7
The Basics
presetting the mixer 
To prevent accidental audio mixing or channel overdrive, adjust the 
mixer’s controls as shown before you turn on power. 
A sudden high output from the mixer could damage audio devices 
connected to the mixer, and could damage your hearing, especially 
if you use headphones. 
presetting the audio devices 
To avoid sudden sound outputs from connected audio devices, 
adjust the volume of the connected audio device to its lowest level. 
Make sure you power off the devices before you connect them to 
the mixer. 
Turn POWER to OFF.
Slide CHANNEL 1-4 to 0 (minimum).
Set MONO/STEREO to MONO.