Sennheiser SpeechLine Digital Wireless Series System Documentation page 170

Connecting the CHG 2W charging base to the power
supply system
To connect the CHG 2W charger to the power supply system:
►
Connect the cable end of the power supply unit to the socket at the
▷
base of the charger.
Make sure you insert the plug all the way. You should feel it lock into
▷
place.
▷ Guide the cable through one of the two cable guides at the base of the
charger so that the charger is stable once in position.
▷ Plug the power supply unit into a wall socket.
The CHG 2W charging base
169