68 lines
3.8 KiB
HTML
68 lines
3.8 KiB
HTML
<!doctype html public "-//W3C/DTD HTML 3.0//EN">
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<html>
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<head><title>Links Calibration</title></head>
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<body bgcolor="#000000" text="#ffffff">
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<h1>Links Calibration Procedure</h1>
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<p>To get a flawless picture while browsing the Web with Links,
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you have to perform the described procedure step-by-step. A test pattern
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for the adjustment follows:
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<br><center><img src="test_pattern.png" width=480 height=480
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alt="Monoscope"></center>
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<br><center><table border=1>
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<tr><td>1.</td><td>Set "Setup -> Video options -> User gamma" to
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1.0</td></tr>
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<tr><td>2.</td><td>Switch off "Setup -> Video options -> Aspect
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correction on".</td></tr>
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<tr><td>3.</td><td>Set "View -> Html options -> Scale all images by (%)"
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to 100.</td></tr>
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<tr><td>4. <img src="picture-crank-0.png" alt="Contrast to 0"></td><td>Turn
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"Contrast <img src="picture-icon.png" alt="Contrast">" to it's
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minimum.</td></tr>
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<tr><td>5. <img src="black-control-rocking.png" alt="Set brightness"></td><td>Set " Brightness <img
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src="black-icon.png" alt="Brightness">" to the highest level where black
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just still stays black. <img src="elbow.png" alt="Find the elbow"> The gradient (where light
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output is proportional to horizontal offset) in
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the lower part of the image may assist you to perform this task or you may
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diminish horizontal size of the picture on your monitor's controls and
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check at the edge of the screen.</td></tr>
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<tr><td>6. <img src="picture-crank-up.png" alt="Set contrast"></td><td>Set "Contrast
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<img src="picture-icon.png" alt="Contrast">" as you like it.</td></tr>
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<tr><td>7.</td><td>Adjust "Setup -> Video options -> Red,
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Green, Blue display gamma" until the inside of the test pattern looks
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like this: <img src="adjusted.png" alt="The center of the monoscope should look like this"> Red gamma influences the red field,
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green gamma green field, blue gamma blue field. When right part of
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particularly coloured field is too dark, increase the appropriate gamma. When the right
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part is too light, decrease the gamma. The white
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field is there for confidence only. You shall not see the fringes in left
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parts of the fields. If you see them, go farther from the screen or take
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off glasses.</td></tr>
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<tr><td>8.</td><td>Set "Setup -> Video options -> User
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gamma" according to recommended setting that are provided in the
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dialog box.</td></tr>
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<tr><td>9.</td><td>Switch on "Setup -> Video options -> Aspect
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correction on".</td></tr>
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<tr><td>10.</td><td>Adjust you picture's size so that it just fits on the
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screen</td></tr>
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<tr><td>11.</td><td>Adjust "Setup -> Video options -> Aspect
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ratio" so that the white circle is perfectly circular.</td></tr>
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<tr><td>12.</td><td>If you are using a picture tube monitor, set
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"Setup -> Video options -> Display optimization for CRT".
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If you have got a flat panel LCD monitor, choose between "Setup ->
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Video options -> Display optimization for LCD (RGB)" and "Setup ->
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Video options -> Display optimization for LCD (BGR)" , whichever looks
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better.</td></tr>
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<tr><td>13.</td><td>Save your settings with "Setup -> Save
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options".</td></tr>
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<tr><td>14.</td><td>Do not touch "Brightness <img
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src="black-icon.png" alt="Brightness">" any more. You may adjust "Contrast <img
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src="picture-icon.png" alt="Contrast">" whenever you want.</td></tr>
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</table></center>
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<h1>Recommendation</h1>
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<p>If you have got an X Server that supports built-in software gamma
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correction, switch this gamma correction completely off. You will get a
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better picture. To switch the gamma correction off, edit the configuration file and set all "gamma"
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values to 1.0. After doing that, restart X Server, run Links and calibrate
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Links and the monitor.
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</body>
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</html>
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