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DVR Installation
4. Alarm installation
The unit provides 1 internal switch for sounding alarm when the sensor is
Activated due to the unwanted entrance of anonymous visitor. The switch
Is open at normal state, but, when the alarm is activated, the switch is closed
So that the alarm gets the power. The circuitry is shown as above figure.
There are two simple steps for the installation of the alarm
i. Prepare the power supply:the alarm needs a power supply, the power supply
comes with the alarm
ii.Connect the alarm power line:the alarm power line is connected to the alarm
switch terminal.
Alarm
AC/DC adaptor
power outlet
Signal Line
Power line
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