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2. Please make sure that the positive pole of DVR power line connects the positive pole of vehicle batteries with the fuse.
1. Key interface connected to the vehicle ignition switch for DVR function of vehicle ignition startup and time-delay shutdown. There
are two kinds of vehicle ignition switch:
(1)Positive pole ignition switch:
Ignition switch are connected to the positive pole of DC+12/24V of vehicle batteries.
Vehicle Batteries
+12/24V
GND
Device
Ignition Switch
Fig 2.2
(2)Negative pole ignition switch:
Ignition switch are connected to the GND of vehicle batteries.
Vehicle Batteries
+12/24V
GND
Device
Ignition Switch
Fig 2.3
Please make sure that the connection is correct, and detailed descriptions are as below:
Note: Please contact the vehicle battery manufacture for the information on the voltage polarity.
(1) Connection of Positive Pole Switch (Fig 2.4):
User Manual of DMB-04R Embedded Mobile DVR (V1.0)
