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Problem
Digital input video is
not output.
Analog input video is
not output.
Video is not output
Video is dissappeared,
interrupted, or has
noise.
Input video and test
pattern are not output.
Video is interrupted.
Video is interrupted or
has noise
Cause/Check item/Solution
[1] The set time for monitoring a no-signal input may be too short.
[2] Change the settings of input equalizer.
[3] Change the input signal type.
[4] If the source device has multiple output connectors, check the
video output settings of the device.
[5] If using a long cable for input or output, replace it with a 5 m/16.4
ft. or shorter cable. Since the MSD has the equalizing function,
long cables can be connected, but the MSD may not provide its
full performance depending on the cable quality and the
connected device. If the problem is solved by replacing the cable,
signal might have been degraded due to the long haul
transmission. We have high-quality cables, cable boosters and
extenders. Please contact us as needed.
[6] When high-speed signal (high resolution: such as UXGA,
WUXGA, 1080p; DEEP COLOR signals) are input or output,
video may not be displayed or noise may appear depending on
the cable quality and the connected device. If the problem occurs
only when a specific input is selected, the problem was caused
by the input side. If it occurs for all inputs or only when a test
pattern is displayed, the problem was caused by the output side.
Change the resolution to a lower level and/or disable Deep color.
You can check the resolution and color depth of the input signal
in "7.17.7 Input signal status" and can limit resolution and color
depth of input signal according to the EDID setting.
You can also specify output resolution and check the color depth
of the output signal in "7.17.8 Sink device status" and limit the
output signal color depth.
[7] If you set the output resolution other than "AUTO", check if the
selected resolution is supported by the sink device.
If you select 480i, 576i, or 1080i, video may not be output to sink
devices that do not support interlaced signal.
For TV output resolutions (480i to 1080p), check the vertical
synchronous frequency. PC output resolutions (VGA to QWXGA)
may not be output to LCD TVs.
If you set "7.6.5 Automatic detection of input video interruption"
to "ON", false detection may occur. Change the setting to "OFF".
If the problem occurs only with specific digital input, change settings
of the input equalizer.
MSD-501/502/701/702 User's Guide
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