span>Both instruments are currently available..<br>
    <br>
    The ColorMunki Display is a less expensive <a
href="http://xritephoto.com/ph_product_overview.aspx?id=1513&amp;catid=149">package</a>
    with more limited software from the manufacture, and takes a
    noticeably longer time to make most measurements (a minimum of 1
    second), but both instruments will take longer for very dark
    samples, and under these conditions the speed difference is less
    significant.<br>
    <br>
    The i1Display Pro <a
href="http://xritephoto.com/ph_product_overview.aspx?id=1454&amp;catid=109">package</a>
    comes with i1Profiler, and the instrument is generally faster than
    the ColorMunki Display, but other than this and the software
    package, the instruments appear to be virtually identical. (Note
    though that the ColorMunki Display is <u>unable</u> to measure the
    refresh period, so is less repeatable in this mode than the
    i1Display Pro).<br>
    <br>
    Both instruments are capable of using CCSS (<a
      href="File_Formats.html#ccss">Colorimeter Calibration Spectral
      Sample</a>) files, and this also gives the instrument the
    capability of using a non-default standard observer. CCSS files can
    be created using the <a href="ccxxmake.html">ccxxmake</a> tool, and
    installed or translated from the .EDR files that are provided with
    the instrument CD using the <a href="oeminst.html">oeminst</a>
    utility using a spectrometer as a reference.<br>
    <br>
    There are some OEM versions of this instrument around too, and the <a
      href="http://www.spectracal.com/">SpectraCal OEM i1Display</a>, <a
      href="http://www.chromapure.com/">ChromaPure</a>, <a
      href="http://www.necdisplay.com/p/sensors/mdsvsensor3">NEC
      SpectraSensor Pro</a> and <a
href="http://www8.hp.com/us/en/products/oas/product-detail.html?oid=5225568">HP



      DreamColor</a> instruments are also reported to work. They will
    appear as a be a the same as the i1Display Pro.<br>
    <span style="font-weight: bold;">[Note</span> that if you have an
    OEM version of this instrument, it's worth checking if they come
    with any extra .edr files, that can then be translated for use with
    ArgyllCMS using <a href="oeminst.html">oeminst</a>.]<br>
    <br>
    On MSWindows, if you have installed the Manufacturers applications,
    you may have to shut the i1Profiler tray application down before
    Argyll can open the instrument.<br>
    <br>
    <span style="font-weight: bold;">Operation:</span><br>
    <br>
    The Display Selections for this instrument are:<br>
    <br>
    &nbsp;&nbsp;&nbsp; <span style="font-weight: bold;">n</span><span
      style="font-weight: bold;"></span>&nbsp;&nbsp;&nbsp;&nbsp; A
    non-refresh type display [Default, CB1].<br>
    &nbsp;&nbsp;&nbsp; <span style="font-weight: bold;">r</span>
    &nbsp;&nbsp;&nbsp; A refresh type display&nbsp; - The refresh period
    is measured, and the integration time adjusted appropriately. [CB2]<br>
    <br>
    With the manufacturers .edr files &amp; reference Argyll .ccss files
    installed, the following selections are:<br>
    <br>
    &nbsp;&nbsp;&nbsp; <span style="font-weight: bold;">n</span><span
      style="font-weight: bold;"></span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; A
    non-refresh type display [Default, CB1].<br>
    &nbsp;&nbsp;&nbsp; <span style="font-weight: bold;">r</span>
    &nbsp;&nbsp;&nbsp;&nbsp; A refresh type display&nbsp; - The refresh
    period is measured, and the integration time adjusted appropriately.
    [CB2]<br>
    &nbsp;&nbsp;&nbsp; <b>c</b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; CRT
    (Hitachi CM2112MET, Diamond View 1772ie)<br>
    &nbsp;&nbsp;&nbsp; <b>l</b> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; LCD CCFL
    IPS (CCFL AC EIZO HP with CORRECTION)<br>
    &nbsp;&nbsp;&nbsp; <b>L</b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; LCD CCFL
    Wide Gamut IPS (WG CCFL NEC241 271)<br>
    &nbsp;&nbsp;&nbsp; <b>b&nbsp;</b>&nbsp;&nbsp;&nbsp;&nbsp; LCD RGB
    LED IPS (RGBLED HP SOYO)<br>
    &nbsp;&nbsp;&nbsp; <b>e</b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; LCD White
    LED IPS (WLED AC LG Samsung)<br>
    &nbsp;&nbsp;&nbsp; <b>p</b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Projector
    (Marantz HP Panasonic Projectors Hybrid EDR)<br>
    <br>
    <b>Note when measuring CRT displays:<br>
    </b><br>
    The small magnet in the ambient light cover used to signal what
    position it is in, can interfere in the operation of the CRT
    display, particularly if the ambient cover is in it's natural
    position at 180 degrees away from the measuring lens. One way of
    minimizing this is to swing the cover down so that it touches the
    display adjacent to the lens, thereby moving the magnet away from
    the display surface. A more thorough but inconvenient way of
    avoiding this problem is to unclip the ambient light cover and slide
    it down the cable.<br>
    <br>
    <hr style="width: 100%; height: 2px;"><br>
    <span style="font-weight: bold;"><a name="Huey"></a>Huey colorimeter<br>
      <br>
      <img alt="" src="Huey.jpg" style="width: 128px; height: 202px;"><br>
      <br>
      Availability:<br>
      <br>
    </span>The <span style="font-weight: bold;">Huey </span>is widely
    available under the <a href="http://www.pantone.com/">Pantone</a>
    name as well as the manufacturer, <a href="http://www.xrite.com/">X-Rite</a>.
    There lower cost Huey is now discontinued, while the <a
href="http://www.pantone.com/pages/products/product.aspx?pid=562&amp;ca=2">Huey






























      Pro</a> is still available.<br>
    <span style="font-weight: bold;"></span><br>
    <span style="font-weight: bold;">Operation:</span><br>
    <br>
    The Display Selections for this instrument are:<br>
    <br>
    &nbsp;&nbsp;&nbsp; <span style="font-weight: bold;">l</span>&nbsp;&nbsp;&nbsp;&nbsp;






























    LCD display&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp; A Liquid
    Crystal Display, that is of the Non-Refresh type. [Default, CB1]<br>
    &nbsp;&nbsp;&nbsp; <span style="font-weight: bold;">c</span>&nbsp;&nbsp;&nbsp;






























    CRT display&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp; A Cathode Ray
    Tube display, that is of the Refresh type. [CB2]<br>
    <br>
    <br>
    <hr style="width: 100%; height: 2px;"><br>
    <span style="font-weight: bold;"><a name="mox"></a>MonacoOPTIX
      colorimeters<br>
      <br>
      <img alt="" src="mox.jpg" style="width: 115px; height: 147px;">
      &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <img alt="" src="Chroma4.jpg"
        style="width: 135px; height: 146px;"><br>
      <br>
      Instrument Availability:<br>
    </span><br>
    <span style="font-weight: bold;">Availability:<br>
      <br>
    </span>The <span style="font-weight: bold;">MonacoOPTIX</span> from
    Monaco Soft is a discontinued instrument.&nbsp; It may still be
    available as old stock, or second hand. It was sold packaged with
    software from the manufacturer. The Sequel Chroma 4 appears to be a
    similar instrument, and both seem to operate as if they were an
    Eye-One Display 1 using Argyll.<br>
    <br>
    <span style="font-weight: bold;">Operation:</span><br>
    <br>
    The Display Selections for this instrument are:<br>
    <br>
    &nbsp;&nbsp;&nbsp; <span style="font-weight: bold;">c</span>&nbsp;&nbsp;&nbsp;






























    CRT display&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp; A Cathode Ray
    Tube display, that is of the Refresh type.<br>
    &nbsp;&nbsp;&nbsp; <span style="font-weight: bold;">l</span>&nbsp;&nbsp;&nbsp;&nbsp;






























    LCD display&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp; A Liquid
    Crystal Display, that is of the Non-Refresh type.<br>
    <br>
    <hr style="width: 100%; height: 2px;"><br>
    <span style="font-weight: bold;"><a name="spyd2"></a>Spyder 2
      colorimeter<br>
      <br>
      <img alt="" src="Spyd2.jpg" style="width: 218px; height: 232px;"><br>
      <br>
    </span><span style="font-weight: bold;">Availability:<br>
      <br>
    </span>The <span style="font-weight: bold;">Spyder 2 </span><span
      style="font-weight: bold;"></span>has been superseded by the
    Spyder 3 &amp; 4, but may be available second hand.<br>
    [The Spyder 1 has also been reported as working, but this has not
    been confirmed.]<br>
    <span style="font-weight: bold;"><br>
    </span><span style="font-weight: bold;">Operation:<br>
    </span><br>
    <span style="font-weight: bold;">Important Note </span>about the
    ColorVision Spyder 2 instrument support:<br>
    <br>
    This instrument cannot function without the driver software having
    access to the vendor supplied PLD firmware pattern for it.<br>
    This firmware is not provided with Argyll, since it is not available
    under a compatible license.<br>
    <br>
    The purchaser of a Spyder 2 instrument should have received a copy
    of this firmware along with their instrument, and should therefore
    be able to enable the Argyll driver for this instrument by using the
    <a href="oeminst.html">oeminst</a> tool.<span style="font-weight:
      bold;"></span><br>
    <br>
    The Display Selections for this instrument are:<br>
    <br>
    &nbsp;&nbsp;&nbsp; <span style="font-weight: bold;">l</span>&nbsp;&nbsp;&nbsp;&nbsp;






























    LCD display&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; A Liquid Crystal
    Display, that is of the Non-Refresh type. [Default, CB1]<br>
    &nbsp;&nbsp;&nbsp; <span style="font-weight: bold;">c</span>&nbsp;&nbsp;&nbsp;






























    CRT display&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp; A Cathode Ray
    Tube display, that is of the Refresh type. [CB2]<br>
    <br>
    <br>
    <span style="font-weight: bold;">Linux USB hub problems:<br>
      <br>
    </span>Note that the Spyder doesn't appear to operate at all well on
    Linux if attached to a secondary USB hub. You may have such a
    secondary hub built into your motherboard. If Argyll has difficulty
    in reliably talking to the Spyder, try connecting it directly to the
    computer rather than via a usb hub, or try using a USB port on your
    computer that connects directly to a root hub. This is probably due
    to a bug in the Linux EHCI driver, and a fix is due to appear in the
    Linux kernel sometime after July 2011. The name of the fix is "EHCI:
    fix direction handling for interrupt data toggles".<br>
    <br>
    <hr style="width: 100%; height: 2px;"><br>
    <span style="font-weight: bold;"><a name="spyd3"></a>Spyder 3
      colorimeter<br>
      <br>
      <img style="width: 262px; height: 220px;" alt="Spyder3"
        src="Spyd3.jpg"> <img style="width: 193px; height: 220px;"
        alt="Spyder3Express" src="Spyd3x.jpg"><br>
      <br>
    </span><span style="font-weight: bold;">Availability:<br>
      <br>
    </span>The <span style="font-weight: bold;">Spyder3Elite</span>, <span
      style="font-weight: bold;">Spyder3Pro</span> and <span
      style="font-weight: bold;">Spyder3Express</span> are being
    superseded by the Spyder4, but may still stocked by some dealers,
    and may be available second hand. The <span style="font-weight:
      bold;">Spyder3Elite</span> and <span style="font-weight: bold;">Spyder3Pro</span>
    appear to be identical hardware with different software from the
    manufacturer. The <span style="font-weight: bold;">Spyder3Express</span>
    lacks the ambient sensor.<br>
    <br>
    [Note that this instrument doesn't seem particularly suited to
    measuring CRT displays, since it no longer seems to synchronise its
    readings to a CRT refresh, and you can no longer remove the LCD
    filter, reducing its sensitivity compared to the Spyder 2 in CRT
    mode. The Spyder 2 or one of the other instruments may be a better
    choice if you particularly need to measure CRTs or Refresh
    displays.]<br>
    <span style="font-weight: bold;"><br>
    </span><span style="font-weight: bold;">Operation:<br>
    </span><br>
    The ambient light sensor can be used with the <span
      style="font-weight: bold;">Spyder3Elite</span> and <span
      style="font-weight: bold;">Spyder3Pro</span> instruments, but is
    only capable of monochrome readings.<span style="font-weight: bold;"><br>
    </span><br>
    The Display Selections for this instrument are:<br>
    <br>
    &nbsp;&nbsp;&nbsp; <span style="font-weight: bold;">n</span> | <span
      style="font-weight: bold;">l</span>&nbsp;&nbsp;&nbsp;&nbsp; A
    non-refresh type display [Default, CB1]<br>
    &nbsp;&nbsp;&nbsp; <span style="font-weight: bold;">r | c</span>
    &nbsp;&nbsp;&nbsp; A refresh type display. [CB2]<br>
    <br>
    <br>
    <hr style="width: 100%; height: 2px;"><br>
    <span style="font-weight: bold;"><a name="spyd4"></a>Spyder 4
      colorimeter<br>
      <br>
      <img style=" width: 262px; height: 220px;" alt="Spyder4"
        src="Spyd4.jpg"> <br>
      <br>
    </span><span style="font-weight: bold;">Availability:<br>
      <br>
    </span>The <span style="font-weight: bold;">Spyder4Elite</span>, <span
      style="font-weight: bold;">Spyder4Pro</span> and <span
      style="font-weight: bold;">Spyder4Express</span> are a currently
    available instruments. The <span style="font-weight: bold;">Spyder4Elite</span>
    and <span style="font-weight: bold;">Spyder4Pro</span> appear to be
    identical hardware with different software from the manufacturer.
    The <span style="font-weight: bold;">Spyder4Express</span> lacks
    the ambient sensor.<br>
    <span style="font-weight: bold;"><br>
    </span><span style="font-weight: bold;">Operation:<br>
    </span><br>
    These instruments are capable of using using CCSS (<a
      href="File_Formats.html#ccss">Colorimeter Calibration Spectral
      Sample</a>) files, and this also gives the instrument the
    capability of using a non-default standard observer. CCSS files can
    be created using the <a href="ccxxmake.html">ccxxmake</a> tool
    using a spectrometer as a reference.<br>
    <br>
    <span style="font-weight: bold;">Important Note </span>about the
    DataColor Spyder 4 vendor display type/calibration support:<br>
    <br>
    This instrument does not have a full range of display type
    calibration selections available without the vendor supplied
    calibration data for it.<br>
    This calibration data is not provided with Argyll, since it is not
    available under a compatible license.<br>
    You can use CCSS files as an alternative (see above), or as the
    purchaser of a Spyder 4 instrument you should have received a copy
    of the calibration data along with their instrument, and should
    therefore be able to enable the full range of display type
    selections in Argyll by using the <a href="oeminst.html">oeminst</a>
    tool.<br>
    <br>
    The Display Selections for this instrument are:<br>
    <br>
    &nbsp;&nbsp;&nbsp; <span style="font-weight: bold;">n</span> | <span
      style="font-weight: bold;">l</span>&nbsp;&nbsp; &nbsp;
    &nbsp;&nbsp; A non-refresh type display with a generic calibration
    [Default, CB1].<br>
    &nbsp;&nbsp;&nbsp; <span style="font-weight: bold;">r | c</span> <span
      style="font-weight: bold;"></span> &nbsp; &nbsp; &nbsp;&nbsp; A
    refresh type display with a generic calibration.[CB2]<br>
    <br>
    The Display Selections for this instrument when the manufacturers
    calibration information has been installed is:<br>
    <br>
    &nbsp;&nbsp;&nbsp; <span style="font-weight: bold;">n&nbsp;&nbsp; </span><span
      style="font-weight: bold;"></span>&nbsp;&nbsp; &nbsp;
    &nbsp;&nbsp;&nbsp;&nbsp; A non-refresh type display with a generic
    calibration [Default, CB1].<br>
    &nbsp;&nbsp;&nbsp; <span style="font-weight: bold;">r</span> <span
      style="font-weight: bold;"></span> &nbsp; &nbsp; &nbsp;&nbsp;
    &nbsp;&nbsp;&nbsp;&nbsp; A refresh type display with a generic
    calibration.[CB2]<br>
    &nbsp;&nbsp;&nbsp; <span style="font-weight: bold;">f &nbsp;&nbsp;
      &nbsp;&nbsp;&nbsp; </span>&nbsp;&nbsp;&nbsp;&nbsp; LCD, CCFL
    Backlight&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;






























    - normal gamut Liquid Crystal Display with standard Cold Cathode
    Fluorescent Lamp backlight.<br>
    &nbsp;&nbsp;&nbsp; <span style="font-weight: bold;">L</span>&nbsp;
    &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp; Wide Gamut LCD, CCFL
    Backlight&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; - wide gamut Liquid Crystal
    Display with Cold Cathode Fluorescent Lamps backlight.<br>
    &nbsp;&nbsp;&nbsp; <span style="font-weight: bold;">e</span>
    &nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp; LCD, White
    LED Backlight&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;
    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; - normal
    gamut Liquid Crystal Display with a White LED backlight.<br>
    &nbsp;&nbsp;&nbsp; <span style="font-weight: bold;">B</span>&nbsp;&nbsp;






























    &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp; Wide Gamut LCD, RGB LED
    Backlight - wide gamut Liquid Crystal Display with RGB LED
    backlight.<br>
    &nbsp;&nbsp;&nbsp; <span style="font-weight: bold;">x</span>
    &nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp; LCD, CCFL
    Type 2
    Backlight&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;






























    - normal gamut Liquid Crystal Display with alternative Cold Cathode
    Fluorescent Lamp backlight (Laptop ?)<br>
    <br>
    The ambient light sensor can be used with the <span
      style="font-weight: bold;">Spyder4Elite</span> and <span
      style="font-weight: bold;">Spyder4Pro</span> instruments, but is
    only capable of monochrome readings.<span style="font-weight: bold;"></span><br>
    <span style="font-weight: bold;"></span><br>
    <hr style="width: 100%; height: 2px;"><a name="HCFR"></a><span
      style="font-weight: bold;" class="titre">Colorim&egrave;tre HCFR
      colorimeter<br>
      <br>
      <img alt="" src="HCFR.jpg" style="width: 203px; height: 194px;"><br>
      <br>
    </span><span style="font-weight: bold;">Availability:<br>
      <br>
    </span>The <span style="font-weight: bold;" class="titre">Colorim&egrave;tre






























      HCFR Probe</span> is a kit instrument from <span
      style="font-weight: bold;"></span> <a
      href="http://www.homecinema-fr.com/colorimetre/index_en.php">HCFR</a>.
    <br>
    <br>
    <span style="font-weight: bold;">OS X</span><br>
    <br>
    Please note the installation <a href="Installing_OSX.html#HCFR">instructions</a>.<br>
    <br>
    <span style="font-weight: bold;">Operation:</span><br>
    <span style="font-weight: bold;"><span style="font-weight: bold;"></span></span><br>
    The accuracy of this instrument does not seem to be comparable to
    the commercial instruments when used for measuring displays,
    particularly in the area of measuring dark colors, and I've seen the
    best results when used with a CRT display. It may well give good
    results in calibrating projectors, since this was what it was
    designed to do.<br>
    <br>
    The Display Selections for this instrument are:<br>
    <br>
    &nbsp;&nbsp;&nbsp; <span style="font-weight: bold;">l</span>&nbsp;&nbsp;&nbsp;&nbsp;






























    LCD display&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp; A Liquid
    Crystal Display [Default].<br>
    &nbsp;&nbsp;&nbsp; <span style="font-weight: bold;">c</span>&nbsp;&nbsp;&nbsp;






























    CRT display&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp; A Cathode Ray
    Tube display.<br>
    &nbsp;&nbsp;&nbsp; <b>R</b> &nbsp; Raw&nbsp;
    Reading&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Raw sensor readings,
    used for calibration [CB1]<br>
    <br>
    <hr style="width: 100%; height: 2px;"><a name="ColorHug"></a><span
      style="font-weight: bold;" class="titre">ColoHug<br>
      <br>
      <img alt="" src="file:///D:/src/argyll/doc/ColorHug.jpg"
        style="width: 203px; height: 194px;" height="623" width="552"><br>
      <br>
    </span><span style="font-weight: bold;">Availability:<br>
      <br>
    </span>The <span style="font-weight: bold;" class="titre">ColoHug</span>
    is a low cost display colorimeter instrument from <span
      style="font-weight: bold;"></span> <a
      href="http://www.hughski.com/">Hughski</a>. <br>
    <br>
    <span style="font-weight: bold;">Operation:</span><br>
    <span style="font-weight: bold;"><span style="font-weight: bold;"></span></span><br>
    Due to the nature of its sensor, the ColorHug accuracy is quite
    dependent on the instrument calibration matrix. A custom .CCMX will
    greatly assist it's accuracy, although a workaround is to calibrate
    your display using its native white point, rather than aiming for
    some absolute white point such as D65.<br>
    <br>
    The Display Selections for this instrument are:<br>
    <br>
    &nbsp;&nbsp; <b>l</b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
    LCD, CCFL Backlight [Default]<br>
    &nbsp;&nbsp; <b>c</b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

    CRT display<br>
    &nbsp;&nbsp; <b>p</b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

    Projector<br>
    &nbsp;&nbsp; <b>e</b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
    LCD, White LED Backlight<br>
    &nbsp;&nbsp; <b>F</b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

    Factory matrix (For Calibration) [CB1]<br>
    &nbsp;&nbsp;<b> R</b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

    Raw Reading (For Factory matrix Calibration) [CB2]<br>
    <br>
    <br>
    <br>
    <br>
    <br>
    <br>
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