Troubleshooting - Pioneer AVIC-F500BT Hardware User Manual

2.2 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 then to AC power. Then, turn on your
device.
Screen Problems
Screen is off
If the screen does not respond even after you press the power button, try the
following steps in this order until the problem is solved:
Connect the AC adapter to your device and to external AC power.
Reset your system. (See Section 2.1 for information.)
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. (See Section 2.1 for information.)
Screen is hard to read
Make sure that the backlight of the display is on and if necessary adjust the
brightness.
GPS Problems
When there are no valid GPS signals available, consider the following:
Make sure that the device has an unobstructed view of the sky.
Note that the GPS reception can be affected by:
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