Troubleshooting - Lightware MODEX-OPTS-TX User Manual

10. Troubleshooting

Usually, if the system seems not to transport the signal as expected, the best strategy for
troubleshooting is to check signal integrity through the whole signal chain starting from
source side and moving forward to receiver end.
At first check front panel LEDs and take the necessary steps according to their states. For
more information about status LEDs refer to section
page 14.
Symptom
No picture on
the video output
port
No audio is
present on
output
HDMI output
signal contains
no audio
Section 10. Troubleshooting
Root cause
Video & Audio module
Device(s) not Check the extenders and the other
powered devices if they are properly powered;
properly try to unplug and reconnect them.
Cable Cables must fit very well, check all
connection the connectors.
problem
Not the proper Check the properties of the
video port is Video & Audio module.
the active one
Not the proper If the source/display has more
interface is the connectors, check if the proper
active one interface is selected.
The output is Check the mute state of output port
muted of TX and RX.
Display is not Check the emulated EDID and select
another (e.g. emulate the display's
able to receive
the video EDID on the input port).
format
Data rate is too Select a lower resolution; if the
high for the source is a computer try to modify
video cable the refresh rate (only for expert
users).
HDCP is Enable HDCP on input port.
disabled
Audio interface module
Other audio Check the crosspoint settings of
port is switched audio layer.
to the output
Audio Check the Audio application mode of
application the Audio module.
mode set to
another layout
Output port is Check the Audio port properties.
muted
Analog audio Check the Analog audio input port
input: volume settings (Volume).
is set very low
Analog audio Check the Analog audio output port
output: volume settings (Volume).
is set very low
HDMI mode Check the properties of the output
was set to DVI port on RX and set to HDMI or Auto.
MODEX-OPTS, MODEX-OPTM
2.2.1 on page 13 and section
Action
User's Manual
2.2.2 on
Refer to
Section 6.4.2
Section 6.5
Section 6.6.4
Section 6.5.3
Section 6.3
Section 5.4.4
or section 6.4.3
Section 6.5
Section 5.4.4
or section 6.5.1
Section 5.4.4
or 6.5.2
Section 5.4.2
or section 6.5.3
Page 107 / 113