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Manafacture: Hitachi File size: 554.07 kb File name: 2400MP-en.pdf Language of manual:

3 To cancel the password function, select OFF and enter the password to disable the function. CHANGE PASSWORD—Key in the original password, then enter the new password and confirm the new password again. TEST PATTERN—Select ON to activate the built-in Test Pattern for self-testing on focus and resolution. Select OFF to disable the function. FACTORY RESET —Select ON to reset the projector to its factory default settings. Reset items include both computer sources and video source settings. Using Your Projector 4 Troubleshooting Your Projector If you experience problems with your projector, see the following troubleshooting tips. If the problem persists, contact Dell. Problem Possible Solution No image appears on the screen • Ensure that the lens cap is removed and the projector is turned on. • Ensure the external graphics port is enabled. If you are using a Dell portable computer, press (Fn+F8). For other computers, see your respective documentation. • Ensure that all the cables are securely connected. See on page 8. • Ensure that the pins of the connectors are not bent or broken. • Ensure that the lamp is securely installed (see on page 35). •Use Test Pattern in the Preferences menu. Ensure that the colors of the test pattern are correct. Troubleshooting Your Projector Pro b lem (continued) Po ss ible Solut i on (continued) Partial, scrolling, or incorrectly displayed image 1 Press the Resync button on the remote control or the control panel. 2 If you are using a Dell portable computer, set the resolution of the computer to XGA (1024 x 768): a Right-lick the unused portion of your Windows desktop, click Properties and then select Settings tab. b Verify the setting is 1024 x 768 pixels for the external monitor port. c Press (Fn+F8). If you experience difficulty in changing resolutions or your monitor freezes, restart all the equipment and the projector. If you are not using a Dell portable computer, see your documentation. The screen does not display your presentation If you are using a portable computer, press (Fn+F8). Image is unstable or flickering Adjust the tracking in the OSD Display tab (in PC Mode only). Image has vertical flickering bar Adjust the frequency in the OSD Display tab (in PC Mode only). Image color is not correct • If your graphic card output signal is sync on Green, and you would like to display VGA at 60Hz signal, please go into OSD select Display, select Signal Type and then select RGB. •Use Test Pattern in the Preferences menu. Ensure that the colors of the test pattern are correct. Image is out of focus 1 Adjust the focus ring on the projector lens. 2 Ensure that the projection screen is within the required distance from the projector (3.9 ft [1.2 m] to 39.4 ft [12 m]). Troubleshooting Your Projector Pro b lem (continued) Po ss ible Solut i on (continued) The image is stretched when displaying a 16:9 DVD The projector automatically detects a 16:9 DVD and adjusts the aspect ratio to full screen with a 4:3 (letter-box) default setting. If the image is still stretched, adjust the aspect ratio as follows: • If you are playing a 16:9 DVD, select 4:3 aspect ratio type on your DVD player. • If you cannot select 4:3 aspect ratio type on your DVD player, select 4:3 aspect ratio in the Set Up menu in the OSD. Image is reversed Select Set Up from the OSD and adjust the projector mode. Lamp is burned out or makes When the lamp reaches its end of life, it may a popping sound burn out and may make a loud popping sound. If this occurs, the projector does not turn back on. To replace the lamp, see on page 35. LAMP light is solid orange If the LAMP light is solid orange, replace the lamp. LAMP light and Power light are blinking orange If the LAMP light and the Power light are blinking orange, the lamp driver has failed and the projector will automatically shut down. Unplug the power cord after 3 minutes then turn the display on again. If this problem persists, contact Dell. LAMP light is blinking orange and Power light is solid blue If the LAMP light is blinking orange and Power light is solid blue, the system has failed and the projector will automatically shut down. Unplug the power cord after 3 minutes then turn the display on again. If this problem persists, contact Dell. TEMP light is solid orange The lamp has overheated. The display and Power light is solid blue automatically shuts down. Turn the display on again after the projector cools down. If the problem persists, contact Dell. Troubleshooting Your Projector Problem (continued) Possible Solution (continued) TEMP light and Power light The lamp driver has overheated. The display are solid orange automatically shuts down. Turn the display on again after the projector cools down. If the problem persists, contact Dell. TEMP light is blinking A projector fan has failed and the projector orange will automatically shut down. If the problem persists, contact Dell. The OSD does not appear on Try to press the Menu button on the panel for the screen 1...

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