Altec Lansing BackBeat 903 User Manual page 11

Headphones Phone Controls and Indicators
Action
Check battery With headphones
power powered on, tap the
power/pairing button.
The indicator flashes
red to show the
charge level.
Low battery None
indicator
Mute/unmute the Press in the volume/
call (call in progress) tracking/mute button.
Indicator Light
Red flashes: Battery level:
1 More than 2/3 full
2 1/3 - 2/3 full
3 Less than 1/3 full
3 red flashes every 10 seconds
None
Tone
None
3 high tones every 10
seconds
Low and high tone to
mute, then a single low
tone every minute. High
and low tone to unmute.
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