158
Intellex
®
Digital Video Management System Installation and Operating Instructions
Alarm Operations
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Video Loss Alarms
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
).
5.
If the
Alarm Message Display
option is selected (see
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
b.
The unit displays
VIDLOSS
over a color-bar pattern.
c.
If the
Latch Messages
option is selected (see
), 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 associated with camera 16 (see
).
The unit remains in the alarm state until ALL of the following
occur:
a.
All other alarms are released.