5. Utility Software
18
Video Modes Preview
You can preview each of the video timings set in the CLMode main setup window to
check that they are compatible with your monitor.
1. Select the Preview button on the main setup window to display the Video Modes
Preview window.
2. Display each test screen from this window.
3. After each test screen is displayed, press
[Enter]
or the left mouse button to see
the next video mode.
4. If there is a problem, press
[Esc]
or the right mouse button to return to the Preview
window.
Try slower settings for any resolutions that did not work and verify your choices again.
Centering Adjust
Centering is available while in the Video Modes Preview window (only for extended
Graphics modes 58h and greater). You can use the Right/Left/Up/Down arrow keys to
adjust your screen accordingly.
The screen adjustments have predefined limits, and in some cases the limit for the right
side adjustment for some modes will have already been reached when entering the
Preview mode. In that case, no right side adjustment is allowed.
Once a mode is adjusted, the new values for horizontal and/or vertical positioning are
saved within CLMode. When exiting from CLMode, you are prompted on whether you
want to save these new parameters to TSR (CENTER.COM). If you choose to do this,
the values to be used for the adjusted modes are stored in CENTER.COM on exit.
CENTER.COM can then be loaded outside of CLMode. Once this is accomplished, all
the modes that you have adjusted are the active modes set when that mode request is
made.
To unload CENTER.COM, you must change the Monitor Type
currently set in CLMode.
This will unload CENTER.COM and uninstall all centering adjustments previously
redefined. To save new centering adjustments for a different monitor type, repeat the
above procedure. Your new adjustments are written into CENTER.COM over the
previously defined adjustments.
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