CHAPTER 8 MAINTENANCE AND
TROUBLESHOOTING
This chapter includes instructions on cleaning and storing the device, and provides troubleshooting solutions for
potential problems during operation.
Maintaining the Device
For trouble-free service, observe the following tips when using the TC70x/TC75x:
• Do not scratch the screen of the TC70x/TC75x. When working with the TC70x/TC75x use the supplied stylus
or plastic-tipped pens intended for use device a touch-sensitive screen. Never use an actual pen or pencil or
other sharp object on the surface of the TC75x screen.
• The touch-sensitive screen of the TC70x/TC75x is glass. Do not to drop the TC70x/TC75x or subject it to
strong impact.
• Protect the TC70x/TC75x from temperature extremes. Do not leave it on the dashboard of a car on a hot day,
and keep it away from heat sources.
• Do not store or use the TC70x/TC75x in any location that is dusty, damp, or wet.
• Use a soft lens cloth to clean the TC70x/TC75x. If the surface of the TC70x/TC75x screen becomes soiled,
clean it with a soft cloth moistened with a diluted window-cleaning solution.
• Periodically replace the rechargeable battery to ensure maximum battery life and product performance.
Battery life depends on individual usage patterns.
Battery Safety Guidelines
• The area in which the units are charged should be clear of debris and combustible materials or chemicals.
Particular care should be taken where the device is charged in a non commercial environment.
• Follow battery usage, storage, and charging guidelines found in this guide.
• Improper battery use may result in a fire, explosion, or other hazard.
• To charge the mobile device battery, the battery and charger temperatures must be between +32ºF and
+104ºF (0ºC and +40ºC)
• Do not use incompatible batteries and chargers. Use of an incompatible battery or charger may present a risk
of fire, explosion, leakage, or other hazard. If you have any questions about the compatibility of a battery or a
charger, contact the Global Customer Support Center.