For installations where a relay is being used in conjunction with the DVR please follow the below schematics/setup images:
Image of DVR + Calamp + 3 Wire Relay Setup on Bench
DVR + Calamp + 3 Wire Relay Schematic
If connecting the DVR to a Calamp relay then it is important to determine whether or not you are connecting with inline diodes or natively via the Calamp. The difference for the installation is that native Calamp relay ignition for the DVR only needs 1 igntion feed via the relay and no diodes as shown below:
If installing the DVR Calamp relay with an independent ignition power source as well then you need to wire both the Calamp relay ignition source and its own independent ignition power source as shown below. This means the DVR will turn on via its own independent ignition source but also have the option to be turned on via the Calamp as well.
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