Canon projector LV7255 User Manual

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5. Using On-Screen Menu
Adjusting the Vertical Position of Image [Cinema position] (for Cinema only)
This feature adjusts the vertical position of the image when viewing video with Cinema aspect selected.
When “Cinema” is selected in “Aspect”, the image is displayed with black borders on the top and bottom.
Y ou can adjust the vertical position between top and bottom.
NOTE: This option is available only when “Cinema” is selected in A\
spect.
  Menu Descriptions & Functions [Setup]
Using Off Timer [Off timer]
You can set the timer so that the projector turns itself off at the preset time.
1. Use the SELECT  or  button to select your desired time between 30 minutes and 8 hours: Off, 0:30,
1:00, 2:00, 3:00, 4:00, 6:00 and 8:00.
2. Press the OK button.
3. The Off Timer starts counting down the remaining time.4. The projector turns off after the countdown is complete.
NOTE:•T o cancel the preset time, select “Off” for the preset time or turn off the power.
• When the remaining time reaches 3 minutes before the projector is turned\
 off, the “Power off within 3 minutes.” message will
be displayed on the bottom of the screen.
Selecting Lamp Mode [Lamp mode]
This feature enables you to select two brightness modes of the lamp:
Normal and Quiet modes. The lamp life can be extended by using the Quiet mode.
Lamp Mode
Normal Mode
Quiet Mode Description
This is the default setting (100% Brightness).
Select this mode to increase the lamp life
(approx. 80% Brightness). Status of LAMP indicator
Off
Steady Green light
NOTE:
• The lamp life remaining and lamp hours used can be checked in [Informati\
on]. Select [Information] 
→[Page 1].
•
If the projector is overheated in Normal mode, there may be a case where\
 the Lamp mode automatically changes to Quiet mode to
protect the projector. This is called “forced cooling operation”. When the projector is in a forced cooling operation, the pict ure
brightness decreases. When the projector comes back to normal temperatur\
e, the Lamp mode returns to Normal mode.
Thermometer symbol [  ] indicates the lamp mode is automatically set to a forced cooling operation because the internal
temperature is too high. In this condition, changing [Lamp mode] setting\
 in the menu will not affect the actual lamp mode and
the LAMP indicator lights green. 
						

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5. Using On-Screen Menu
Selecting Menu Language [Language]
Y ou can choose one of 21 languages for on-screen instructions.
Selecting Menu Color [Menu color select]
You can choose between two color modes for menu color: color and monochrome.
Selecting Menu Display Time [Menu display time]
This option allows you to select how long the projector waits after the last touch of a button to turn off the menu.
The preset choices are “Manual”, “5 sec”, “15 sec”, and “45 sec”. The “45 sec” is the factory preset.
Selecting a Color or Logo for No signal screen [No signal screen]
Use this feature to display a black/ blue screen or logo when no signal is available.
Selecting Projector Orientation [Image flip H/V]
This sets your image for your type of projection. The options are:
front projection, rear projection, ceiling mounted projection and rear c\
eiling mounted projection.
None
Rear, Ceiling mounted
Rear Ceiling mounted
Enabling Key Sound and Error Sound [Beep]
This feature turns on or off the keypad sound or alarm when a button on the cabinet and the remote control is pressed
or an error occurs. 
						

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5. Using On-Screen Menu
 Menu Descriptions & Functions [Advanced settings]
Enabling Password [Password]
This feature turns on or off the Password function.
Unless the correct password is entered, the projector cannot project an image. ( → page 
32 )
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 func\
tions.
• 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 ...................... The built-in fans run at a fixed high speed.
Auto ...................... The built-in fans automatically run at a variable speed according to the\
 internal temperature.
When you wish to cool down the temperature inside the projector quickly, select “High”.
NOTE: Select “High” if you continue to use the projector for conse\
cutive days.
Selecting Signal Format [Input signal select]
[Computer] Allows you to choose “RGB” for an RGB source such as a computer, or “COMPONENT” for a component video
source such as a DVD player. Normally select “RGB/COMPONENT” and the projector automatically detects a
component signal. However there may be some component signals that the projector is unable to detect. If this is
the case, select “COMPONENT”. Select “SCART” in Computer 1 for the European Scart signal.
[VIDEO & S-VIDEO system select] This feature enables you to select composite video standards manually. Normally select “Auto”.
When you select the video standard for VIDEO and S-VIDEO, select the video standard from the pull-down menu.
This must be done for VIDEO and S-VIDEO respectively. 
						

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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.
Tu rning On Noise Reduction [Noise reduction] (not available for Video and S-Video signals)
Reduces video noise. Select “On” to enable the Noise Reduction feature.
Tu rning On Flicker Reduction [Flicker reduction]
Reduces flicker which can occur in an interlaced signal. This feature is not available for RGB and HDTV signals.
NOTE: When the Flicker reduction is ON, jagged lines can be visible depe\
nding on the signal. In that case, select OFF.
NOTE: This feature may not be available depending on your video equipment connected to th\
e projector.
Setting Auto PC adjustment [Auto PC adjustment]
This feature sets the Auto PC adjustment mode so that the RGB image can be automatically or man\
ually adjusted for
noise and stability. You can automatically make adjustment in two ways: Normal and Fine
Off ......................... The RGB image will not be automatically adjusted. You can manually optimize the RGB image.
Normal .................. Default setting. The RGB image will be automatically adjusted. Normally \
select this option.
Fine ....................... Select this option if fine adjustment is needed. It takes more time to switch to the source than whe n “Nor-
mal” is selected.
Adjusting Position/Clock (when Auto PC adjustment is off)
This allows you to manually adjust the image horizontally and vertically, and adjust Clock and Tracking.
[Horizontal/Vertical position] Adjusts the image location horizontally and vertically.
This adjustment is made automatically when the Auto PC adjustment is turned on.
[Clock] (available for RGB and HDTV signals only) Use this item with the “Auto PC adjustment off” to fine tune the computer image or to remove any vertical banding
that might appear. This function adjusts the clock frequencies that eliminate the horizontal banding in the image.
This adjustment may be necessary when you connect your computer for the first time. This adjustment is made
automatically when the Auto PC adjustment is turned on. 
						

							46
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 (Mini DIN 8 Pin). It supports data rates from 4800 to 19200 bps.
The default is 19200 bps.
Select the appropriate baud rate for your equipment to be connected (depending on the equipment, a lower baud rate
may be recommended for long cable runs).
 Menu Descriptions & Functions [Information]
Displays the status of the current signal, Remaining lamp time (%), Lamp/Filter/Projector usage time (hours) and
version information. The Information has two pages. The Information included is as follows:
[Page 1] Remaining lamp time (%)*
Lamp counter (H)
Filter counter
Projector usage
* The progress indicator shows the percentage of remaining bulb life. The value informs you of the amount of
lamp usage. When the remaining lamp time reaches 0, the Remaining lamp time bar indi\
cator changes from
0% to 100 Hours and starts counting down.
If the Remaining lamp time reaches 0 hours, the projector will not turn on regardless of whether the lamp
mode is set to Normal or Quiet.
BIOS version
Firmware version
Data version
Lamp life(H)
Normal Quiet
2000 3000 Replacement lamp
LV-LP24 
						

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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 data] Resets all the adjustments and settings for all the signals to the factory preset for source except the following:
Language, Password, Communication speed, Remaining lamp time, Lamp counter, Filter usage and Projector
usage. To reset the lamp and filter usage time, see “Lamp counter” and “Filter counter”.
Resetting the Filter Usage Hours [Filter counter]
Resets the filter usage back to zero. Selecting this option displays submenu for a confirmation. Select “Yes” and press
the OK button.
NOTE: Reset the Filter usage after cleaning or replacing the filter.
Clearing Lamp counter [Lamp counter]
Resets the lamp clock back to zero. Selecting this option displays a submenu for a confirmation. Select “Yes” and press
the OK button.
NOTE: Do not reset the lamp counter except when you have replaced the la\
mp. If reset, the lamp counter cannot indicate the
correct timing of lamp replacement.
For the lamp replacement method, see page  50 .
NOTE: The projector will turn off and go into standby mode after 2100 hours (up to 3100 hours in Quiet \
mode) of service.
If this happens, press the INFO. button on the remote control for ten se\
conds to reset the lamp clock back to zero.
When the lamp time clock is reset to zero, the LAMP indicator goes out.
Do this only after replacing the lamp.
[Page 2] Source index
Horizontal frequency
Vertical frequency
Sync polarity
Input signal type
Video type
Sync type
Interlace 
						

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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 overheat.
CAUTION
•T urn off the projector, turn off the main power switch and unplug the projector before replacing the filter.
• Only clean the outside of the filter cover with a vacuum cleaner.
• Do not attempt to operate the projector without the filter cover.
To clean the air-filter:
Vacuum the filter through the filter cover.
To  replace the filter (sponge):
1. Remove the filter cover by pushing down on the catch of the cover until you feel it detach.
P
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PUSH
Catch
2. Gently peel off the filter (sponge) and replace it with the new one.
To  reset the filter usage time, from the menu, select [Factory default]  → [Filter counter].
See also page  47  for resetting the filter usage time. 
						

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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 f\
ilter,
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 
47 .
PUSH
 Cleaning the Cabinet and the Lens
1. Turn off the projector before cleaning.
2. Clean the cabinet periodically with a damp cloth. If heavily soiled, use a mild detergent. Never use strong detergents or solvents such as alcohol or thinner.
3. Use a blower or lens paper to clean the lens, and be careful not to scratch or mar the lens.
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							50
 Replacing the Lamp
After your lamp has been operating for 2000* hours (up to 3000* hours in Quiet mode) or longer, the LAMP 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 
47 .
CAUTION
•DO NOT TOUCH THE LAMP immediately after it has been used. It will be extremely hot. Turn the projector off,
wait 30 seconds, turn off the main power switch and then disconnect the power cord. Allow at least one hour for
the lamp to cool before handling.
• DO NOT REMOVE ANY SCREWS except two lamp case screws. You could receive an electric shock.
• Do not break the glass on the lamp housing.
Keep finger prints off the glass surface on the lamp housing. Leaving finger prints in the glass surface might
cause an unwanted shadow and poor picture quality.
• The projector will turn off and go into standby mode after 2100* (up to 3100* hours in Quiet mode) hours of
service. If this happens, be sure to replace the lamp. If you continue to use the lamp after 2000* hours (up to
3000* hours in Quiet mode) of use, the lamp bulb may shatter, and pieces of glass may be scattered in the lamp
case. Do not touch them as the pieces of glass may cause injury. If this happens, contact your dealer for lamp
replacement.
*NOTE: The projector will turn off and go into standby mode after 2100 (up to 3100 hours in Quiet mode)\
 hours of service.
A lamp may burn out before the LAMP indicator blinks.
To replace the lamp:
 Optional lamp and tools needed for replacement:
• Replacement lamp LV-LP24
• Phillips screwdriver or equivalent
1. Place the projector on a soft cloth and turn it over to access the lamp cover on the bottom.
6. Maintenance
2. Use a Philips screwdriver to push and release the tab.
Push up and remove the lamp cover.
Catch Philips
screwdriver 
						

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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.
NOTE: Do not remove any screws except these two screws.
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.
This may be ordered from your dealer.
Secure it in place with the two screws. Be sure to tighten the screws.
5. Reattach the lamp cover. Slip the lamp cover back until it snaps into place.
Interlock
CAUTION:
DO NOT TOUCH THE LAMP immediately after it has been used. It will be extremely hot. Before handling, turn
the projector off, wait until the cooling fans stop, turn off the main power switch, disconnect the power cord and
then allow at least 60 minutes for the lamp to cool.