ViewSonic PJL3211 PJL3211 User Guide (English) - Page 61

Troubleshooting Phenomena that may be easy to be mistaken for machine defects (continued) Phenomenon No pictures are displayed. (continued) Video screen display freezes. Colors have a faded- out appearance, or Color tone is poor. Pictures appear dark. Pictures appear blurry. Cases not involving a machine defect The brightness is adjusted to an extremely low level. Adjust BRIGHTNESS 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 can detect a plug and play monitor using another plug and play monitor. The BLANK screen is displayed. Press the BLANK button on the remote control. 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". Reference page 21, 23 9 19 19 21, 24, 28 28 21, 23 22, 32 48 16, 27 51 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 56 PJL3211