To save energy, unplug the charger when not inuse. The charger does not have a power switch,so you must unplug the charger from the electricsocket when not in use to avoid wasting power.The charger should remain close to the electricsocket and easily accessible while charging.Turning the device on or offTurning the device onPress and hold [ ], and then enter the PIN and press<OK>, if necessary.Turning the device offPress and hold [ ].If the battery is fully discharged or removed fromthe device, the time and date will be reset.