Ultrak CCU-100HD Manual do Utilizador descarregar pdf (Página 61)

3-11

While an alarm monitor is being used to display alarms, an operator cannot

manually switch another camera to the monitor.

EXAMPLE:

The alarm monitors are 3 through 5 with alarms 1, 2, and 7 displayed. Alarm

7 is the oldest alarm and alarm 1 is the newest. Alarm #4 occurs and cannot

be displayed so it is placed in the alarm queue.

Alarm 7 Alarm 2 Alarm 1

Monitor 3 Monitor 4 Monitor 5

Alarm 2 is acknowledged. The CCU shifts Alarm 1 to Monitor 4 and puts the

oldest alarm (alarm 4) in the queue on monitor 5.

Alarm 7 Alarm 1 Alarm 4

Monitor 3 Monitor 4 Monitor 5

Alarm VCRs

When an alarm occurs that calls a camera in alarm to an alarm VCR, the

CCU switches the camera to the first available VCR (video output

programmed as alarm VCR). The CCU sends control data to the HD

switcher to energize the relay (contact output) associated with that video

output.

If there are more alarms than alarm VCRs, the CCU puts the excess alarms

in a queue. When an alarm VCR becomes available, the CCU switches the

oldest alarm in the queue to the video switcher output associated with the

newly available alarm VCR.

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Ultrak CCU-100HD Manual do Utilizador Página 61