Adjusting the Sound
You can use the Audio menu to select the audio source or adjust the sound volume or treble/bass balance.
1.Press the Menu button. You see the menu screen.
2.Use the 
Sync– button (control panel) or the 
button (remote control) to highlight Audio. You see the following:
3.Press 
to select the Audio menu.
4.Use the Tracking and Sync buttons (control panel) or
the 
button (remote control) to set the following options:
■Audio Input
Audio 1 is automatically selected for computer sound, and Audio2 for video. Select USB to amplify computer sound through a USB cable connected to the projector.
■Volume
■Treble
■Bass
5.When you’re finished adjusting the sound, press Esc or Menu.