ViewSonic PJ1173 PJ1173 User Guide, English - Page 119

Troubleshooting Phenomena that may be easily mistaken for machine defects (continued) Phenomenon Video screen display freezes. Colors have a faded- out appearance, or Color tone is poor. Pictures appear dark. Pictures appear blurry. Pictures are trembling. Cases not involving a machine defect The FREEZE function is working. Press the FREEZE button to restore the screen to normal. Color settings are not correctly adjusted. Perform picture adjustments by changing the COLOR TEMP, COLOR, TINT and/or COLOR SPACE settings, using the menu functions. COLOR SPACE setting is not suitable. Change the COLOR SPACE setting to AUTO, RGB, SMPTE240, REC709 or REC601. The brightness and/or contrast are adjusted to an extremely low level. Adjust BRIGHTNESS and/or CONTRAST settings to a higher level using the menu function. The WHISPER function is working. Select NORMAL for the WHISPER item in the SETUP menu. The lamp is approaching the end of its product lifetime. Replace the lamp. Either the focus and/or horizontal phase settings are not properly adjusted. Adjust the focus using the focus ring, and/or H PHASE using the menu function. The lens is dirty or misty. Clean the lens referring to the section "Caring for the lens". The exhaust ventilation holes at front is blocked by some objects. Remove any objects from front side of the projector. Reference page 22 26, 28, 32 32 26, 27 26, 37 104, 105 20, 31 108 5 NOTE • Although bright spots or dark spots may appear on the screen, this is a unique characteristic of liquid crystal displays, and it does not constitute or imply a machine defect. ViewSonic 114 PJ1173