Serioux UrbanPilot UPQ475T2, Руководство пользователя

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4. Your device turns on.
9.2 Troubleshooting
Power Problems
Power does not turn on when using battery power
The remaining battery power may be too low to run your device. Connect
the AC adapter to your device and to AC power. Then, turn on your
device.
Troubleshooting and maintenance
Screen Problems
Screen is off
. If the screen does not respond even after you press the power button,
try the
following in order until the problem is solved.
. Connect the AC adapter to your device and to external AC power.
. Reset your system.
Screen responds slowly
. Make sure that your device is not running out of battery power. If the
problem still exists, reset your system.
Screen freezes
. Reset your system.
Screen is hard to read
. Make sure that the backlight of the display is on.
. Move to a location with more light.
Inaccurate response to taps
ON/OFF