21
9.2
Volume adjustment
Volume Adjustment
1)Open the coin door and find the volume potentiometer on amplifier
board, adjust the volume by turning it. Turn the potentiometer
clockwise to make the sound louder; turn counterclockwise to
make it smaller.
2 ) Open the coin door and adjust according to 8.2 setting
instruction on main menu. Adjust the percentage of volume, the
percentage is higher and sound is louder; the percentage is
lower and the sound is lower.
The main method for adjusting volume is to set on menu.
Amplifier
Board
Amplifier Board Volume Potentiometer
! Attention
Please turn the volume potentiomenter slowly. Do not turn to the
rightmost position at one time to prevent the sudden increase of
the volume output current and burn the speaker.