Canon projector LV7255 User Manual

							2
1. Introduction
 Introduction to the Projector
This section introduces you to your new projector and describes the features and controls.
Congratulations on Your Purchase of The Projector
The LV-7255 is one of the very best projectors available today. The projector enables you to project precise images up
to 300 inches across (measured diagonally) from your PC or Macintosh computer (desktop or notebook), VCR, DVD
player, document camera, or a laser disc player.
You can use the projector on a tabletop or cart, from behind a screen, or permanently mounted on a ceiling*
1. The
remote control can be used wirelessly.
*
1Do not attempt to mount the projector on a ceiling yourself.
The projector must be installed by qualified technicians in order to ensure proper operation and reduce the
risk of bodily injury.
In addition, the ceiling must be strong enough to support the projector and the installation must be in accor-
dance with any local building codes. Please consult your dealer for more information.
Features youll enjoy:
•A uto vertical keystone correction
• Built-in Screen color presets provide for adaptive color correction when projecting onto non-white screen
material
• Quick Start & Quick Shutoff
The quick star t & quick shutoff function means you can set up or put away the projector without delay.
Nine seconds after turning on the power, the projector is ready to display PC or video images.
When youre finished, the fans stop in 30 seconds after turning off the power, so you can put away the projector
quickly after the conference or class.
•L ow level operation noise
• Short focal length lens
• 200W lamp (150W Quiet mode)
• Direct keys for source selection
•N ew Color Management system
•N ew menu design improves operation
• Safety protect by Password function
Password feature prevents the projector from being used by unauthorized individuals.
P assword prevents unauthorized individuals from changing projector settings or adjustments.
•Y ou can use the supplied wireless remote control and remote mouse receiver to operate your PC mouse
wireless from across the room. The remote mouse receiver supports almost any PC using a USB connection.
•Y ou can control the projector with a PC or control system using the PC Co\
ntrol port.
• The contemporary cabinet design is light, compact, easy to carry, and complements any office, boardroom or
auditorium. 
						

							3
About this users manual
The fastest way to get started is to take your time and do everything right the first time. Take a few minutes now to
review the users manual. This may save you time later on. At the beginning of each section of the manual youll find an
overview. If the section doesnt apply, you can skip it.
• IBM is a trademark or registered trademark of International Business Machines Corporation.
• Mac and PowerBook are trademarks of Apple Computer, Inc., registered in the U.S. and other countries.
• Windows, Windows 98, Windows Me, Windows XP or Windows 2000 are trademarks or registered trademarks
of Microsoft Corporation.
• Other product and company names mentioned in this user’s manual may be the trademarks or registered
trademarks of their respective holders.
1. Introduction 
						

							4
ME
N U
B A C
K
W
ARN INGPOWERA UTO PCINPU TLAMP
V
O L-+V
O
L
1. Introduction
  Part Names of the Projector
MENU
BACK
WARNINGPOWERAUTO PCINPUTVOL-V O L+
LAM P
V
ID
EO
 IN
S -
V ID
EO
I NL  A UDIO  IN  RA
NALO G
 IN -
1 AN
ALO G
 IN -
2A UD
IO
 O
UTL  A UDIO  IN  R
SERVICE PORT AUDIO IN
MONO
MONO
Zoom Lever
(See page  24 )Controls(See page  6 )
Lens Lens CapBe sure to remove the lens capduring projection. The cap candeform or fire can occur.
Built-in Security Slot ( 
 )*
F ocus Ring
(See page  24 )
Adjustable Tilt Foot Lock Button(See page  23 )
Adjustable Tilt Foot(See page 
23 )
Remote sensor(See page  10 ) V
entilation (inlet) / Filter Cover
(See page  48 )
Do not block this vent. T roubles or fire can result.
V entilation (inlet)
Front/Top
AC  Input
Connect the supplied power cord’s two-pin plug here, and plug the other end into an active wall outlet. (See page 
19 )
Main Power Switch When you plug the supplied power cord into an active wall outletand turn on the Main Power, the POWER indicator turns orangeand the projector is in standby mode.(See page 
20
) Remote sensor
(See page  10 )
Te rminal Panel
(See page 
7
)
Monaural Speaker
(1W)
Rear
*This security slot supports the MicroSaver ® Security System. MicroSaver ® is a registered trademark of
Kensington Microware Inc. The logo is trademarked and owned by Kensington Microware Inc.
Ventilation (outlet)
Heated air is exhausted from here. Do not block this vent. Troubles orfire can result. 
						

							5
1. Introduction
Bottom
Adjustable Tilt Foot (See page  23 )
Adjustable Tilt Foot Lock Button(See page  23 ) Lamp Cover
(See page  50 )
To
 turn the logo upside down, follow the steps below.
1. Push one end of the logo gently.
The other end will pop up slightly.• The right drawing shows the part “C” is pressed gently.
• The part “n” on the other end will pop up.
2. Push and hold the end of the logo gently and rotate the logo by
holding the other end.
• The right drawing shows that with the part “C” pressed the logo is
rotated by holding the part “n” on the other end.
3. Release your hold and turn the logo upside down.
HINT: 
The Canon logo is on the panel of the projector cabinet . When projecting an image with the projector hung from the
ceiling, turn the Canon logo upside down.
NOTE: A spacer is attached to the rear foot at the factory. To  fine-adjust the height of the rear foot, remove the spacer and rotate the rear foot to the desired height. Do not \
throw away  or
lose the spacer. 
						

							6
1. Introduction
T op Features
MENU
BACKW ARNING
POWER
AUTO PC
INPUT
VOL-VOL+
LAMP
3
4 158
9
2
106
7
1. POWER Button (  )
Use this button to turn the power on and off when the
main power is supplied and the projector is in standby
mode.
To  turn on the projector, press and hold this button for
about 1 second. To turn off the projector, press this
b utton twice.
2. POWER Indicator When this indicator is green, the projector is on; when
this indicator is orange, it is in standby mode. See the
Power Indicator section on page 
53  for more details.
3. WARNING Indicator If this light blinks red rapidly, it indicates that an error
has occurred, the lamp cover is not attached properly
or the projector has overheated. If this light remains
orange, it indicates that you have pressed a cabinet
key while the Key lock is enabled. See the WARNING
Indicator section on page 
53  for more details.
4. LAMP Indicator If this light blinks red rapidly, its warning you that the
lamp has reached the end of its usable life. After this
light appears, replace the lamp as soon as possible
(See page 
50
). If this is lit green continually, it indi-
cates that the lamp mode is set to Quiet. See the Lamp
Indicator section on page 
53  for more details.
5. INPUT Button
Selecting from INPUT List
Press and quickly release the INPUT button to dis-
play the INPUT list. Each time the INPUT button is
pressed, the input source will  change as follows:
Computer 1, Computer 2, Video (VCR or laser
disc player), S-Video, To display the selected source,
press the OK button or allow 2 seconds to elapse.
Detecting the Signal Automatically
Press and hold the INPUT button for a minimum of 2
seconds, the projector will search for the next avail-
able input source. Each time you press and hold the
INPUT button for a minimum of 2 seconds, the input
source will change as follows:
Computer 1  → Computer 2  → Video  → S-Video  →
Computer1  → ...
6. AUTO PC Button Use this button to adjust an RGB source for an opti-
mal picture (See page 
27 ).
7. MENU Button Displays the menu.
8. SELECT 
 / VOL (+/–) Buttons
 : Use these buttons to select the menu of the item you wish to adjust.
 : Use these buttons to change the level of a se-
lected menu item. A press of the 
 b utton ex-
ecutes the selection. When no menus appear,
these buttons work as a volume control.
9. OK Button Executes your menu selection and activates items
selected from the menu.
10. BACK Button Pressing this button will return to the previous menu.
While you are in the main menu, pressing this button
will close the menu. 
						

							7
1. Introduction
L  AUDIO IN  RANALOG IN-
1 ANALOG IN-
2
AUDIO OUTL  AUDIO IN  RSERVICE PORT AUDIO INMONO
MONO
VIDEO  IN
S -
VIDEO
IN
14
235
Terminal Panel Features
1. ANALOG IN-1 and -2 / Component Input Connec-
tor (Mini D-Sub 15 Pin)
Connect your computer or other analog RGB equip-
ment such as IBM compatible or Macintosh comput-
ers. Use the supplied RGB cable to connect to your
computer. This also serves as a component input con-
nector that allows you to connect a component video
output of component equipment such as a DVD player.
This connector also supports Scart output signal. See
page 
15  for more details.
A UDIO IN Mini Jack (Stereo Mini)
This is where you connect the audio output from your
computer or DVD player when connected to the COM-
PUTER input. A commercially available audio cable is
required.
2.
MONITOR OUT Connector (Mini D-Sub 15 Pin)
Y ou can use this connector to loop your computer
image to an external monitor from the RGB input
source.
This connector outputs RGB signal in standby mode.
A UDIO OUT Mini Jack (Stereo Mini)
Y ou can use this jack to output sound from the cur-
rently selected source (COMPUTER, VIDEO or S-
VIDEO). Output sound level can be adjusted in accor-
dance with the sound level of the internal speaker.
Note that this cannot be used as a headphone jack.
(When audio equipment is connected, the projector
speaker is disabled.)
When a cable mini-plug is inserted into this jack, both
the right and left audio signals are not mixed, but sepa-
r ate. F
or example, when a cable mini-plug is inserted into
the left AUDIO IN jack only, only left sound is output.
3. S-VIDEO IN Connector (Mini DIN 4 Pin) Here is where you connect the S-Video input from an
external source like a VCR.
NOTE: S-Video provides more vivid color and higher
resolution than the traditional composite video format.
S-VIDEO AUDIO Input Jacks L/R (RCA)
These are your left and right channel audio inputs for
stereo sound from an S-Video source.
4. VIDEO IN Connector (RCA) Connect a VCR, DVD player, laser disc player, or docu-
ment camera here to project video.
VIDEO AUDIO Input Jacks L/R (RCA)
These are your left and right channel audio inputs for
stereo sound from a Video source.
5. SERVICE PORT (Mini DIN 8 Pin) Use this port to connect a PC or control system to
control the projector via an optional RS-232C serial
cable (LV-CA34). If you are writing your own program,
typical PC control codes are on page 
62 . 
						

							8
1. Introduction
 Part Names of the Remote Control
1. Infrared Transmitter
Direct the remote control toward the remote sensor
on the projector cabinet.
2. POWER Button When the main power is on, you can use this button
to turn your projector on.
NOTE: To turn on the projector, press and hold the POWER
button for about 1 second.
You can use this button to turn your projector off.
NOTE: To turn off the projector, press this button twice.
3. INFO. Button
Provides the information on the current signal and pro-
jector settings. See page 
46 .
4. IMAGE Button Press this button to display the Image adjustment
menu to adjust Screen color, Image mode, Brightness,
Contrast, Sharpness, Color and Color balance. See
pages 
39  to  40 . 5. INPUT Button
Selecting from INPUT List
Press and quickly release the INPUT button to dis-
play the INPUT list. Each time the INPUT button is
pressed, the input source will change as follows: Com-
puter 1, Computer 2, Video (VCR or laser disc
player), S-Video, To display the selected source,
press the OK button or allow 2 seconds to elapse.
Detecting the Signal Automatically
Press and hold the INPUT button for a minimum of 2
seconds, the projector will search for the next avail-
able input source. Each time you press and hold the
INPUT button for a minimum of 2 seconds, the input
source will change as follows:
Computer 1 
→ Computer 2  → Video  → S-Video  →
Computer1  → ...
6. AUTO PC Button Use this button to adjust an RGB source for an opti-
mal picture.
See page 
27 .
7. ASPECT Button Press this button once to display the Aspect select
menu. Keep pressing will change aspect ratios. See
page 
41 .
8. NO SHOW Button This button turns off the image and sound for a short
period of time. Press again to restore the image and
sound.
9. MENU Button Displays the menu for various settings and adjust-
ments.
10. SELECT 
 (Mouse) Button
: Use these buttons to select the menu of the
item you wish to adjust.
:Use these buttons to change the level of a se-
lected menu item. A press of the 
 b utton ex-
ecutes the selection.
When an image is magnified, the SELECT 
b utton moves the image. See page  29 .
This button also works as a computer mouse when
the supplied remote mouse receiver is connected with
y our computer. See page 
31 .
BACK
R-
CLICKL -
CLICK
VOL
FREEZE
D.ZOOMP AGE
MENU
POWER
RD-428E
INPUT
IMAGE
ASPECT
INFO.
NO SHOW
AUTO PC
1
2
4 6
78
3
5
13 11
15 14 1217
18
16
9
10 
						

							9
1. Introduction
11. OK ButtonUse this button to enter your menu selection. It works
the same way as the OK button on the cabinet. See
page 
6 .
12. BACK Button It works the same way as the BACK button on the
cabinet. See page 
6 .
13. L-CLICK Button This button works as the mouse left button when the
supplied remote mouse receiver is connected with your
computer. See page 
31 .
14. R-CLICK Button This button works as the mouse right button when the
supplied remote mouse receiver is connected with your
computer. See page 
31 .
15. VOL (+) (–) Button Press (+) to increase the volume and (–) to decrease
it. 16. PAGE 

/  Button
Use these buttons to operate your computer with the
supplied remote mouse receiver. See page  31 . Yo u
can use these buttons to scroll the viewing area of the
window or to move to the previous or next slide in
Po werPoint on your computer.
17. D. ZOOM (+) (–) Button Use this button to adjust the image size up to 400%.
The image is magnified about the center of the screen.
See page  29 .
18. FREEZE Button This button will freeze a picture. Press again to re-
sume motion. See page  29 .
BACK
R
-
CLICKL -
CLICK
VOL
FREEZE
D.ZOOMP AGE
MENU
POWER
RD-428E
INPUT
IMAGE
ASPECT
INFO.
NO SHOW
AUTO PC
1
2
4 6
78
3
5
13 11
15 14 1217
18
16
9
10 
						

							10
1. Introduction
Remote Control Precautions
• Handle the remote control carefully.
• If the remote control gets wet, wipe it dry immediately.
•A void excessive heat and humidity.
• Do not heat, take apart, or throw batteries into fire.
• Ensure that you have the batteries polarity (+/-) aligned correctly.
• If you will not be using the remote control for a long time, remove the batteries.
• Do not place the batteries upside down.
• Do not use new and old batteries together, or use different types of batteries together.
• Dispose of used batteries according to your local regulations.
Operating Range for Wireless Remote Control Battery Installation
1Press firmly and slide the
battery cover off.2Remove both old batteries and
install new ones (AAA). Ensure
that you have the batteries po-
larity (+/–) aligned correctly.3Slip the cover back over the bat-
teries until it snaps into place. Do
not mix different types of batter-
ies or new and old batteries.
Remote sensor on projector cabinet Remote control
7m/22 feet
7m/22 feet
•
The infrared signal operates by line-of-sight up to a distance of about 7 m (22 feet) and within a 60-degree angle of
the remote sensor on the projector cabinet.
• The projector will not respond if there are objects between the remote control and the sensor, or if strong light falls
on the sensor. Weak batteries will also prevent the remote control from properly operating the projector.
30°
30°
30°
30° 
						

							11
This section describes how to set up your projector and how to connect video and audio sources.
2. Installation and Connections
Your projector is simple to set up and use. But before you get started, you must first:

  Set up a screen and the projector. See page 
12 .
  Connect your computer or video equipment to the projector. See pages 
14  to  18 .
\f  Connect the supplied power cord. See page 
19 .
NOTE: Ensure that the power cord and any other cables are disconnected before moving the projector. When moving the
projector or when it is not in use, cover the lens with the lens cap.
To the wall outlet.