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Appendix
Indicator lights and alert tones
Appendix
LINE 1/LINE 2 indicator
On when the telephone
line is in use.
Flashes slowly when the
call is on hold.
Flashes rapidly when there
is an incoming call.
Lighted display
MUTE indicator
On when the corded handset
microphone, speakerphone
or headset is muted.
SPEAKER indicator
On when the
speakerphone is on.
HEADSET indicator
On when the
headset is in use.
Indicator lights
Alert tones
Confirmation tone
(3 ascending beeps)
The command has been completed successfully.•
Error tone
(2 quick beeps)
You press REDIAL when the redial list is empty.
No headset is plugged into the telephone base when you press
HEADSET.
The requested task cannot be completed due to missing
information or an input error.
•
•
•
Four beeps You press VOL+ or VOL- when the volume has already reached
its highest or lowest setting.
•
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