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NEC DECT M166 Communicator Operation State LEDs Button 2 Microphone On/Off button with blue LED Headset / Pull cord jack Button 1 with blue LED Speaker Charger/Connector...
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Charging Before using the M166 it is necessary to charge the unit for 24 hours. To charge the device, place it in the desktop charger, the red LED will indicate that it is charging. Power On and Off The power button is on the right hand side of the unit and is marked with this symbol Ɵ. To power on the device, press the power button briefly.