Button overview – Sennheiser BW 900 User Manual
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Button overview
8
Button overview
Button Function See
Headset/handset switch
³
³
• toggle between the office
phone handset (up position) 
and the BW 900 headset 
(down position) 
page 14
Base station hook button
·
·
• accept an incoming call 
• end a call 
page 15
page 16
Headset hook button
ብ
ብ
• accept a call 
• end a call 
• toggle between Bluetooth 
device and office phone
• redial with Bluetooth device 
• activate voice dialling 
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page 16
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Multi switch
ቤ
• adjust the volume (up/down) 
• mute the headset micro-
phone or acoustic signals 
(push) 
• reject calls from the Blue-
tooth device (push)
• switch on/off (push until LED
flashes 3 x blue: on – red: 
off) 
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