
System maintenance and user support
To load the factory default settings:
1.Tap  on the Main Menu panel.
 on the Main Menu panel.
2.Tap  on the System panel.
 on the System panel.
3.Tap GPS Reset on the System Info screen.
4.Tap Yes on the dialog box.
The GPS reset process will take about a minute to complete.
FAQs
This section lists 
| Aspect | Question | Answer | 
| Audio | Why is there no sound coming from | • If the earphone is plugged into the device, | 
| 
 | the device? | the speaker is automatically shut off. | 
| 
 | 
 | Disconnect the earphone. | 
| 
 | 
 | • Check that the device’s volume settings is | 
| 
 | 
 | not muted. In the System panel, tap | 
| 
 | 
 | Volume. | 
| Touch screen | Why is the touch screen not | 
| 
 | responding to my finger taps? | 
The screen may have lost its calibration. Recalibrate the screen. Go to the “Recalibrating the screen“ section for instructions.
58
