TeleType Company 3300 - Manual (Page 11)

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6.Troubleshooting
Problem Reason Action
Can not power on Low power charge the battery
Power off suddenly low power
Touch screen deflected
No sound when playin g
Tool low volume turn on the volume
insert the earphone properly
Can no t co nn ec t wi th PC Poor connection of the USB cable Refer to the 2.3 chapter, connect the USB cable well.
Calibration is not precise. Refer to 3.6.6 to calibrate your touch screen.
Poor connection between
the earphone and device
Difficulty receiving
GPS signal depending on environmental conditions, the intensity of the GPS
signals will vary. It may take approximately 1-3 minutes to receive
the signal.
Unable to use
navigation function Contact the Service Center.
Fails to charge
AC adapter is not
securely attached check that the adapter is inserted securely,
and indicator is red.
Power Key invalid,
touch screen and
display abnormal
The system crashes press the reset key with stylus to restart.
charge the battery
If the device does not work properly, please inspect it according to the
following procedure. If problems persist, contact our Service Center