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c Change the desktop pattern on the connected computer. • Setting for INPUT-A in the SET SETTING menu is incorrect. c Select RGB or COMPONENT for INPUT-A in the SET SETTING menu according to the input signal (see page 30). • Setting for INPUT-A in the SET SETTING menu is incorrect. c Select RGB or COMPONENT for INPUT-A in the SET SETTING menu according to the input signal (see page 30). Maintenance 33 33 GB Troubleshooting Symptom Cause and Remedy On-screen display does not appear. • STATUS in the SET SETTING menu has been set to OFF. c Set STATUS in the SET SETTING menu to ON (see page 30). Color balance is incorrect. • Picture has not been adjusted properly. c Adjust the picture (see page 27). • Projector is set to wrong color system. c Set COLOR SYS in the PICTURE CTRL menu to match the color system being input (see page 27). The picture is too dark. • Contrast or brightness has not been adjusted properly. c Adjust the contrast or brightness in the PICTURE CTRL menu properly (see page 27). The picture is not clear. • Picture is out of focus. c Adjust the focus (see page 23). • Condensation has occurred on the lens. c Leave the projector for about two hours with the power on. The picture appears too small on the screen. • SHIFT in the INPUT SETTING menu has not been adjusted properly. c Adjust SHIFT in the INPUT SETTING menu properly (see page 28). The picture flickers. • DOT PHASE in the INPUT SETTING menu has not been adjusted properly. c Adjust DOT PHASE in the INPUT SETTING menu properly (see page 28). Sound Symptom Cause and Remedy No sound. • Cable is disconnected or the connections are wrong. c Check that the proper connections have been made (see page 16). When sound is input through AUDIO connector, sound comes through one channel only. • Monaural sound is being input through the AUDIO connector. c Input stereo sound. Remote Commander Symptom Cause and Remedy The Remote Commander does not work. • The Remote Commander batteries are dead. c Replace with new batteries (see page 14). • The front/rear remote control detector is near the fluorescent lamp. c Change the setting of SIRCS RECEIVER in the SET SETTING menu (see page 30). The joystick, R CLICK, or L CLICK key does not function. • The mouse port on the computer does not recognize the mouse cable. c Restart the computer. GB 34 Troubleshooting Others Symptom Cause and Remedy The LAMP/COVER indicator flashes. • The lamp cover or the air filter cover is detached. c Attach the cover securely (see page 31). The LAMP/COVER indicator lights up. • The lamp has reached the end of its life. c Replace the lamp (see page 31). • The lamp becomes a high temperature. c Wait for 60 seconds to cool down the lamp and turn on the power again (see page 24). The FAN/TEMP indicator flashes. • The fan is broken. c Consult with qualified Sony personnel. The FAN/TEMP indicator lights up. • The internal temperature is unusually high. c Check to see if nothing is blocking the ventilation holes. Both the LAMP/COVER and FAN/TEMP indicators light up. • The electrical system breaks down. c Consult with qualified Sony personnel. Warning Messages Use the list below to check the meaning of the messages displayed on the screen. Message Meaning and Remedy High temp.! Lamp off in 1 min. • Internal temperature is too high. c Turn off the power. c Check to see if nothing is blocking the ventilation holes. Frequency is out of range! • This input signal cannot be projected as the frequency is out of the acceptable range of the projector. c Input a signal that is within the range of the frequency. • The resolution setting of the output signal of a computer is too high. c Set the setting of output to XGA (see page 16). Please check INPUT-A setting. • You have input RGB signal from the computer when INPUT-A in the SET SETTING menu is set to COMPONENT. c Set INPUT-A correctly (see page 30). Please replace the lamp. • It is time to replace the lamp. c Replace the lamp. Caution Messages Use the list below to check the meaning of the messages displayed on the screen. Message Meaning and Remedy NO INPUT • No input signal c Check connections (see page 16). Not applicable! • You have pressed the wrong key. c Press the appropriate key. Maintenance 35 35 GB Troubleshooting B Other Installation Example This section describes an example for floor installation. The installation measurements may differ for the kind of the projector that you use. Floor Installation ................................................................ a x b c a: Distance between the screen and the center of the lens b: Distance between the floor and the center of the lens c: Distance between the floor and the bottom of the adjusters of the projector x: Free Wall Center of the screen Center of the lens Floor Distance between the front of the cabinet and the center of the lens 10 mm (13/32 inches) GB 36 Installation Example The installation measurements and their calculation method are shown below. The letters in the charts a...