■The color balance may be incorrect. If you’re displaying a computer image, use the Gamma option in the projector’s Video menu to adjust the balance of red, green, and blue. If you’re displaying video, adjust the Color, Tint, and Gamma settings on the Video menu. Also try adjusting the Color Setting option in the Advanced menu.
■Check your computer display settings to correct the color balance.
There is no sound.■First check that the volume is not turned all the way down and that the audio cable is securely attached to both the projector and the audio source.
■Make sure the A/V Mute button is not enabled.
■If you’re using a VCR or other video source, make sure the volume is not turned all the way down. Also, make sure the cables are connected correctly, as described in Chapter 1.
■If your presentation includes computer audio, make sure the volume control on your computer is not turned all the way down. Make sure the audio cable is securely connected to both the
projector and your computer’s 
headphone jack or 
audio out jack. See Chapter 1 for more information.
■Make sure the volume controls on your computer are not turned all the way down or set to Mute.
■The wrong source may be selected. Press the Computer or Video button on the control
Solving Problems 91