©2022 Pro-Vision Solutions, LLC. Page 8 of 56
Installing Power Cable
The power cable provides power to the unit and controls when it is on or off. Make sure the primary battery power
connection is to a reliable 12V-24V DC power source. The cable may be routed from either direction.
Fused 12-24V DC Battery Power: The battery power wire should be connected to an
always-on power supply on the vehicle. The connection should include a 3A fuse and
be on its own dedicated circuit. If possible, connect the unit directly to the positive
terminal of the vehicle’s battery through a 3A fuse.
Key ON Ignition Signal: Signals the unit that the vehicle is ON. It can be connected to
a 12-24V DC ignition source (Fused), or to a ground level ignition source. If using a
ground level ignition source, the wire must first be connected to a 12V source and the
setting for “Ignition Level” changed to LOW in the power menu.
Chassis or Battery Ground: The ground wire connects directly to a clean grounding
stud/screw or directly to the negative terminal of the battery.
IMPORTANT: Do not connect the red battery power wire to a battery drain protection device such as a ChargeGuard®; this can cause abnormal
performance and/or damage the electronics inside the recording unit. The unit itself has a battery drain protection function built in.
You must use fuses that can handle the current draw of the unit with all cameras and accessories. With the DVR unit, 8 cameras,
GPS, Event Marker Button, and a Solid-State Disk (SSD) the current draw is ~3A at 12 VDC.
The power cable includes (2) fuse holders with 3A fuses that are intended for use when making final connections to the vehicle to
protect the power cable and the drive recorder unit. Other suitable fusing methods with appropriate amperage fuses may be used
instead of the included fuses.
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