User manual SENNHEISER BW 900

[. . . ] · Only charge in the BW 900 base station!Never try to charge batteries other than those supplied with the BW 900 headset in the base station!· Do not short-circuit or expose to moisture. · When not using rechargeable batteries for extended periods of time, charge them regularly (about every three months). [. . . ] Make a test call to someone who will help you to find the correct sensitivity setting for your microphone. Speak to the other party by alternately using the handset (headset/handset switch ³ is in the "up" position) and the headset (headset/handset switch ³ is in the "down" position), always starting with the handset. While the headset/handset switch ³ is in the "down" position, turn the microphone volume knob µ. 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 6 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 devices 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 automatically returns to standby mode. 3 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 º. 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. To end the call, press the base station hook button · or the headset hook button and hang up the handset. 7 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 confirmation beep is heard in the headset. A headset symbol appears on the mobile phone`s display. To end the call, press the headset hook button . Switching between headset and office phone handset If you want to use your office phone: Release the headset/handset switch ³ to the "up" position. If you want to use your headset: Press the headset/handset switch ³ to the "down" position. 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. 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. 4 Table of the most important displays Headset. . . . . . [. . . ] Press the headset hook button or the base station hook button · and hang up the handset. in the During the conversation, push the multi switch "up" or "down" direction. Redialing the last number (mobile phone only) Ending an office phone call Ending a mobile phone call Changing the headset speaker volume Changing the ring tone volume Muting the ring tone on a call from the office phone Rejecting a call on the mobile phone Setting the headset to pairing mode Push the multi switch in the "up" or "down" direction while the phone is ringing or the headset is in standby mode. Press the multi switch in the "push" direction. The ring tone is muted only for the current call. [. . . ]