Sennheiser S1 DIGITAL User Manual page 10

Putting the S1 DIGITAL into operation
Power supply via two batteries/rechargeable batteries
1 Open the cover of the battery compartment on the control unit.
2 Insert two AA size batteries/rechargeable batteries. Observe correct
polarity.
3 Close the cover of the battery compartment.
1
When you switch the headset on (see page 16), the Power LED
information on the remaining battery/rechargeable battery capacity.
LED lights up yellow: The battery/rechargeable battery capacity is suffi-
cient.
LED lights up red: The batteries/rechargeable batteries are flat.
Type of use Type
TM Alkaline batteries/recharge-
NoiseGard /digital
able batteries
Lithium batteries
TM Alkaline batteries/recharge-
NoiseGard /digital
able batteries
and Bluetooth technol-
ogy
Lithium batteries
If the battery capacity is low, the headset automatically switches off to
protect the batteries/rechargeable batteries from total discharge and
leakage.
Replace the batteries or recharge the rechargeable batteries.
2
H
provides
Operating time
approx. 25 hrs
approx. 40 hrs
approx. 15 hrs
approx. 25 hrs
S1 DIGITAL | 9