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5.13 External Alarm Input and Relay Output
For DVR-470, there are 4 external alarm input and 2 relay output. For DVR-1670, there are
16 external alarm input and 4 relay output. In “Alarms” menu, you can setup for each
external alarm input. In main menu, move “Active Frame” to “Alarms” icon and press
【ENTER】key to enter into alarms menu：
External alarm input setup：
Step 1：Select one alarm input
Use【↑】【↓】keys to select one alarm input.
Step 2：Alarm type
This is sensor type. You can select “Normal Open” or “Normal Close” according to the
sensor type.
Step 3：Enter into “Alarm in Handling” sub menu
In the “Alarms” menu, there are two options for “Alarm Handling” item. One is “Ignore”,
and the other is “Handle”. If you select “Handle” option, you can active “Policy” and “PTZ
Linkage” buttons on right side. Move “Active Frame” to “Policy” button and press【ENTER】
key, you will enter into “Alarm in Handling” sub menu：