DVR User Guide
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2-1-4 SPOT installation
SPOT of Video Out will only display the
MOTION or ALARM triggered channel.
2-2 Sensor and alarm installation
2-2-1 Alarm Input & Output
D1~D4 for Alarm Input /GND.
4 alarm input for connecting to external
sensors. Please refer to the pinout
assignment which printed at back panel.
Relay Output NO/NC/COM
The application of relay output is NO+COM +
NC+COM
2-2-2 Sensor installation
Alarm will be triggered by one (or more than
one) alarm Input(s) (D1~D4) become short or
open circuit with GND.