Canon LV-7250 User Manual page 66

Common Problems & Solutions (See also "POWER/WARNING/LAMP Indicator" on page 56.)
Problem
Does not turn on
• Check that the power cord is plugged in and that the power button on the projector cabinet or the remote
• Ensure that the lamp cover is installed correctly. See page 55.
• Check to see if the projector has overheated or the lamp usage exceeds 2100* hours (up to 3100* hours :
• The lamp may fail to light. Wait a full minute and then turn on the power again.
• The lamp has reached the end of its usable life. Replace the lamp.
Will turn off • Ensure that the Power Management or Off timer is off. See page 47.
No picture
• Use the INPUT button to select your source (LV-7250: Computer 1, Computer 2, Video or S-Video / LV-X6:
• Ensure your cables are connected properly.
• Use menus to adjust the brightness and contrast. See page 42.
• Remove the lens cap.
• Reset the settings or adjustments to factory preset levels using the [Reset] in the Menu. See page 50.
• Enter your registered Password if the Password function is enabled. See page 33.
• When using with a notebook PC, be sure to connect between the projector and the notebook PC before turning
• See also the next page.
• When the room where you' re presenting is particularly warm → Move the projector to a cooler location.
Picture suddenly
becomes dark
Color tone or Color
• Check if an appropriate color is selected in [Screen color]. If so, select an appropriate option. See page 44.
balance is unusual • Adjust [Color balance] in [Image adjustment]. See page 42.
Image isn't square to • Reposition the projector to improve its angle to the screen. See page 23.
the screen • Use the Keystone correction function to correct the trapezoid distortion. See page 25.
Picture is blurred • Adjust the focus. See page 24.
• Reposition the projector to improve its angle to the screen. See page 23.
• Ensure that the distance between the projector and screen is within the adjustment range of the lens. See page
• Condensation may form on the lens if the projector is cold, brought into a warm place and is then turned on.
Image is scrolling • Use the INPUT button to select your source (LV-7250: Computer 1, Computer 2, Video or S-Video / LV-X6:
vertically, horizontally
or both • Adjust the computer image manually with the [Horizontal position] or [Vertical position] in the [Display set-
Remote control does • Install new batteries.See page 10.
not work
• Make sure there are no obstacles between you and the projector.
• Stand within 7 m (22 feet) of the projector. See page 10.
Indicator is lit or • See the POWER/WARNING/LAMP Indicator on page 56.
blinking
Cross color in RGB
• Press the AUTO PC button on the projector cabinet or the remote control. See page 27.
mode
• Adjust the computer image manually with [Clock] or [Tracking] in [Display settings] in the menu. See page 43.
Whenever the projector
• Clean or replace the filter and then reset the Filter counter. See page 51.
is turned on, a message
prompting you to clean
the filter will be dis-
played
For more information contact your dealer.
Check These Items
control is on. See pages 19 and 20.
Quiet mode). If there is insufficient ventilation around the projector or if the room where you're presenting is
particularly warm, move the projector to a cooler location.
* LV-X6: 3100 hours (up to 4100 hours in Quiet mode).
Computer, Video or S-Video). See page 22. If there is still no picture, press the button again.
on the power to the notebook PC. In most cases signal cannot be output from RGB output unless the notebook
PC is turned on after connecting with the projector.
* If the screen goes blank while using your remote control, it may be the result of the computer's screen-
saver or power management software.
12.
Should this happen, let the projector stand until there is no condensation on the lens.
Computer, Video or S-Video). See page 22.
tings]. See page 43.
57
7. Appendix