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Setting MTPX skew
1.
Connect an oscilloscope (preferred) or a monitor (acceptable) to local output
(VGA output) 1.
2.
Apply a crosshatch test pattern to the input to be optimized via an MTP transmitter.
3.
Tie the input to be optimized to output 1.
4.
Use the test equipment or examine the displayed video image with a critical eye to
determine which video signal — red, green, or blue — is most shifted to the left.
5.
If necessary, click Tools > MTPX Picture settings.
6.
Adjust the skew setting of the leftmost video signal to the right until all three colors are
properly converged.
NOTE:
•
When the skew adjustment is set to zero, the MTPX Plus cannot shift the
rightmost video image to the left.
•
A 2-nanosecond adjustment is very fine. Up to 10 nanoseconds of delay may
be necessary before you detect a change in the display.
7.
Adjust the skew setting of the left-most video signal to the right until all three colors are
properly converged.
8.
If either of the two remaining colors is left shifted, repeat steps 4 and 6.
9.
Repeat steps 2 through 7 for all other inputs.
10.
Connect an oscilloscope (preferred) or a monitor (acceptable) to the MTPX twisted pair
output to be adjusted, via an MTP receiver.
11.
Apply a crosshatch test pattern to one of the local (VGA) inputs on the MTPX Plus.
12.
Tie the local input receiving the test pattern signal to the output to be optimized.
13.
Use the test equipment or examine the displayed video age with a critical eye to
determine which video signal — red, green, or blue — is most shifted to the left.
14.
If necessary, click Tools > MTPX Picture settings.
NOTE:
•
When the skew adjustment is set to zero, the MTPX Plus cannot shift the
rightmost video image to the left.
•
A 2-nanosecond adjustment is very fine. Up to 10 nanoseconds of delay may
be necessary before you detect a change in the display.
15.
Adjust the left-most video signal to the right until all three colors are converged.
16.
If either of the two the remaining colors is left shifted, repeat steps 12 and 14.
17.
Repeat steps 10 through 15 for all other outputs.
MTPX Plus Series Setup Guide • Remote Control and Optimizing the Video
27
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