American Dynamics ADTT16E Operator's Manual page 79

Monochrome Video-Switching Unit Problems
Problem Description
No video on monitor.
Cannot access menu
displays.
Quad display not shown
in automatic sequences.
Quad display is frozen
and will not unfreeze.
No alarm callup.
Color Video-Switching Unit Problems
Problem Description
No video on monitor.
Cannot access menu
displays.
Quad display not shown
in automatic sequences.
Quad display is frozen
and will not unfreeze.
No alarm callup.
Using System Utilities and Solving Problems
Possible Solution
•
Check that the monitor is powered on and adjusted.
•
Check the camera lens adjustments (iris).
•
Check video connections from camera(s) to the
video-switching unit.
•
Check video connections from video-switching unit
to the monitor.
•
Verify that the video-switching unit is not in VCR
playback mode.
•
Verify that Call output is connected to the monitor.
•
Verify that Quad is included in RUN sequence.
•
Verify that alarm inputs are not active/closed.
•
Verify the alarm input connections.
•
Verify that the ALARMS button is illuminated.
Possible Solution
•
Check that the monitor is powered on and adjusted.
•
Check the camera lens adjustments (iris).
•
Check video connections from camera(s) to the
video-switching unit.
•
Check video connections from video-switching unit
to the monitor.
•
Verify that the video-switching unit is not in VCR
playback mode.
•
Verify that the M ain output is connected to the
monitor.
•
Verify tha t camera input 1 has video present.
•
Verify that Quad is included in the CALL sequ
•
Verify that alarm inputs are not active/closed.
•
Verify the alarm input connections.
•
Verify that the ALARMS button is illuminated.
ence.
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