Sharp UX-BD80 Operation Manual page 44

Volume Adjustment (on the Machine)
Error beep off
The machine normally sounds three beeps to alert you when an error occurs
during transmission, reception, or copying. The machine also sounds a
double-beep when you press an invalid key on the operation panel. If you wish
to turn off the error beep, follow the steps below.
1
Press
2
Press
3
Press
4
Press
to turn off the error beep.
5
Press
End beep off
The fax machine normally sounds one long beep when transmission,
reception, or copying ends normally (for an SMS message, the end beep only
sounds when a message is received, not when a message is sent). If you
wish to turn off the end beep, follow the steps below.
1
Press
2
Press
42
once and
once and 3 times.
once.
to turn on the error beep or
to return to the date and time display.
once and
once and twice.
Display:
4 times.
Display:
4 times.
OPTION SETTING
ERROR BEEP
ERROR BEEP
1=YES, 2=NO
The display briefly shows
your selection, then:
END BEEP
OPTION SETTING
END BEEP