Alert tones & indicator lights – AT&T 983 User Manual
Page 24
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21
Appendix
Alert tones & indicator lights
Alert tones
Command completed successfully.
Two beeps
Indicator lights
LINE
Red:
• On when the line is in
use.
-OR-
On when the line is
not connected to the
wall jack.
• Flashes when the line
is on hold.
Green:
• Flashes while an
incoming call is ring-
ing.
(AUTO) REDIAL
On when the auto redial
feature is activated.
HEADSET
On when the headset
is in use.
MUTE
On when microphone
is muted.
SPEAKER
• On when the speakerphone
is in use.
• Flashes when the telephone
is attempting an auto redial
call.
OPER
PQRS
TUV
WXYZ
ABC
DEF
GHI
JKL
MNO
MIC
You have made a mistake.
Five beeps
Three beeps
The volume level is at the maximum or minimum
setting.
Low battery or no battery warning.
Four beeps
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