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Trouble shooting
4
Once configured, the module should not need further operational adjustments
unless signal or system requirements change. However, status LEDs are provided to
assist in the unlikely event that problems with configuration or module performance
arise.
In normal operation the following green LEDs should be illuminated, VD, AD, RA1,
RA2, Lock1, Lock2 and Power. No red or yellow LED should be permanently lit, but
may flash briefly during power-up.
4.1
Sample problems and their solutions
The green video present LED, VD is not illuminated
•
check that the input cable is connected securely to the BNC socket on the rear
panel
•
check that there is a digital video signal of the correct format connected
The red error LED, ER is illuminated
•
if this red LED is on, then there is no video signal present
•
perform checks as for VD LED not illuminated
The green audio present LED, AD is not illuminated
•
check that the input cable is connected securely to the BNC socket on the rear
panel
•
check that there is a digital video signal of the correct format connected
•
check Hex switch is set for correct mode of operation
12
chapter 4
4429
Issue 1
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