User manual PLANTRONICS BACKBEAT 903

[. . . ] When fully charged, LED will turn blue until unplugged. Do not use your headphones or Bluetooth adaptor while they are connected to the charger. 2 3 NOTE Always charge at near room temperatures; never charge battery at temperatures below 0ºC (32ºF) or above 40ºC (104ºF). CHARgIng TIMe 3 hours . . . . . . . . . . . . . . . . . . . Full charge [BackBeat 906 shown] 1 hour . . . . . . . . . . . . . . . . . . . . . Minimum charge before first use 4 Pairing Your Headphones and Phone/Device 1 2 3 Turn on your phone's or device's Bluetooth® feature. With the headphones powered off, press and hold the Power/Pairing button until the LED indicator flashes blue and red. [. . . ] On: 4 blue flashes, then fade in None Missed call indication LED triple purple flash None for 5 minutes EN 11 Headphones Music Controls and Indicators Action Play music Tap the play/pause button. Indicator Light None None Tone None None Low-high-low tones when disabling. Single low tone for each track change. OpenMic pause Tap the play/pause button when to hear music is playing. Disable While playing music, press and None OpenMic during hold the mute button for 3 seconds. music pause OpenMic feature will not activate during next music pause. Repeat action to enable OpenMic feature. Move forward or back one track Press and hold the volume/tracking/ None mute button forward or backwards for each track. 12 Headphones Music Controls and Indicators Action Answer a call while listening to music Reject a call while listening to music Adjust the volume of music Boost the bass Tap the call control button. Indicator Light 3 blue flashes (repeating) while phone is ringing. Blue flash every 2 seconds while on a call. None Tone 3 low tones (repeating) while phone is ringing. Single low tone when call connects or when disconnects. Single long low tone Press and hold the call control button for 2 seconds. Tap the volume/tracking/mute button forward or backward. None Brief low tone (2 low tones when volume limit is reached) Ascending tones when activating. Descending tones when deactivating. Press and hold the play/pause None button for 2 seconds when music is playing. NOTE To wirelessly stream stereo music or audio from a device to your headphones, your Bluetooth device must support the Bluetooth Advanced Audio Distribution Profile (A2DP) profile. To control music playback with your headphones, your Bluetooth device must also support the Audio/Video Remote Control Profile (AVRCP). The Bluetooth adaptor does not support the AVRCP profile, so you must use the controls on your device to control music playback. 13 EN Range Bluetooth wireless technology provides a way for devices to communicate with each other using shortrange radio frequency instead of wires. Any two Bluetooth devices can communicate as long as they both have Bluetooth turned on, they are within range, and they have been paired. To maintain a connection, keep your headphones within 33 feet (10 meters) of your Bluetooth phone or adaptor. Ensure that your mobile phone is located on the left side of your body and that there are no obstructions between it and your headphones. If there are obstacles between your headphones and the phone or adaptor you may experience interference. [. . . ] Volume is too high/low when Check the volume of the audio source device. listening to audio, but fine Adjust the volume control on the headphones. I cannot make a VOIP call using the adaptor. The adaptor is only intended for audio listening. [. . . ]