37
Troubleshooting
Problem
Solution
No Sound
(1) Check the connection to the
earphones
(2) Increase the volume
(3) Properly tune the GPS to your FM
radio or turn OFF the FM Tuner
function on the GPS
Unable to use
navigation function
Contact TeleType GPS Support
4.2 Maintenance
To properly maintain your GPS to protect your
investment:
Protect the screen by pressing gently when using the
device.
Use your fingertip or the stylus rather than any
sharp object such as a pen or pencil to operate the
navigator.
Turn off the GPS daily - after driving for the day,
hold the power button down until the device fully
powers down.
Do not spray glass cleaner directly on the screen,
turn off the GPS, then spray a small amount of glass
cleaner on a soft cloth (preferably lint free) and
gently clean the screen.
Hardware User Guide
38
Properly secure the GPS to avoid breakage and
damage to the internal high precision components.
Note that physical damage is not covered in the
warranty. If you plan to carry the GPS from one
vehicle to another, consider purchasing a specially
designed leather case to protect the GPS.
Avoid environmental issues such as high or low heat
(refer to the technical specifications above for
details), high voltage, dust, electrostatic
interference, and liquids.
Avoid electronic interference from other electronic
products. Keep the GPS positioned sufficiently far
from other electronics to minimize interference
which can affect the display and operation of the
GPS.
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