Sennheiser BW 900 Manual download pdf (Page 4)

Charging the battery

When charging the battery for the

ﬁ rst time, charge it for at least four

hours without interruption.

To charge the battery in the headset:

Place the headset in the headset

cradle

. The headset charging

LED

 lights up red. When charging

is complete, the LED

 turns blue.

To charge a second battery (optional):

Insert the second battery into the

spare battery charging slot

. The

spare battery charging LED

 lights

up red. When charging is complete,

the LED turns blue.

Switching between headset

and ofﬁ ce phone handset

If you want to use your ofﬁ ce phone:

Release the headset/handset

switch

 to the “up” position. Your

ofﬁ ce phone works as usual.

If you want to use your headset:

Press the headset/handset

switch

 to the “down” position.

Making/accepting a call with

your ofﬁ ce phone

Put on the headset and adjust it for

comfort.

Press the base station hook

button

 or the headset hook

button

.

Lift off the ofﬁ ce phone handset

(if a handset lifter is installed, the

handset is lifted automatically).

Dial/talk.

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To end the call, press the base sta-

tion hook button

 or the headset

hook button

 and hang up the

handset.

Making/accepting a call with

your mobile phone

Put on the headset and adjust it for

comfort.

Press and hold down the headset

hook button

 until a conﬁ rma-

tion beep is heard in the headset.

A headset symbol appears on the

mobile phone‘s display.

Dial/talk.

To end the call, press the headset

hook button

.

Switching on/off

To switch on/off the headset when it

is not placed in the headset cradle:

Press and hold down the multi

switch

 (in the “push” direction)

until the headset LED

 ﬂ ashes

three times (red = off, blue = on).

To switch on/off the base station:

Plug/unplug the power supply.

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