VM-3100, VM-3100PRO: Adjusting the Volume and Balance of Signals Output from the BUS OUT jacks
Use the following procedure to adjust the BUS OUT volume and balance:
1) Press SELECT in the MASTER section.
2) Press DOWN CURSOR to display the "(OUTPUT) AUX/BUS" screen.
3) Press RIGHT CURSOR to select "Bout Lev."
4) Rotate the VALUE dial to adjust the volume level.
5) Press DOWN CURSOR to select "Bout Bal."
6) Rotate the VALUE dial to adjust the left/right balance.