The EW OBU is designed to be used with a voltage range of 8 V – 42 V DC. Voltages outside of
the stated range must not be used.
The EW OBU should be connected to a power supply for proper operation of the device during
driving and toll collection.
There are 3 main installation types:
• Basic connection - 12V cigarette lighter socket
• Combined connection with the OBD dongle - For more information contact Eurowag Customer Care
or visit our website.
• Connection with full readings of vehicle operating information - The wiring of the vehicle CAN BUS
+ tachograph - This installation must be done by service technicians. For more information contact
Eurowag Customer Care.
4. Initial setup
A. Connect the EW OBU to the power supply to turn it on. The Welcome screen will display.
B. Use ↑ or ↓ to select the required language from list and confirm the selection with the ✓ button.
Screen for language selection (B)
C. Wait for personalization data. Personalization data contains the vehicle data that was provided when
the vehicle was registered online.
The personalization of the EW OBU requires a strong GSM signal to work
D. In case of error messages, please follow the on-screen instructions.
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