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Setting up the BW 900 system 

 

9 

f 

Insert the battery into the headset’s battery compartment. 
The headset LED 

 flashes blue every 5 seconds to indicate that the 

headset is in standby mode. 

Note 

If the headset is not switched on automatically, the battery is flat and 
must be charged as described under “Charging the battery” on 
page 18. 

 

 

 

f 

Put the headset on. You can wear the headset on either the left or 
right ear without changing the headset. 

f 

Close the speaker housing so that the headset firmly fits your ear. 

 

 

 

 

 

f 

Then adjust to your own comfort level by opening the housing just a 
few millimetres. 

Note: 

If the pre-installed speaker adapter 

 size “M” does not fit your ear, 

clip on the smaller or larger one. 

f 

Turn the microphone boom 

 towards your mouth. The optimal mi-

crophone position is two cm from the corner of the mouth. 

 

f 

Disconnect the handset 

A

 from your office phone, but leave it on the 

phone. 

f 

Plug the free handset cable connector to the BW 900 HANDSET 
socket 

. 

f 

Connect the cable which is already connected to the base station 
(PHONE socket

 

) to the office phone socket where the handset cable 

was connected before. 

f 

Connect the power supply to the DC IN socket 

 

and to the mains.  

All LEDs light up for 2 seconds. 

 

2 cm

 

2 cm