American Dynamics Intellex DV8000 Installation And Operating Instructions Manual page 129

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Intellex Digital Video Management System Installation and Operating Instructions
Video Loss Alarms
Alarm Operations
The Intellex system can detect loss of the video signal at any
connected camera input. The Alarm on Video Loss option in the
Alarms portion of the Setup Options screen must be selected to
enable this feature (see
When the unit detects loss of video signal at any connected
camera input:
1. The unit energizes the alarm output associated with the
camera.
2. The unit lights the Alarms indicator as soon as the alarm is
cleared.
3. The unit adds color bars to the video segment at the point
where video was lost and flags it in the image database with
the name Video Loss.
4. If the Pre-Alarm Duration option is selected, the unit saves
the pre-alarm images to the image database (see
Schedule Setup).
5. If the Alarm Message Display option is selected (see
Setup):
a. If the camera is not currently displayed or is displayed in
the camera sequencing window, the unit switches the
live display monitor to the 4x4 format and overrides the
display settings for the duration of the alarm (see
Setup).
b. The unit displays VIDLOSS over a color-bar pattern.
c. If the Latch Messages option is selected (see
Setup), the unit enables the Clear Latched button on the
Utility Options screen (see
d. The unit suspends camera sequencing on the live display
monitor.
6. If the Unit Alarm Out option is selected, the unit energizes
the alarm output 16 (see
The unit remains in the alarm state until ALL of the following
occur:
a. All other alarms are released.
Alarm Setup).
Utility Options).
Alarm Setup).
129
Custom
Alarm
Display
Alarm
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