Resetting The Unit - Sony NAV-U NV-U81T Quick Start Manual

The demonstration mode starts
automatically even if no operation is
performed.
t Turn off the auto demonstration mode by
selecting "More..." in the top menu c
"Settings" c "General Settings" c
"Demo Mode." Then, confirm that
"Demo Mode" is set to off.

Resetting the unit

If the navigation software freezes, try
resetting the unit.
Press the RESET button with a pointed
object, such as a ballpoint pens
(page 8).
If the problem persists, switch off the
main power by sliding the POWER
switch to the OFF position, then switch
on again after approximately 10
seconds (page 8).
Note
After you switch off the main power, it may
take time to receive GPS signals when
switching on again.
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