Sennheiser SD series User Manual page 38

Cleaning and maintaining the headset system
SD Pro2 – HS
1 Carefully remove the ear pad from the ear cup where the battery com-
partment is located.
2 Open the battery compartment.
1
3 Remove the rechargeable battery and carefully loosen the connector
plug of the rechargeable battery.
4 Insert the connector plug of the new rechargeable battery into the con-
nection socket. Observe correct orientation of the connector plug.
5 Replace the battery compartment cover.
6 Reattach the ear pad to the ear cup by pressing firmly around the ear
pad.
3
5
2
4
6
SD Series - User Guide | 37