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3.1 Power Cord Wiring
In order to ensure the safety of your automobile and device, a fuse is required for wiring of
automobile power and device power.
Do not connect the power cord to the device before all the cables are connected.
3.1.1 Shutdown Delay
Purpose:
The device starts up when your automobile ignites and shuts down after automobile is off.
Automobile ignition startup and shutdown are realized by automobile positive pole ignition switch
(providing high level signal when the switch closes). The wire connection of the device varies with
the automobile ignition models.
Ignition switch is connected to the positive pole of +12/24 VDC of automobile batteries. Make sure
that the connection is correct, and then perform the following steps:
Step 1 Connect the "DC IN +" of the device to the positive pole of automobile batteries, jumping
over the switch of normal automobile power.
Step 2 Connect the "DC IN -" of the device to the negative pole of automobile batteries.
Step 3 Connect the "ACC" of the device to the automobile ignition switch.
Step 4 Place the fuse into the fuse holder.
Intelligent Analyzer Quick Start Guide
Chapter 3 Device Wiring
Figure 3-1 Install Fuse
12
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