PNI L807 PLUS Manuel Utilisateur page 17

Troubleshooting
The device does not start
Discharged battery. Charge the device with an external power source that will
charge the internal battery at the same time.
The device turns off during use
Discharged battery. Charge the device with an external power source that will
charge the internal battery at the same time.
The device does not display anything on the screen or the image is blurry
The screen lighting is off or very reduced. Adjust the level of screen illumination.
The buttons on the screen do not work properly
The touch screen is not calibrated. Calibrate the screen again.
There is no sound when playing audio and video files
Volume is too small. Increase the volume level.
Headphones are not connected properly. Check the headset connection.
The device cannot be seen by the computer you are connected to
The USB cable is not connected properly. Connect the USB cable properly.
The device does not receive GPS signals
This depends on the strength of the GPS signals depending on the area where
you are.
Wait for 3 minutes to receive signals or change your position.
17 User manual