Canon projector LV7240 User Manual

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5. Using On-Screen Menu
Disabling the Key lock [Key lock]
This option turns on or off the Key lock function.
NOTE:
•This Key lock does not affect the remote control and the PC Control functions.
•When the Key Lock is Off, pressing and holding the BACK button for about 10 seconds will change the setting to enable.
•Key symbol  indicates the Key lock is On.
Enabling High Speed Fan Mode [Fan mode]
This option allows you to select two modes for fan speed: High speed mode and Auto mode.
High...

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5. Using On-Screen Menu
(Advanced settings Page 2)
Enabling Power Management [Power management]
When this option is on and there is no signal or no menu operation for five minutes or more, the projector will automati-
cally turn itself off.
Turning On Noise Reduction [Noise reduction] (not available for Video and S-Video signals)
Reduces video noise. Select “On” to enable the Noise Reduction feature.
Turning On Flicker Reduction [Flicker reduction]
Reduces flicker which can occur in an interlaced...

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5. Using On-Screen Menu
[Tracking] (available for RGB and HDTV signals only)
Use this item to adjust the clock phase or to reduce video noise, dot interference or cross talk. (This is evident
when part of your image appears to be shimmering.)
Use “Tracking” only after the “Clock” is complete.
This adjustment is made automatically when the Auto PC adjustment is turned on.
Selecting Communication Speed [Communication speed]
This feature sets the baud rate of the SERVICE PORT (DIN 8 Pin). It supports...

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5. Using On-Screen Menu
 Menu Descriptions & Functions [Factory default]
Returning to Factory Default [Factory default]
The Factory default feature allows you to change adjustments and settings to the factory presets.
[Current signal]
Resets the adjustments for the current signal to the factory preset levels.
The items that can be reset are: Brightness, Contrast, Color, Color balance, Sharpness, Noise reduction, Aspect,
Horizontal position, Vertical position, Clock, Tracking and Image mode.
[All...

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6. Maintenance
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This section describes the simple maintenance procedures you should follow to clean the filter and replace the lamp.

 Cleaning or Replacing the Filter
The air-filter sponge keeps dust and dirt from getting inside the projector and should be cleaned after every 100 hours
of operation (more often in dusty conditions). If the filter is dirty or clogged, your projector may...

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6. Maintenance
3. Reinstall the new filter cover.
NOTE: Do not wash the filter with soap and water. Soap and water will damage the filter membrane. Before replacing the filter,
remove dust and dirt from the projector cabinet. Keep out dust and dirt during filter replacement.
NOTE: When you replace the lamp, it is also wise to replace the filter. The filter comes in the same package with your
replacement lamp.
4. Turn on the projector.
5. Reset the Filter counter. See page 46.
 Cleaning the Cabinet...

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 Replacing the Lamp
After your lamp has been operating for 2000* hours (up to 3000* hours in Quiet mode) or longer, the LAMP REPLACE
indicator in the cabinet will blink red and the message “Replace with the new lamp.” will appear. Even though the
lamp may still be working, replace it at 2000* (up to 3000* hours in Quiet mode) hours to maintain optimal projector
performance. After replacing the lamp, be sure to clear the lamp counter. See page 46.
CAUTION
•DO NOT TOUCH THE LAMP immediately after it...

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3. Loosen the two screws securing the lamp until the phillips screwdriver goes into a freewheeling condi-
tion. The two screws are not removable.
Remove the lamp by holding it.
6. Maintenance
NOTE: There is an interlock on this case to prevent the risk of electrical shock. Do not attempt to circumvent this interlock.
4. Insert a new lamp until the lamp is plugged into the socket.
CAUTION
Do not use a lamp other than the replacement lamp LV-LP24 (LV-7245/LV-7240) or LV-LP25 (LV-X5).
This may be ordered...

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6. Maintenance
6. Connect the supplied power cord, turn on the Main Power switch and turn on the projector.
7. Finally, select the menu 
→ [Factory default] → [Lamp counter] to reset the lamp usage hours.
NOTE: When the lamp exceeds 2100* hours (up to 3100* hours in Quiet mode) of service, the projector cannot turn on and the
menu is not displayed.
If this happens, press the INFO. button on the remote control for ten seconds to reset the lamp clock back to zero.
When the lamp time clock is reset to...

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7. Appendix

 Troubleshooting
This section helps you resolve problems you may encounter while setting up or using the projector.
Indicator Messages
POWER Indicator
Indicator Condition
Projector Condition Note
Off
Blinking light
Steady lightGreen
Orange
Green
Orange0.5 sec On,
0.5 sec Off
2.5 sec On,
0.5 sec Off
0.5 sec On,
0.5 sec OffThe main power is off
The projector is getting ready to turn on.
Off Timer is enabled.
The projector is cooling down.
The projector is turned on.
The projector is in...