Altec Lansing BackBeat 903 Getting Started page 9

Wireless headphones
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Headphones Phone Controls and Indicators
Action
Mute/unmute the
Press in the volume/
call (call in progress)
tracking/mute button.
Adjust the call
Tap the volume/tracking/mute
volume (call in
button forward (+) or
progress)
backward (-).
Do not use headphones at high volumes for an extended period of time. Doing so can
WARNING
cause hearing loss. Always listen at moderate levels. See
more information on headphones and hearing.
Indicator Light
Tone
None
Low and high tone to
mute, then a single low
tone every minute. High
and low tone to unmute.
None
Brief low tone (2 low
tones when volume limit
is reached)
www.alteclansing.com/headphonesafety
for
9

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