Using the Buttons 27Using the ButtonsThe procedures to use the Menu, Quick Launch and Auto Scaler buttons are described below.The Menu Button ( )Press the Menu button to launch the Menu Program. The Menu Program provides shortcuts to fre-quently used functions on the computer. You can easily change the settings.Press the Menu button again or press a point on the screen to hide the Menu Program.Menu Items FunctionBrightness Up This increases the LCD brightness by one step.Brightness Down This decreases the LCD brightness by one step.Wireless LAN ON (OFF) Turns the Wireless LAN on or off.Sound ON (OFF) Turns the volume on or off.Backlit OFF Turns the LCD backlight off. Press a point on the screen once to turn it on again.Etiquette Mode ON (OFF) You can select Etiquette Mode for a tranquil work enviornment.