AMX AVS-OP-2020-117 Manuel d'instructions Page 110

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RGBHV+Stereo to CatPro I/O Boards (with RX Modules)
104
Optima Instruction Manual
5. Turn the Adjust knob clockwise or counterclockwise, if necessary, to align the green color bars with
the red color bars.
6. Press the Adjust knob.
The LED turns blue; the module is placed in Blue Skew Adjust mode.
7. Turn the Adjust knob clockwise or counterclockwise until the blue color bars align with the red and
green color bars.
8. Press the Adjust knob.
The LED turns white; the module is placed in Volume Adjust mode.
9. Turn the Adjust knob clockwise to increase volume or counterclockwise to decrease volume.
10. Press the Adjust knob.
The LED turns off, and the module saves all of the settings.
To adjust the volume without changing the skew settings:
1.
Press the Adjust knob until the LED turns white and then complete Steps 9 and 10 above.
Tip: For optimal results on flat panel LCDs, use page 2 of the .pdf test image and press the auto-
adjust button on the panel after using the potentiometers and the Adjust knob.
LED Blinks Red and Green
If the LED alternately blinks red and green, a configuration failure has occurred.
If the blinking happens when the Adjust knob is pressed to save (Step 10), the system failed to
save the settings. Any adjustments just made are still in effect, but will be lost the next time
power is cycled. Press the Adjust knob; repeat (cycle the colors) until the LED turns off.
If the blinking happens when power is cycled, the system could not find valid settings and
reverted to the factory defined default settings. Complete Steps 2 through 10 again.
Additional fine-tuning with the potentiometers may be necessary. If undesirable display conditions
persist, see “CatPro Troubleshooting” on page 105.
FIG. 66 Test image adjusted for skew
Test Pattern for Cable Length
and Skew Compensation
NOTE: This Test Pattern must be viewed in Full Screen mode at 100%. Be sure the display
resolution matches the resolution shown in the box above in order to get accurate results when
making adjustments. If the Test Pattern has been resized since opening it, press Esc, then Ctrl+L
(full screen) followed by Ctrl+1 (100%).
1. Adjust the GAIN until the display is reasonably bright.
2. Adjust the PEAK until the black and white pattern is fairly balanced.
3. Press the Adjust knob to cycle through the Red, Green, and Blue color components. At each
color, the knob can be turned to adjust the skew delay if needed. When skew adjustments are
completed, the Red, Green and Blue color bars on this page should be perfectly aligned.
4. Press the Adjust knob (the LED turns WHITE) and turn to adjust the volume if needed.
5. Press the Adjust knob again to turn off the LED and save the settings.
6. Readjust the GAIN and PEAK to sharpen the Sample Text image below.
7. (Optional) If the destination is a flat panel LCD with an auto-adjust feature:
a. Use the up/down arrows or mouse wheel to scroll to page 2 of this Test Pattern.
b. Press the auto-adjust button on the display.
c. Once the auto-adjust is complete, scroll back to page 1 to make any final adjustments.
Ctrl+Q
to Exit
1280 x 768
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