Sanyo GPS Receiver NVM-4370 User Manual
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6 Troubleshooting
6.1
Your device does not turn on.
• Check that the battery switch is ON.
• Check that the Car adaptor is connected to your device.
• Check that the battery power of your device is enough.
• Check that the Car adaptor is connected to your device.
• Check that the battery power of your device is enough.
6.2
The internal battery cannot be charged or charging time is long.
• Check that the battery switch is ON.
• Check that the Car adaptor or PC by USB cable is connected to your device.
• In case of USB charging, make sure that your device is OFF state and the USB interface of your PC supports 500 mA at 5
• Check that the Car adaptor or PC by USB cable is connected to your device.
• In case of USB charging, make sure that your device is OFF state and the USB interface of your PC supports 500 mA at 5
Volts (Bus Powered).
• In comparison with Car adaptor, USB charging takes long time.
6.3
System stops responding; is “frozen” or “locked up.”
• To reset your device, take a sharp object like a pen and depress the reset button on the bottom of the device.
• If your device still does not respond after performing “reset”, disconnect all cables, including the Car adaptor, from your
• If your device still does not respond after performing “reset”, disconnect all cables, including the Car adaptor, from your
device. Slide the battery ON/OFF switch on the bottom of the device to the OFF (left) position. Then slide it to the ON posi-
tion again.
tion again.
6.4
Users can also perform a “system reset.”
• To do a “system reset” in the Main Menu, tap the Settings, then tap the Sys Info. This will allow you to do a factory reset
(restore to default settings), reset the GPS and recalibrate the touchscreen interface.
6.5
Screen is not displayed normally.
• Make sure that brightness setting is appropriate.
• There is the case that LCD does not work normally at a high temperature and low temperature. Make sure that the tempera-
• There is the case that LCD does not work normally at a high temperature and low temperature. Make sure that the tempera-
ture is in the normal operating range.
6.6
The touch screen does not respond well.
• Calibrate the screen of your device.
6.7
Connection problems with PC.
• Make sure that the cable is securely plugged into the USB port on your computer and on the device.
• Connect the USB cable directly to your computer - do not run the cable through a USB hub.
• Reset your device before connecting the cable. Always disconnect your device before you restart your computer.
• Connect the USB cable directly to your computer - do not run the cable through a USB hub.
• Reset your device before connecting the cable. Always disconnect your device before you restart your computer.
6.8
No GPS connection
• Make sure that your device has a clear view of the sky.
• Note that the GPS reception can be affected by:
• Note that the GPS reception can be affected by:
- Bad weather
- Dense overhead obstacles (e.g. trees and tall buildings)
- Other wireless devices in the car
- GPS signal may not be received if a window is coated with film.
- Dense overhead obstacles (e.g. trees and tall buildings)
- Other wireless devices in the car
- GPS signal may not be received if a window is coated with film.
6.9
No sound coming from the device.
• Make sure that volume setting is not too low.
• The built-in speaker turns off when the headphones jack is being used.
• The built-in speaker also turns off when the FM transmitter is ON.
• The built-in speaker turns off when the headphones jack is being used.
• The built-in speaker also turns off when the FM transmitter is ON.