Alarm In - EverFocus EP8BQ User Manual

9

8.2 Alarm in

There are 8 alarm sensors in for 8 channels, all these alarm inputs are
Normally Open and shorted to ground means an alarm happens.
There are eight alarm inputs, one for each camera of page A & B. Please connect the
alarm input in the same sequence as the cameras input BNC of page A & B.
When any alarm signal is input, 8BQ will do the following:
1. switch to the full screen display of the alarmed channel.
2. Light on the channel LED and Alarm LED .
3. turn on the buzzer.
When 2 or more alarms occur in the same page A or B, 8BQ will switch to quad display
of that page.
If alarms occur at the same time in different pages, 8BQ will switch to full screen of the
channel of Page A.
If alarms occur in different time in different pages, 8BQ will switch to full screen of the
channel that the last alarm belongs to.
When the alarm time is over, 8BQ will go back to the normal condition that alarm
occurred before.
EverFocus Electronics Corp.
SENSOR 8
SENSOR 7
SENSOR 6
SENSOR 5
SENSOR 4
SENSOR 3
SENSOR 2
SENSOR 1
2 1
8
15 9
ALARM
CIRCUIT