Canon projector LV7250 User Manual

22
3. Projecting an Image (Basic Operation)
 Selecting a Source
Selecting the computer or video source
WER
AUTO PC
INPUT
VOL-
POWER
BACK INPUT IMAGE
ASPECT
INFO.
MENUNO SHOW
AUTO PC
NOTE: Turn on the computer or VCR connected to the projector.
Selecting from INPUT List
Press and quickly release the INPUT button on the projector cabinet to
display the Source list. Each time the INPUT button is pressed, the input
source will change as follows: Computer 1, Computer 2 (LV-7250 only),
Video (VCR or laser...

23
3. Projecting an Image (Basic Operation)
Place your projector on a flat level surface and ensure that the projector is
square to the screen.
Lift the front edge of the projector to center the image vertically.
*If the projected image does not appear square to the screen then use the
Keystone feature for proper adjustment. See page 25 to 26.
 Adjusting the Picture Size and Position
Adjust the Tilt Foot
1. Lift the front edge of the projector.
CAUTION:
Do not try to touch the ventilation outlet during...

24
3. Projecting an Image (Basic Operation)
Focus
Use the FOCUS ring to obtain the best fo-
cus.
Zoom
Use the ZOOM lever to finely adjust the im-
age size on the screen. 

25
3. Projecting an Image (Basic Operation)
 Correcting Keystone Distortion
Correcting Keystone Distortion
If the screen is tilted vertically, keystone distortion becomes large. Proceed with the following
steps to correct keystone distor tion
NOTE: The Keystone correction can cause an image to be slightly blurred because the correction is made electronically.
NOTE: The Keystone correction range can be made narrower, depending on a signal or its aspect ratio selection.
Adjusting with the Auto Keystone...

26
3. Projecting an Image (Basic Operation)
5. Press the MENU button.
The menu will be closed.
TIP: The changes can be saved with [Keystone save]. (→ page 44)
NOTE:
•Although the Auto Keystone angle that can be corrected is about 30 degrees upward and downward, we recommend that you
use the Auto Keystone within an angle of +/- 10 degrees.
•The Auto Keystone correction will take effect in 2 seconds after changing the projection angle during projection.
•The left and right (horizontal) keystone correction...

27
3. Projecting an Image (Basic Operation)
 Automatically Optimizing on RGB Image
Adjusting the Image Using Auto PC adjustment
Optimizing an RGB image automatically.
Press the AUTO PC button to optimize an RGB image automatically.
[Poor picture]
[Normal picture]
AUTO PC
OWER
AUTO PC
INPUT
VOL-
POWER
BACK INPUT IMAGE
ASPECT
INFO.
MENUNO SHOW
AUTO PC
Press the AUTO PC button to fine-tune the computer image or to remove any vertical banding that might appear and
to reduce video noise, dot interference or...

28
 Turning off the Projector
To turn off the projector:
3. Projecting an Image (Basic Operation)
WARNINGPOWER
LAMP
POWER
INPUT IMAGE
ASPECT
INFO.
MENUNO SHOW
AUTO PC1. Press the POWER button on the projector cabinet or
the remote control. The “Power Off / OK?” message
will appear.
WARNING
LAMP
POWERWARNING
LAMP
WARNING
LAMP
POWERPOWER
Power On Fan running Standby
Steady
green lightBlinking
orange lightSteady
orange light
CAUTION:
Parts of the projector will become heated during opera-
tion. Use caution...

29
 After Use
Preparation: Make sure that the projector is turned off.
1. Unplug the power cord.
2. Disconnect any other cables.
3. Retract adjustable tilt feet if extended.
4. Cover the lens with the lens cap.
5. Put the projector and its accessories in the supplied soft case.
CAUTION:
Use caution when putting the projector in the soft case immediately after the projector has been operating.
The projector cabinet is hot.
3. Projecting an Image (Basic Operation) 

30
POWER
BACK INPUT IMAGE
ASPECT
INFO.
MENUNO SHOW
AUTO PC
4. Convenient Features
 Turning off the Image and Sound
Press the NO SHOW button to turn off the image and sound for a short
period of time. Press again to restore the image and sound.POWER
BACK INPUT IMAGE
ASPECT
INFO.
MENUNO SHOW
AUTO PC

 Freezing a Picture
Press the FREEZE button to freeze a projected moving picture such as
DVD. Press again to resume motion.
 Enlarging and Moving a Picture
R-
CLICKL-
CLICK
VOL
FREEZEPAGE
D.ZOOM
You can...

31
4. Convenient Features
 Using the Remote Mouse Receiver (LV-7250 only)
The remote mouse receiver enables you to operate your computer’s mouse functions from the remote control. It is a
great convenience for clicking through your computer-generated presentations.
Connecting the remote mouse receiver to your computer
If you wish to use the remote mouse function, connect the mouse receiver and computer.
The mouse receiver can be connected directly to the computer’s USB port (type A).
NOTE: Depending on...