IDK MSD-701AMP User Manual page 183

Digital multi switcher with integrated audio power amplifier
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Problem
Video from analog input
is displayed in
black-and-white or
green.
VHS reproduction or
fast-forward is
interrupted when
analog composite video
or analog S-Video is
input.
The left, right, top and
bottom sides are cut off.
Part of video is cut off
or black is displayed at
edge(s).
Cause/Check item/Solution
Change the input signal type.
Automatic detection of input signal failed. Set the input signal type
manually to "VIDEO AUTO", "VIDEO", or "Y/C".
If the problem occurs only when "CROSS HATCH" (internal test pattern) is
output, the sink device is enlarging the video. Adjust the sink device.
If the sink device does not provide image configuration adjustments,
set the video size and position parameters for the MSD's output port.
If the problem occurs even if "CROSS HATCH" is output to all outputs,
check [8] to [13].
[8] Check the overscan setting.
[9] Settings of the image position or size are not changed?
Note: Image position and size can be set for each input or output.
[10] If aspect ratios of the input signal and output resolution do not match,
video may be cut off automatically or black may be displayed at
edge(s) depending on settings. If the video is displayed on the full
screen by setting the aspect ratio to "FULL", there is no problem.
If the aspect ratios are not the same, you can select a) or b) below:
a) Video is cut off.
b) Black is displayed at edge(s).
[11] If "9.22.3 Input signal status" is set to "AUTO SETUP ON",
input timing is measured when new signal is input. However, if a
non-standard video format is applied to the input, the measurement
may fail to provide optimal results. In this case and if the video is cut
off, but the vertical and horizontal frequencies are correctly
presented on the MSD's front panel display
"9.8.8 Automatic setting of input timing", the signal's
characteristics don't match the built in format parameters. It will be
necessary to make manual adjustments. Once the manual
adjustments are configured, their values will automatically be stored
for that non-standard source on that input port.
[12] For analog input, set the automatic measurement of input timing in
"9.8.1 Automatic measurement". If the result of the automatic
measurement shows that video is cut off or black is displayed at
edges, set the total number of horizontal pixels, scanning start
position, and the active area.
For digital input, the start position and active area do not have to be
set. Only when video edges are cut off 1 to 2 dots, set these items.
(For digital input, the total number of horizontal pixels cannot be set).
MSD-701AMP User Guide
Page
88
88
70
65
80
81, 81,
66, 67
79
80
93
99
95 to 96
183

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