13
Adjsut the main board
Descriptions:
Reset button: press this button to clear the data of coin saved in main board and reset
the game settings to default settings.
Volume potentiometer: twist this potentiometer with screw driver. Twist clockwisely
to increase the volume, counterclockwisely to decrease the volume.
Battery: this battery have memory function that will provide power to save the data of
coin and game settings in main board when the power is cut off. If the data can not be
save when the power is cut off, please replace the battery.
