Remote Technologies IR-PRO T3 - Manual (Page 25)

T3 Universal System Controller
18
SOUND
This button displays a window that allows you to adjust the
volume of the audible speaker. The speaker sound provides
feedback that a button was pressed. Press the arrows to the left or
right to adjust the volume. Press the
OK
button when finished.
There are six discrete volume settings. The lowest setting disables
the speaker.