ViewSonic PJ501 User Guide - Page 26

Symptom Video is present but no audio Table 12: Symptom (Continued) Possible cause Remedy The projector is not correctly connected. Connect correctly. The volume is set to minimum. Mute is turned on. Press VOLUME button on the remote control or display the menu screen and adjust the volume. Press the MUTE button. Page page 7 page 8 page 10 Audio is present but no video The projector is not correctly connected. The brightness is set to minimum. Colors are pale and color matching is poor Images are dark Color density and color matching are not correctly adjusted. Brightness and contrast are not correctly adjusted. Images are blurred The lamp is nearing the end of its service life. Focus or H PHASE is out of adjustment. Connect correctly. Select BRIGHT and CONTRAST with the MENU button and press the button. Go to PICTURE-1 menu and adjust color parameters. Go to MAIN menu and adjust COLOR and BRIGHTNESS. Go to PICTURE-1 menu and adjust color parameters. Replace lamp. Adjust the focus or H PHASE. Adjust focus with Focus Ring. page 7 page 8 page 12 page 13 page 12 page 13 page 19 page 14 page 3 23 ViewSonic PJ500/PJ550/PJ501/PJ551