User Manual

4. Maintenance and service
Refer to the local dealer for supply of accessories. Hereafter are some precautions for usage of
the accessories，Only use batteries, chargers and accessories approved by the manufacturer.
Usage of other types of batteries, chargers and accessories may result in violence of the
certification or warranty terms or even lead to danger，Keep the equipment dry，Don't keep the
equipment in under cooled places; otherwise, when the temperature rises to normal, moisture
may be generated within the equipment, resulting in damage of the circuit board. .Only use
matched or approved antenna .