Holux Portable Automobile Navigation System - Manual (Page 40)

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Normal Care and Maintenance
To ensure the unit’s normal operation and extended life span, please
note the following while using and storing:
Keep dry
This product is not water proof. If it comes into contact with water
spray or is submerged it will seriously damage the components,
resulting in irreversible damage.
Please do not drop
If violently impacted or shocked, it might cause serious damage to the
unit.
Avoid sudden temperature changes
Condensation might happen when entering a warm room on a cold day.
To prevent condensation from damaging the unit, please place into an
airtight plastic bag before sudden temperature changes.
Keep away from strong fields
When using or storing, please keep away from strong
electromagnetic/radioactive or magnetic field equipment.
Operating temperature
The products operating temperature is between -10° and 55°C; please
do not operate under extreme temperatures.
Avoid sunlight exposures
Please avoid long periods of sunlight or high temperature exposure.
Using the stylus
The LCD screen is easily scratched; please use only the stylus for
operation. Do not use any other sharp objects on the screen to avoid
damaging the LCD screen.