Sharp FO-A760 Operation Manual page 20

Volume Adjustment
Key Tone setting
The machine normally sounds a beep
each time you press a key on the
operation panel. This confirms that the
key has been correctly pressed.
If desired, you can turn off the beep
sound. Follow the steps below.
1 F
Press ,
2
Press (YES) to turn on the
beep sound.
Press (NO). to turn off the
beep sound.
3
Press
16
, and .
to exit.