27• To reset the device from time to time for optimumperformance, power off the device and remove the battery.These suggestions apply equally to your device, battery, charger,or any enhancement. If any device is not working properly, take itto the nearest authorized service facility for service.Additional safety information■ Small childrenYour device and its enhancements may contain small parts.Keep them out of the reach of small children.■ Operating environmentThis device meets RF exposure guidelines when used either in thenormal use position against the ear or when positioned at least2.2 centimeters (7/8 inches) away from the body. When a carry case,belt clip, or holder is used for body-worn operation, it should notcontain metal and should position the device the above-stateddistance from your body.To transmit data files or messages, this device requires a qualityconnection to the network. In some cases, transmission of datafiles or messages may be delayed until such a connection isavailable. Ensure the above separation distance instructions arefollowed until the transmission is completed.