AT&T 5840 - Manual (Page 39)

TONES AND WHAT THEY MEAN
TONE: INDICATES:
Three quick beeps Battery charge is low
One beep Handset registration is complete
— OR —
A programming command is successfully
completed
One long beep Indicates an error in programming
— OR —
Handset is out of range of the base
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TELEPHONE OPERA
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TELEPHONE OPERA
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5840_CIB_2ATT 2002.11.7 5:49 PM Page 36