Sound is distorted.

There are two possible causes.

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

If the sound is distorted even after the input/output level has been adjusted, the level may exceed the power amplifier's maximum allowable input level. Set an appropriate level using [MASTER　OUT][ ATT] at the Setting Utility . The level can be attenuated by 25% at -12dB, by 50% at -6 dB, . This setting does not affect the master level indicator.

You can download the Operating Instructions at this pgae.