Front panel ControlButtons and functions1 Channel number increase and decrease.2 Volume decrease:for lowering the volume or adjusting the menu.Volume increase: for enhancing the volume or adjusting the menu.3 TV/AVbutton4 Menu button5 Power and indicator: for turning on or off the power supply.6 Remote receiving window7 Card jack- This is a simplified representation of front panel.- Here shown may be somewhat different from your TV.Buttons and interface location4- CH + - VOL + TV/AV MENU POWER