ViewSonic PJ452 User Guide - Page 55

Phenomena that may easily be mistaken for machine defects (continued) Phenomenon Cases not involving a machine defect Reference Page No pictures are displayed. Colors have a faded-out appearance, or Color tone is poor. Pictures appear dark. Pictures appear blurry. The lens cover is closed. Remove the lens cover. The signal cables are not correctly connected. Correctly connect the connection cables. The brightness is adjusted to an extremely low level. Adjust the BRIGHT to a higher level using the menu function or the remote control. The computer cannot detect the projector as a plug and play monitor. Make sure that the computer's can detect a plug and play monitor using other plug and play monitor. 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 the BRIGHT and/or CONTRAST settings to a higher level using the menu function. The WHISPER function is working. Select the NORMAL to the item WHISPER 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. Adjust the focus using the focus ring, and/or H PHASE using the menu function. The lens is dirty or misty. Clean the lens by referring to the section "Caring for the lens". 4, 16 13, 14 25, 27 13 25, 28, 32 32 25, 27 26, 34 41, 42, 44 19, 30 45 NOTE • Although bright spots or dark spots may appear on the screen, this is a unique characteristic of liquid crystal displays, and such do not constitute or imply a machine defect. ViewSonic PJ452 51