Sennheiser BW 900 User Manual download pdf (Page 19)

Basic settings

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!

f Take the flat battery out of the headset.

The headset LED  goes off and the hook LED  lights up red indicat-

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.

f 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  flashes blue once every

5 seconds to indicate that the headset is in standby mode and a ring

tone is heard via the headset.

f Press the headset hook button .

The call is resumed.

f Insert the flat battery into the spare battery charging slot .

The spare battery charging LED  lights up red to indicate that the

battery is being recharged.











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Sennheiser BW 900 User Manual Page 19