HIKVISION DS-MP7504, User Manual

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Mobile Digital Video Recorder User Manual
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the device working mode.
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Vehicle ignition startup and time-delay shutdown
The mobile DVR starts up when the vehicle ignites and shuts down according to the pre-defined delay time after the vehicle
is off. The startup and shutdown of the device depend on the vehicle ignition signal.

Timing on/off
The mobile DVR starts up or shuts down automatically according to the pre-defined time and the device works separately
from the running status of the vehicle.
1.4.1 Vehicle Ignition Startup and Time-delay Shutdown
The vehicle ignition startup and time-delay shutdown are realized by the vehicle ignition switch, which includes positive
pole ignition switch (providing high level signal when the switch closes) and negative pole ignition switch (providing low
level signal when the switch closes). The wire connection of the device varies from different vehicle ignition switch.
For detailed time settings of time-delay shutdown, see Chapter 6.1
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Please contact the vehicle manufacturer for the connection information of starting switch.

The vehicle ignition switch, also called car key, controls the startup and shutdown of the vehicle. Most of the cars
adopts positive pole ignition switch currently.
Positive pole ignition switch
Figure 1. 4 Connection of Positive Pole Ignition Switch
Ignition switch is connected to the positive pole of DC+12/24V of vehicle batteries. Please make sure that the connection is
correct, and then perform the following steps:
Steps:
1. Connect the “DC IN +” of mobile DVR to the positive pole of vehicle batteries, jumping over the switch of normal
vehicle power.
2. Connect the “DC IN -” and “KEY -” of mobile DVR to the negative pole of vehicle batteries.
3. Connect the “KEY +” of mobile DVR to the vehicle ignition switch.