86. Using On-Screen MenuTurning On or Off the D Dimensional Separation [D Y/C SEPARATION]When projecting an image from a VIDEO input, set to ON to project the highest quality image.OFF ........................ Turns off the 3 dimensional separation feature.ON ......................... Turns on the 3 dimensional separation feature.NOTE: Only available for NTSC 3.58 video signals.[AUDIO]Controlling Sound [VOLUME/BASS/TREBLE/BALANCE]Adjusts the volume, bass and treble level, left and right balance of the projector speaker and AUDIO OUT (StereoMini Jack).Enabling D Surround [D SURROUND]Turn on or off the 3D surround effect.If the AUDIO OUT stereo mini jack of the projector is connected to external equipment, adjusting the sound on theexternal equipment can cause sound to be distorted or cracked, depending on the bass, treble or 3D Surroundadjustment. If this happens, return the adjustments of the projector to the factory default (BASS:0, TREBLE: 0, 3DSURROUND: OFF).