5Headset and remote control unitYou can use the headset to handle calls and to listen tomusic on your Nokia N73 Music Edition device.Insert the headset plug into the headset connector ofthe remote control unit. Insert the Pop-Port plug of theremote control unit into the Pop-Port connector on yourdevice. The headset is now ready for use.To make a call, enter the number on the devicekeypad as you do when the remote control unit is notconnected to your device. During the call, speak into themicrophone of the remote control unit. To answer andend phone calls, press .To control the music player, use the media keys of theremote control unit. To adjust the earpiece volume, press the volume key on the side of theremote control unit. To lock the remote control keys, slide the lock switch on the side of theremote control unit.Switch the device on1. Press and hold the power key ( ).2. If the device asks for a (U)PIN code or lock code, enter it, andpress . The factory setting for the lock code is 12345.