AT&T TL7600 Headphones User Manual


 
23
Operation
Headset alert tones
Three quick
beeps.
VOLUME + – keys are
pressed when the volume
is already at its highest or
lowest setting.
The headset is not
registered and the headset
ON/OFF button was
pressed.
The headset has gone out
of range from the headset
base during a call.
1 short beep
every 20
seconds.
Low battery warning.
1 short beep
every 15
seconds.
The call is muted.
1 long beep
repeated.
Call waiting alert tone.
1 short beep. When the headset ON/OFF
key is pressed to go on-hook
or off-hook.
Alert tones
Alert tones