FUTABA 12Z Series Instruction Manual page 31

SOUND
This function adjusts the volume of the edit
operation, trim and knob operation, and power ON/
from the transmitter speaker.
[Return Key]
Volume adjustment
*Adjust the speaker volume by turning the data input dial to
the left and right.
*When you want to return to the initial state, push the enter
button for 1 second. The arrow returns to the center position.
[Cursor Lever]
[Data Input Dial]
PUSH
[Enter Button]
<Functions of System Menu> 31