17VOLUME CONTROLTo adjust the volume value desired by pressing POINT buttons on Remote Control or on Side Controls.The volume dialogue box will appear on the screen for a short while.POINT button to increase volume, andPOINT button to decrease volume.ECOThis function is used to automatically adjust panel’s brightness by ambient brightness. Press ECO button onRemote Control to set “ECO 1“, “ECO 2 “, “ECO 3 “ or “ECO OFF”.VIRTUAL SURROUNDWonderful Virtual Surround has set in the TV, you can enjoy splendid Virtual Surround effect in your family.Press Menu button on Remote Control to set “Virtual Surround On “ or “Virtual Surround OFF”.Select this mode for user to call out the preset sound adjustment in SOUND menu.STILLPress TXT HOLD button to switch the still function On or Off.When in PIP mode, still function can still main picture.To cancel “Still” function:Press TXT HOLD button or PIP button to cancel the function, or you can switch the input source to cancelit also.Note:When the still function is On, the picture will still, but thesound will be remain.The function doesn’t work when the input signal is 1080p.STEREO/MONOSimply press STEREO/MONO button to select the following audio signals: “STEREO “, “MONO “, “NICAM “,“A “ and “B “.BASIC OPERATION