Videotek VTM-2000 Specifications Page 204

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Troubleshooting
VTM Series Installation and Operation Handbook
7-2
Warm Start
The Warm Start procedure is similar to a cold start. This reset will perform a cold start
on the unit, but will not erase the Presets from memory. To perform a Warm Start:
1. Push and hold the SETUP button and CURVED ARROW knob for a minimum of
five seconds until the Warm Start message appears on the display.
2. Once the message appears, the Warm start is complete.
Cold Start after VFlash
After a VFlash update is performed, cycle the power and perform a cold start to
continue. To perform a Cold Start after a VFlash update:
1. Unplug the power to the TVM/VTM device and wait 30 seconds.
2. Plug the power back into the device while pushing and holding the SETUP button,
UP/DOWN knob, and RIGHT/LEFT knob. Hold the buttons until the display
appears.
3. Once the quad display appears, the cold start is complete.
Problems, Causes, and Solutions
Table 7-1. VTM Series: Problems, Causes, and Solutions
Problem/Symptom Possible Cause Solution or Explanation
The monitor is not powered up. Check to see that the monitor is
plugged in and powered up.
No display on external XGA
monitor
The full-screen picture display is
selected but no signal is present
on the input selected.
Press DISPLAY to de-select the
full-screen picture display.
Display on External XGA
monitor is not centered
The XGA monitor is not correctly
adjusted.
Use the monitor controls to center
the display.
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.
Waveform not locked when
External Reference
(EXT REF) is selected
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 HD or
SD inputs
Inputs not terminated. Terminate Inputs
(Table continues on next page)
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