Troubleshooting
VTM-2400 Installation and Operation Handbook
75
Table 6-1. VTM-2400: Problems, Causes, and Solutions
Problem/Symptom
Possible Cause
Solution or Explanation
Waveform not locked when
External Reference
(EXT REF) is selected
The video signal is too low in
amplitude or the sync edge is too
noisy.
Verify that the External Reference
signal is of sufficient amplitude.
EXT REF is selected but there is
no reference input, or the
External Reference is
non-synchronous.
Select Internal Reference (INT
REF) and/or verify that the
External Reference signal is
synchronous.
Problems displaying SD
inputs
Inputs not terminated.
Terminate Inputs
Audio level reading too low
The input reference level is not
correctly set.
Use the SETUP MENU to check
the input reference level setting.
No communications on
VFlash port
The IP address is incorrect.
Provide the correct IP address in
setup menu.
Incorrect Ethernet cable.
For a direct connection, use a
crossover cable. For a network
connection, use a standard
Ethernet cable.
If the problem still exists after troubleshooting the VTM-2400, see “Service and Support” on
page 4 for further instructions.
