Sound is distorted.

1. Is [MASTER LEVEL] set to the proper position? Adjust [MASTER LEVEL] so that the orange indicator on the master level indicator lights at the peak level.

2. Is [TRIM] set to the proper position? Adjust [TRIM] so that the orange indicator on the channel level indicator lights at the peak level.

For details on the above, see "Basic Operations (Mixer Section)" in the operating instructions.