Sennheiser DW Pro1 Instruction Manual page 35

Cleaning and maintaining the headset system
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Pro2 headset
Carefully remove the ear pad
compartment is located.
Open the battery compartment cover
diagram).
Remove the battery compartment cover
Remove the rechargeable battery and carefully loosen the connector
plug of the battery cable.
Insert the connector plug of the new rechargeable battery into the
connection socket. Observe correct orientation of the connector plug.
Replace the battery compartment cover
The battery compartment cover
Reattach the ear pad to the ear cup by pressing firmly around the ear
pad until you hear it lock into place.
Charge the new rechargeable battery (see "Charging the headset
rechargeable battery" on page 22).
from the ear cup where the battery
using your finger nail (see first
.
onto the ear cup.
locks into place.
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