Operation
Alert tones
Alert tones
Headset alert tones
Three quick
beeps.
1 short beep
every 20
seconds.
1 short beep
every 15
seconds.
1 long beep
repeated.
1 short beep.
•
VOLUME
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 is out of range
from the headset base
during a call.
Low battery warning.
The call is muted.
Call waiting alert tone.
When the headset ON/OFF
key is pressed to go on-hook
or off-hook.
29
keys are
+ –