User's Manual

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may result in damage of the inner circuit board and its exquisite structure.
7. Don't clean the equipment with ardent chemical, detergent or strong wash.
8. Don't paint any dyestuff on the equipment. Painting may block foreign substances
in detached parts and thus affect the normal operation.
9. Clean the lens with clean, dry soft cloth (such as the camera lens, range sensor and
light sensor).
10. Only use matched or approved antenna for substation of the damaged one.
Unapproved antenna, alteration or accessories may result in damage of the
equipment and violence of relevant specifications on radio equipment.
11. Please use the charger in indoor area.
12. Back up data that should be kept (such as the address directory and calendar
memorandum).
13. Please turn off the equipment and take out the batter to restore the equipment
setting irregularly to maintain the optimal performance.
14. The above suggestions also apply to your equipment, battery, charger and other
accessories. In case any device doesn’t work, please take it to the nearest
authorized maintenance agency for repair.
6. Important safety instructions
 Medical mobile phone
The operation of any radio transmitting mobile phone (including wireless telephones) is
likely to interfere with the functionality of medical mobile phone that is not properly
protected. For any question or doubt on whether medical mobile phone can shield external
radio frequency energy, please consult the physician or the manufacturer of medical mobile
phone. Please switch off your mobile phone wherever it is expressly required that electronic
mobile phones shall be turned off.
 Automobile
Mobile phone can be repaired by professionals or be installed by them on an automobile.
Improper installation or repair may cause danger or invalidate the warranty of mobile phone.
Periodically check whether all wireless phones in automobile are properly installed or operate
smoothly. Do not store or transport mobile phones and their components or accessories
together with combustible liquids, gases or explosives in the same cargo compartment. For an