Putting the S1 DIGITAL into operation
8 | S1 DIGITAL
Putting the S1 DIGITAL into operation
Connecting the headset to the intercom
Powering the headset
There are different options for powering the headset:
• Connection to the on-board DC power supply system (12 – 35 V
DC
) via
a mounted 3-pole XLR socket or the cigarette lighter socket
• Power supply via two batteries/rechargeable batteries inserted in the control
unit (to be ordered separately)
Connection via a 3-pole XLR socket
The Adapter-P-XLR-3 adapter cable (optional accessory available from your
Sennheiser partner) allows you to connect the headset to the on-board DC power
supply system (12 – 35 V
DC
) via a mounted 3-pole XLR socket.
̈ Connect the jack plugs of the control unit
to the corresponding jack sockets of your
intercom.
Jack plug of the control unit Jack socket of the intercoms
5.25 mm jack plug L Microphone input
¼” (6.35 mm) jack plug M Headphone output
CAUTION
Danger of short circuit!
Technical defects can cause a short circuit.
̈ Before putting the headset into operation, ensure that the socket of the on-
board DC power supply system is protected by a 1 A fuse.
̈ Have a 3-pole XLR socket (optional accessory)
mounted by a technician qualified to perform this
type of installation.
̈ Connect the Adapter-P-XLR-3 adapter cable to the
mounted 3-pole XLR socket.
̈ Connect the hollow jack plug of the adapter cable
to the hollow jack socket on the control unit.
