[. . . ] Power Switch Press this switch to turn the power on, press again to turn the power off. [. . . ] Talkover Control When you talk into the microphone, the music level will drop automatically with the chosen decibel range. Monitor Switches (PFL) With this switch you can select the output of the chosen channel. Assign Switch With these 2 switches you can choose between which 2 channels you would like to crossfade. Punch Button When the crossfader is on the right side, you can mix in the left assigned channel just by pushing on the left Punch button (and vice versa). Crossfader With this horizontal slider you can move from one channel to an other (see 13). Channel Level Controls With these sliders you can control the volume of the 4 channels. Rotary Return Control This control adjusts the signal level, coming from an external device (effect), that will be added to the master output. Cue/Master Panpot This fader is used to set up mixer and special effects in the left position, `cue' is sent to the headphones. [. . . ] Return Knop Regeling van het niveau dat, komende van de effectenmodule, bij de master wordt gevoegd. [. . . ]