CHAPTER 7: MAINTAINING YOUR WINBOOK FX
ABOUT THIS CHAPTER
This chapter presents information about procedures that will help avoid problems and extend the
life of you r WinBook FX. It is divided into 2 sections:
Environment Considerations:
Ways the WinBook FX might affect the environment, and
the main ways the environment can hurt your WinBook FX
Maintenance Procedures:
Preventive maintenance procedures you should use on a regular
basis
ENVIRONMENTAL CONSIDERATIONS
Temperature
Temperature effects on batteries
Humidity
Altitude
Electromagnetic interference
Battery disposal
Dust accumulation
Temperature
High and low temperatures can damage electronic components. Avoid using your WinBook FX
in temperatures below 50ºF (10ºC) or above 95ºF (35ºC). Note that these temperatures are not
the extreme. Caution should be taken when using the WinBook FX outside an air-conditioned
environment; components in a computer operating in sunshine through a window in a non-air-
conditioned building can reach high temperatures.
WARNING:
Be careful when storing or shipping your WinBook FX so that it is not exposed to
temperatures below -4ºF (-20ºC) or above 140ºF (60ºC). Remember that car trunks and other
storage areas can reach temperature extremes.[FX 7-2]
Temperature Effects on Batteries
The batteries are specified to work from 41º to 95ºF (5º to 35ºC). Running your WinBook FX in
temperatures below 41ºF or above 95ºF will reduce the battery life.
The batteries are designed so that if the temperature is too high, the charging circuit is cut off and
the batteries will not charge. A safety switch in the battery causes this module that is aimed at
prevention over-charging. So if you leave a battery in the sun on the dashboard of your car, don’t
be surprised if it doesn’t charge when inserted into
the WinBook FX. Once the battery cools down, you will be able to charge it. At the other
extreme, if the batteries get too cold, it will take up to twice as long to charge them or they may
not fully charge.
Humidity
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