19Chapter 4 : Adjusting the SoundSelecting the Surround Effect Mode1 With the TV turned on, press the MENU button. Then press the CVOLB buttons until“Audio” menu will be displayed.2 Use the WCHV buttons to select “Effect Surr.” item.3 Use the CVOLB buttons to select “On” or “Off”.4 To return to normal TV viewing, press DISPLAY button or MENU button, or wait 15 seconds.5 Your setting will remain intact until you change it. Your TV will then automatically repro-duce either stereo or monaural sound, whichever is broadcast.. . .Selecting the Automatic Volume ControllerAutomatic volume controller (AVC option) feature has 4 levels according toyour preference. This feature corrects for large volume level changes, such asoccur when passing from a movie to advertisements. The AVC solves the prob-lem by equalizing the volume level, over a ‘SHORT’, ‘MEDIUM’, ‘LONG’period (referring to the time constant over which the equalizing effect lasts)1 With the TV turned on, press the MENU button. Then press the CVOLB buttons until“Audio” menu will be displayed.2 Use the WCHV buttons to select “AVC” item.3 Press the CVOLB buttons to changing the AVC mode from ‘Off’, ‘Short’, ‘Medium’ or‘Long’.4 To returne to nomal TV viewing, press DISPLAY button or MENU button, or wait 15 seconds.