28A320 P E R S O N A L M ixER U S E R G U iDEMaster VolumeThe Master Volume control sets the level for the 1/4-inch Stereo Mix Out jack on the rear panel. The MasterVolume level is an analog control and is not saved as part of a Mix Preset.Master Tone ButtonThe Master Tone button is used to select one of the three tone settings—Enhance, Treble, or Bass—forediting. Pressing the button will cycle through the three options, lighting the green triangle LED next tothe current selection.Enhance Tone ControlEnhance is a specially developed bass and treble EQ curve designed to increase low-end punch and high-end brilliance in a mix. It is especially useful for performers listening through in-ear monitors.The default position for the Enhance control is fully left with no LEDs lit—off. To use the Enhance control,start by creating a mix with the control in the full off (counterclockwise) position. Set the Master ToneTreble and Bass as desired. Press the MASter toNe button to light the green LED next to Enhance and selectit for editing. Then start raising the Enhance amount slowly while listening to the mix until you find anamount that’s pleasing.When the Enhance LED is lit, turn the central control knob to change the amount of Enhance applied to the mix.The Enhance tone control amount is not saved with a Mix Preset.