Plantronics BackBeat 903 User Manual - Page 11
Action, Indicator Light - won t charge
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Headphones Phone Controls and Indicators Action Indicator Light Tone Check battery power With headphones Red flashes: powered on, tap the 1 power/pairing button. 2 The indicator flashes 3 red to show the charge level. Battery level: More than 2/3 full 1/3 - 2/3 full Less than 1/3 full None Low battery indicator None 3 red flashes every 10 seconds 3 high tones every 10 seconds Mute/unmute the Press in the volume/ None call (call in progress) tracking/mute button. Low and high tone to mute, then a single low tone every minute. High and low tone to unmute. EN 9
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9
EN
Headphones Phone Controls and Indicators
Action
Indicator Light
Tone
Check battery
power
With headphones
powered on, tap the
power/pairing button.
The indicator flashes
red to show the
charge level.
Red flashes: Battery level:
1
More than 2/3 full
2
1/3 - 2/3 full
3
Less than 1/3 full
None
Low battery
indicator
None
3 red flashes every 10 seconds
3 high tones every 10
seconds
Mute/unmute the
call (call in progress)
Press in the volume/
tracking/mute button.
None
Low and high tone to
mute, then a single low
tone every minute. High
and low tone to unmute.