Changing The Battery During A Call - Sennheiser BW 900 Instruction Manual

Changing the battery during a call

If you have a second, fully charged battery, you can replace a flat battery
even during an office phone call as follows:
Note:
Do not take the battery out of the headset during a Bluetooth device
call as this will interrupt the phone link immediately!
Take the flat battery out of the headset.
The headset LED goes off and the hook LED
ing the headset is not received (out of transmission range).
The call is briefly interrupted, however, the call is held by the base sta-
tion for 40 seconds.
Take the fully charged battery out of the spare battery charging
slot and insert it into the headset.
The headset LED flashes blue three times indicating the headset is
switched on. Subsequently the headset LED
5 seconds to indicate that the headset is in standby mode and a ring
tone is heard via the headset.
Press the headset hook button
The call is resumed.
Insert the flat battery into the spare battery charging slot
The spare battery charging LED
battery is being recharged.
lights up red indicat-
flashes blue once every
.
lights up red to indicate that the
Basic settings
.
19