Troubleshooting - Sony NAV-U NV-U81T Quick Start Manual

Troubleshooting

The following checklist will help you
remedy problems you may encounter with
your unit.
Before going through the checklist below,
check the connection and operating
procedures.
The operation icons on the display do
not function.
An operation may take time while a map is
displayed.
The unit does not turn on.
t Check that the POWER switch on the
bottom left of the unit is in the ON
position.
t Charge the built-in battery.
– Install the unit properly according to
the supplied installation manual.
– Connect the unit to an outlet using the
AC power adapter and the AC power
cable.
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