Sennheiser BW BW 900 Originalbetriebsanleitung

Safety information

The headset is capable of

producing high sound pressure

levels that may cause permanent

hearing damage. Please avoid

listening at high volume levels.

Never disassemble or modify

components of the BW 900

system!

Use the BW 900 system in dry

rooms only and keep liquids and

small electrically conductive parts

away from it. Only to be used

with Sennheiser Communications

supplied approved and certiﬁed

power supply (EU 094707,

UK 092892, US 092893,

AUS 520334).

For cleaning the BW 900 system,

use a dry cloth only. Do not use

any solvents or cleansing agents.

Sennheiser Communications

does not accept any liability for

damage arising from the loss of

connection due to a ﬂat battery or

the like or an exceeded transmit-

ting range.

If you combine the BW 900 sys-

tem with any accessories such as

a handset lifter, follow the instruc-

tions supplied with them.

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Safety information on recharge-

able batteries:

Only charge at ambient tempera-

tures between 10 °C (50 °F) and

40 °C (104 °F).

Only charge in the BW 900 base

station! Never try to charge bat-

teries other than those supplied

with the BW 900 headset in the

base station!

Do not short-circuit or expose to

moisture.

Keep away from children.

When not using rechargeable

batteries for extended periods

of time, charge them regularly

(about every three months).

Do not continue to use defective

rechargeable batteries. Immedi-

ately remove rechargeable bat-

teries from obviously defective

devices.

Do not heat above 70 °C (158 °F)

or incinerate!

Dispose of according to the laws

and regulations of your country.

왘

•

Intended use

The BW 900 system is an accessory

for ﬁxed-line and mobile phones,

allowing for wireless communication

in ofﬁce and home ofﬁce

applications.

Improper use

“Improper use” means using the

BW 900 system other than as

described in these instructions, or

under operating conditions which

differ from those described herein.

ENGLISH

BW 900 base station

operating elements

Headset/handset switch

Base station hook button

Headset charging LED

Spare battery charging LED

Hook LED

Mute LED

Spare battery charging slot

Headset cradle

Program button

Microphone volume knob

Telephone adjustment switch

HANDSET socket

PHONE socket

ACCESSORIES socket

DC IN socket

BW 900 headset operating

elements

Microphone boom

Hinged speaker

Multi switch

Headset hook button

Battery compartment

Headset LED

Speaker adapters

For more detailed information

on setting up and operating the

BW 900 system, please refer to

the manual provided as PDF on

CD.

Connecting the base

station to the telephone

Disconnect the ofﬁce phone hand-

set Awith its cable from the

ofﬁce phone, but leave the hand-

set on the phone.

Plug the free handset cable con-

nector to the HANDSET socket 

of the base station.

The phone connecting cable is

already connected to the PHONE

socket . Connect the other end

of this cable to the socket on

the ofﬁce phone from where the

handset cable was removed.

Connect the power supply Cto

the DC IN socket and to the

mains.

All LEDs light up for 2 seconds.

If you wish to connect a handset lif-

ter B, connect it to the ACCESSORIES

socket  as described in the handset

lifter manual. If you wish to connect

a PC, refer to the manual provided

as PDF on CD or www.senncom.

com/bw900.

Setting up the headset

Insert the battery into the head-

set. The headset LED ﬂashes

blue three times, indicating that

the headset is switched on.

If the headset does not switch on

automatically, see “Charging the

battery” and “Switching on/off”

on page 4.

Expand the speaker .

Put the headset on your right or

left ear.

Close the speaker for a ﬁrm ﬁt.

왘

If the pre-assembled medium size

earpeace adapter does not ﬁt

your ear, exchange the earpeace

adapter for a larger or smaller

one.

Turn the microphone towards

your mouth.

Testing the setup

Release the headset/handset

switch to the “up” position.

Pick up the handset Afrom your

ofﬁce phone. If a dial tone is

heard in the handset, the system

is connected properly. If no dial

tone is heard, please refer to the

section “Adjusting the system to

your ofﬁce phone“ on page 3.

Adjusting the system to your

ofﬁce phone

Press the headset/handset

switch to the “down” position.

Put on the headset and adjust it

for comfort.

Press either the headset hook

button or the base station

hook button .

Adjust the telephone adjustment

switch to A, B or C so that the

dial tone can be heard loud and

clear in the BW 900 headset.

Turn the microphone volume

knob to position 1.

Pick up the handset from your

ofﬁce phone and hold it to your

other ear.

Make a test call to someone who

will help you to ﬁnd the cor-

rect sensitivity setting for your

microphone.

왘

Speak to the other party by

alternately using the handset

(headset/handset switch is in

the “up” position) and the head-

set (headset/handset switch is

in the “down” position), always

starting with the handset.

While the headset/handset

switch is in the “down” posi-

tion, turn the microphone volume

knob . The setting is correct

when the other party hears you

at the same volume, irrespective

of whether you use the headset

or the handset.

To adjust the speaker volume,

push the multi switch in the

“up” or “down” direction.

To end the call, press either the

headset hook button or the

base station hook button and

hang up the handset.

Pairing the headset to a

mobile phone

Simultaneously press and hold

the headset hook button and

the multi switch (in the “push”

direction) until the headset

LED alternately ﬂashes red and

blue.

Start a search for Bluetooth de-

vices on your mobile phone (see

the mobile phone manual).

If your mobile phone prompts

for a keyword, enter four zeros

(0000).

If no connection is established within

60 seconds, the headset automati-

cally returns to standby mode.

왘

ENGLISH

Charging the battery

When charging the battery for the

ﬁrst 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 ofﬁce phone handset

If you want to use your ofﬁce phone:

Release the headset/handset

switch to the “up” position. Your

ofﬁce 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 ofﬁce phone

Put on the headset and adjust it for

comfort.

Press the base station hook

button or the headset hook

button .

Lift off the ofﬁce phone handset

(if a handset lifter is installed, the

handset is lifted automatically).

Dial/talk.

왘

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 conﬁrma-

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 ﬂashes

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

To switch on/off the base station:

Plug/unplug the power supply.

왘

Function Button(s) to be pressed

Switching the headset

on/off Press and hold down the multi switch (in the “push“

direction) until the head-set LED ﬂashes three times

(red = off, blue = on).

Activating the headset Press the headset/handset switch to the “down”

position.

Activating the ofﬁce phone

handset Release the headset/handset switch to the “up”

position.

Accepting an ofﬁce phone

call Press the headset hook button  or the base station

hook button and lift the handset.

Accepting a mobile phone

call (mobile phone rings) Keep the headset hook button  pressed until a conﬁr-

mation beep is heard in the headset.

Making a call via the ofﬁce

phone Press the headset hook button  or the base station

hook button and lift the handset, then dial.

Table of the most important operations

Table of the most important displays

Headset... Indication in standby mode Indication during a call

... is within the

range of the

base station

The base station hook LED 

is off. The base station hook LED is

constantly blue.

The headset LED ﬂashes

blue once every ﬁve seconds. The headset LED ﬂashes blue

once every second.

... is out of the

range of the

base station

The base station hook LED is red constantly. Calls are only possible

via the mobile phone.

The headset LED ﬂashes

blue twice every ﬁve seconds. The headset LED ﬂashes blue

once every second.

... microphone

muted

– The mute LED is constantly red.

A beep is heard in the headset

every ﬁve seconds.

... connected to

a mobile phone

A headset symbol appears on the mobile phone‘s display.

... battery is

ﬂat

The base station hook LED and the headset LED ﬂash three

times red every 15 seconds. Three low frequency beeps are heard in

the headset after 15, 30 and 45 seconds.

... is ringing The base station hook LED 

and the headset LED ﬂash

quickly.

–

ENGLISH

Function Button(s) to be pressed

Establishing a Bluetooth

connection between head-

set and mobile phone

Press and hold down the headset hook button  until a

conﬁrmation beep is heard or quickly press the headset

hook button  twice.

Making a call via the mobile

phone Make sure that a Bluetooth connection is established

between headset and mobile phone, then dial as usual.

Transferring a current call

from the mobile phone to

the headset

Press and hold down the headset hook button  until a

conﬁrmation beep is heard or quickly press the headset

hook button  twice.

Transferring a current call

from the headset to the

mobile phone

Please refer to your mobile phone‘s manual or switch off

the headset.

Voice dialing (if supported

by your mobile phone) Make sure that a Bluetooth connection is established

between headset and mobile phone, press and hold down

the headset hook button  until a conﬁrmation beep is

heard, then speak.

Redialing the last number

(mobile phone only) Make sure that a Bluetooth connection is established

between headset and mobile phone, quickly press the

headset hook button  twice.

Ending an ofﬁce phone call Press the headset hook button  or the base station

hook button and hang up the handset.

Ending a mobile phone call Press the headset hook button .

Changing the headset

speaker volume During the conversation, push the multi switch in the

“up” or “down“ direction.

Changing the ring tone

volume Push the multi switch in the “up” or “down“ direction

while the phone is ringing or the headset is in standby

mode.

Muting the ring tone on a

call from the ofﬁce phone Press the multi switch in the “push“ direction. The ring

tone is muted only for the current call.

Rejecting a call on the mo-

bile phone Press the multi switch in the “push“ direction while

the mobile phone is ringing.

Setting the headset to

pairing mode Simultaneously press and hold the headset hook

button and the multi switch (in the “push“

direction) until the headset LED alternately ﬂashes red

and blue.

Muting/unmuting the head-

set microphone During the conversation, press the multi switch in the

“push“ direction.

Switching between your

mobile and ofﬁce phone Press and hold down the headset hook button until a

conﬁrmation beep is heard in the headset. The current

call is ended. The connection to the other phone is esta-

blished.

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