User`s guide
Chapter Seven- Maintenance and Service 
 Cleaning   
ALWAYS turn OFF the power, unplug the power cord and remove the battery 
before cleaning. 
The exterior of the system and display may be wiped with a clean, soft, and 
lint-free cloth. If there is difficulty removing dirt, apply non-ammonia, 
non-alcohol based glass cleaner to the cloth and wipe.   
An air gun is recommended for cleaning water and dust. For salty water please 
clean with fresh water then blow-dry with an air gun. Be sure not to turn the 
computer up side down while there is water being applied. 
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