OBU Manual
Version 3.0 August 27, 2020 18
4.5 Flexible installation
Fixate the power supply cable in such a way that it cannot disconnect while driving the vehicle or
impair a safe operation of the vehicle.
Use the adapter to connect the OBU with the power connection depending on the socket in your
vehicle.
Flexible power connection for
1 DIN standard sockets
2 Cigarette lighter sockets
Figure 12: Power connection for flexible installation
With the ignition switched on / during driving the rechargeable battery will be charged.
In battery mode (connection to the cigarette lighter disconnected) the OBU will be supplied by
the battery for 4 hours.
The battery charge will be shown on the display.
The OBU emits a warning beep, when the user removes the power supply.
Please, consider the battery loading status during driving.
If the battery level goes below 25%: The OBU beeps and shows a warning message. The user has
to press OK to come back to the normal screen.
If battery level goes below 10%: The OBU beeps and shows a warning message. The user has to
press OK to come back to the normal screen.
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