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Practical Advice
Troubleshooting andself-test
The self-test can be used to check the fol-
lowing components of the VU for correct
operation:
앫 Display
앫 Invert view function
앫 Printer
앫 Buttons
앫 Driver card
The self-test is only possible when the vehi-
cle is stationary.
왘 Press the button.
왘 Press the or button until
Setting menu
appears in the display.
왘 Press the button.
왘 Press the or button until
Settings Built-In test
appears in the
display.
왘 Press the button.
왘 Press the or button to select
a test.
See the table on the following pages for
available tests.
Self-test procedure
Built-in test