3M Sx55 Operators Guide

							
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ENGLISH
3M
X45/SX55 Digital Projector
Operators Guide
Thank you for purchasing this projector.WARNING  ►Before using, read the "User's Manual - Safety Guide" and 
these manuals to ensure correct usage through understanding. After reading, 
store them in a safe place for future reference.
About this manual
Various symbols are used in this manual. The meanings of these symbols are 
described below. 
WARNING  This  symbol  indicates  information  that  ,  if  ignored,  could  possibly 
result in personal injury or even death due to incorrect handling.
CAUTION  This  symbol  indicates  information  that  ,  if  ignored,  could   result 
possibly  in  personal  injury  or  physical  damage  due  to  incorrect 
handling.
 Please refer to the pages written following this symbol.
NOTE  • The information in this manual is subject to chance without notice.
• The manufacture assumes no responsibility for any errors that may appear in this manual.
• The reproduction, transmission or use of this document or contents is not permitted without  express written authority
.
Trademark acknowledgment
•  VGA  and  XGA  are  registered  trademarks  of  the  International  Business  Machines  Corporation.
• Apple and Mac are regi stered trademarks of the Apple Computer, Inc.
• VESA and SVGA a re trademarks of the Video Electronics Standard Association.
•  Windows is a registered trademark of the  Microsoft Corporatio
n.
• Internet Explorer is a trade mark of the Microsoft Corporation.
All other trademarks are the property of their respective owners.
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About this manual . . . . . . . . . . 1
Contents . . . . . . . . . . . . . . . . . 2
Projector feature
s . . . . . . . . . . 3
Preparation
s . . . . . . . . . . . . . . 3
Part name
s . . . . . . . . . . . . . . . 4 
Projector . . . . . . . . . . . . . . . . . . . . . 4 
Controls . . . . . . . . . . . . . . . . . . . . . . 5 
Remote control . . . . . . . . . . . . . . . . 5
Setting up . . . . . . . . . . . . . . . . 6 
Arrangement . . . . . . . . . . . . . . . . . . 7 
Adjusting the projector's elevator . . 8 
About the filter cover for bottom-up use . . 9 
Connecting your devices . . . . . . . . 10 
Connecting power supply . . . . . . . 13
Remote contro
l . . . . . . . . . . . 14 
Putting batteries . . . . . . . . . . . . . . 14 
Using the remote control . . . . . . . . 15
Power on/of
f . . . . . . . . . . . . . 16 
Turning on the powe
r . . . . . . . . . . . 16 
T urning off the power . . . . . . . . . . . 16
Operating . . . . . . . . . . . . . . . 17 
Adjusting the volume . . . . . . . . . . . 17 
Temporarily muting the soun
d . . . . 17 
Selecting an input signal . . . . . . . . 17 
Searching an input signal . . . . . . . 18 
Selecting the aspect ratio . . . . . . . 18 
Adjusting the zoom and focus . . . . 18 
Using the automatic adjustment feature . 19 
Adjusting the position . . . . . . . . . . 19 
Correcting the keystone distortions 19 
Using the magnify feature . . . . . . . 20 
Freezing the screen . . . . . . . . . . . . 20 
Temporarily blanking the scree
n . . 20 
Operating the computer screen . . . 21
Multifunctional settings . . . . 22 
Using the menu function  . . . . . . . . 22
EASY Menu . . . . . . . . . . . . . . . . . . 23 
Aspect, Keystone, Mode, Bright, 
Contrast, Color, Tint, Sharpness, 
Whisper, Mirror, Reset, Filter time, 
Language, Go to advanced menu
Contents
Contents
PICTURE Menu . . . . . . . . . . . . . . . 25 
Bright, Contrast, Gamma, Color temp, 
Color, Tint, Sharpness, Progressive,
 
My memory
IMAGE Menu . . . . . . . . . . . . . . . . . 28 
Aspect, Over scan, V. position, H. 
position, H. phase, H. size, Auto adjust
INPUT Menu . . . . . . . . . . . . . . . . . 30 
Color space, Component, Video format, 
Frame lock, Information
SETUP Menu . . . . . . . . . . . . . . . . . 32 
Keystone, Whisper, Mirror, Volume
SCREEN Menu . . . . . . . . . . . . . . . 33 
Language, Menu position, OSD bright, 
Blank, Start up, MyScreen,  
MyScreen lock, Message
OPTION Menu . . . . . . . . . . . . . . . . 36 
Search, Auto off, Lamp time, Filter time, 
Service
Maintenance . . . . . . . . . . . . . 38 
Lamp . . . . . . . . . . . . . . . . . . . . . . . 38 
Air filte
r . . . . . . . . . . . . . . . . . . . . . 40 
Other care . . . . . . . . . . . . . . . . . . . 41
Troubleshootin
g . . . . . . . . . . 42 
Related messages . . . . . . . . . . . . . 42 
Regarding the indicator lamps . . . . 44 
Phenomena that may easily be 
mistaken for machine defects . . . . 46
Warranty and after-ser vice . . . 48
Specification
s . . . . . . . . . . . . 48


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Projector features / Preparations
Projector features
This projector is used to project various computer signals as well as NTSC / PAL 
/ SECAM video signals onto a screen. It requires just a little space for installation 
and gets a large image from short distance.
 High Brightness
Newly developed 165W UHB (Ultra High Brightness) lamp gives you a higher 
brightness image on a screen. The image can be still kept as bright and clean 
enough for use in bright rooms.
 Low Noise
WHISPER mode is equipped for reducing acoustic noise to realize quieter 
operation. It is perfect for use in low luminance rooms where low noise is more 
important than brightness.
 Rich Connectivity
This projector has a variety of I/O ports. It can be easily connected to many 
signal sources like PC, DVD and so on. The rich connectivity provides you 
more options to make your presentation impressive.
 Compact Body
Even with its many features, this projector is extremely compact and slim, 
which gives you more flexibility and usability to use it where you want.
Preparations
About contents of  package
Please see the "Contents of package" of the "User's manual - Quick guide". Your 
projector should come with the items shown there. Contact immediately your 
dealer if anything is missing.
NOTE
  • Keep the original packing materials for future reshipment. For 
moving the projector, be sure to use the original packing material
. Use special 
caution for the lens part.

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Part names
Lens (16) 
Lens cover (16)(Slide door)
Filter cover (40)
(Air filter and intake vent 
are inside.)
Elevator button (8) 
Elevator foot (8) 
Remote sensor (15)
Zoom knob (18)
Focus ring (18)
Vent (6)
AC inlet (13)
Power switch (16)
Elevator button (8) 
COMPONENT VIDEO ports (12)YCB/PBCR/PR
S-VIDEO port (12)
VIDEO port (12)
CONTROL port (11)
Part names
Projector
Lamp cover (Lamp unit is inside.) (38)
Elevator foot (8) 
Bottom side
Speaker (6)
Front-Right side
Rear-Left side
Control buttons
(See the following page.) (5)
Ports 
(See below.)
Vent (6)
AUDIO OUT port (11)
Ports
AUDIO IN1 port (11)
AUDIO IN2 port (11)
USB port (11)
Restart switch (*) (46)
RGB IN1 port (11)
RGB IN2 port (11)
RGB OUT port (11)
Kensington lock slot 
NOTE  (*) About Restart switch: This Projector is controlled by an internal 
microprocessor. Under certain exceptional circumstances, the projector may not 
operate correctly and the microprocessor will need to be reset. In such a case, 
please push the Restart switch by using a cocktail stick or similar and before 
turning on again, make the projector cool down at least 10 minutes without 
operating. Only push the Restart switch in these exceptional instances.
Y
VIDEO AUDIO IN1
RGB IN1
CONTRO
L RGB IN2
RGB OU
TAUDIO IN2AUDIO OU
T
US
B
S-VIDEO
COMPONENT VIDEO
CB/PBCR/PR

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Part names
LAMP indicator (44)
TEMP indicator (44)
POWER indicator (16) 
STA
NDBY/ON button (16)
Cursor buttons
▲,▼,◄,► (22) 
INPUT button
 (17)
Remote control
RGB button (17) 
VIDEO button (17)
ASPECT button (18)
HOME button (21) 
MAGNIFY (20)  
ON button  
OFF button 
END button (21) 
FREEZE button (20) 
POSITION button (19) 
Cursor buttons 
▲,▼,◄,►(22)
ESC button (22) 
SEARCH button (18) 
STANDBY/ON button
 (16) 
AUTO
 button (19)
BLANK button (20) 
VOLUME button (17) 
PAGE UP button
 (21) 
MUTE button (17) 
PAGE DOWN button
 (21) 
KEYSTONE button
 (19) 
MENU button (22)
ENTER button (22)
RESET button
 (22)
Control buttons
ST ANDBY/O N INPUT
MENU
POWER T E M P L A M P
VIDEO RGBSEARCHST
ANDBY/ON
FREEZEOFF
ONMAGNIFY
ASPECT AUTOBLANK
HOMEPAGE UP
PAGE DOWNENDMUTE
VOLUME
KEYSTONE
POSITION
ES
C ENTE
RMENU
RESE
T

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Setting up
Setting up
WARNING  ►Place the projector in a stable position horizontally. A fall or 
a turnover could cause an injury and/or damage to the projector. Then using 
damaged projector could result in a fire and/or an electric shock.
•  Don’t place the projector on an unstable, slant or vibrant surface such as a 
wobbly or inclined stand.
•  Do not place the projector in the side/front/rear-up position, except care of the  air filter. 
•  For the projector installed bottom-up, use the accessory filter cover for bottom-
up use. And in the case of a ceiling installation or the like, contact your dealer 
before installation. 
►Place the projection in a cool place, and pay attention enough to ventilation. 
The high temperature of the projector could cause a fire, a burn and/or 
malfunction to the projector.
•  Don’t stop up, block and cover the projector's vents.
•  Keep a space of 30 cm or more between the sides and other objects such as 
walls.
• Don’t place the projector on a metallic thing or anything weak in heat.
•  Don’t place the projector on a carpet, cushion or bedding.
•  Don’t place the projector in direct sunlight or near a hot object such as heater.
•   Put nothing about lens and vents of the projector. Put nothing on the projector.
•  Put nothing that is sucked or sticks to the bottom of projector. This projector 
has some intake vents also on the bottom.
►Do not place the projector on the place that gets wet. Damping the projector 
or inserting liquid in the  projector could cause a fire, an electric shock and/or 
malfunction to the projector.
•  Don’t place the projector in a bathroom or the outdoors.
•   Put nothing containing the liquid near the projector.
CAUTION  ►Avoid a smoky, humid or dusty place. Placing the projector 
in such place could cause a fire, an electric shock and/or malfunction to the 
projector.
• Don’t place the projector near a humidifier, a smoking space or a kitchen.
• Put nothing containing the liquid near the projector.
►Adjust the direction of the projector to keep light from directly hitting the 
projector's remote sensor.

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(a) Screen size [inch (m)](b) Projection distance [m (inch)](c) Screen height [cm (inch)]min.max.downup
30(0.8)0.9(35)1.1(42)5(2)41(16)
40(1.0)1.2(47)1.4(56)6(2)55(22)
50(1.3)1.5(59)1.8(71)8(3)69(27)
60(1.5)1.8(72)2.2(85)9(4)82(32)
70(1.8)2.1(84)2.5(100)11(4)96(38)
80(2.0)2.4(96)2.9(114)12(5) 110(43)
90(2.3)2.7(108)3.3(129)14(5)123(49)
100(2.5)3.1(120)3.6(143)15(6)137(54)
120(3.0)3.7(144)4.4(172)18(7)165(65)
150(3.8)4.6(181)5.5(216)23(9)206(81)
200(5.1)6.1(242)7.3(288)30(12)274(108)
250(6.4)7.6(303)9.2(361)38(15)343(135)
300(7.6)9.2(363) 11.0(433)46(18)411(162)
(a) Screen size [inch (m)](b) Projection distance [m (inch)](c) Screen height [cm (inch)]min.max.downup
30(0.8)1.0(38)1.2(46)-1(0)39(15)
40(1.0)1.3(52)1.6(62)-2(-1)51(20)
50(1.3)1.6(65)2.0(77)-2(-1)64(25)
60(1.5)2.0(78)2.4(93)-2(-1)77(30)
70(1.8)2.3(91)2.8(109)-3(-1)90(35)
80(2.0)2.7(105)3.2(125)-3(-1)103(41)
90(2.3)3.0(118)3.6(140)-4(-1) 116(46)
100(2.5)3.3(131)4.0(156)-4(-2)129(51)
120(3.0)4.0(158)4.8(188)-5(-2)154(61)
150(3.8)5.0(197)6.0(235)-6(-2)193(76)
200(5.1)6.7(264)8.0(314)-8(-3)257(101)
250(6.4)8.4(330)10.0(393)-10(-4)322(127)
300(7.6)10.1(396)12.0(472)-12(-5)386(152)
Arrangement
Refer to the illustrations and tables below to determine the screen size and projection 
distance.
The values shown in the table are calculated for a full size screen: 1280 x 720 
(a) The screen size (diagonal)
(b) Distance from the projector to the screen (±10%)
(c) The height of the screen (±10%)
Setting up
At 16:9  screen
At 4:3 screen
(c) up
(b)
(c)  down
4:3
(a)
16:9
(a)

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Adjusting the projector's elevator
WARNING  ►Do not adjust the projector’s elevator during use or 
immediately after use. Handling while the projector is in a high temperature 
could cause a burn and/or malfunction to the projector.
 
CAUTION  ►If you press the elevator button without holding the projector, 
the projector might crash down, overturn, smash your fingers and possibly 
result in malfunction. To prevent damaging the projector and injuring yourself, 
always hold the projector whenever using the elevator buttons to adjust the 
elevator feet.
►Except for inclining by the elevator feet adjustment, place the projector 
horizontally.
You can use the elevator feet to make adjustments if the surface on which you 
need to set the projector is uneven or if you otherwise need to adjust the angle of 
projection. The adjustment range of the elevator feet is 0 to 9 degrees.
1. After making sure that the projector is cool adequately, press and hold in the 
elevator buttons  while holding the projector. 
   The elevator buttons and the elevator feet are on the both sides.
2. Raise or lower the projector to the desired height and the release the elevator 
buttons.  
   When you release the elevator buttons, the elevator feet will lock into position.
3. As necessary, you can also finely adjust the height of the projector by twisting 
the elevator feet by hand.
Elevator feetElevator button
Setting up

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Setting up
About the filter cover for bottom-up use
WARNING  ►Do not replace the filter cover during use or immediately 
after use. While the projector connects with a power supply, or the projector is 
in a high temperature state, handling could cause an electric shock, a fi re, a 
burn and/or malfunction to the projector.Before handling, make sure the power 
switch is off and the power cord is not plugged in, then wait at least 45 minutes.
When the projector is installed bottom up, please use the accessory fi lter cover 
for bottom-up use. It is higher than usual filter cover, to keep the space for intake 
ventilation. Please change in the following procedure.
1. After making sure that the projector is cool adequatel y, slowly turn the 
projector so that the lens-side is facing up. Please be careful for a projector 
not to fall. While the projector is placed lens-side up, hold the projector.
2. Putting a finger on the filter cover’s knob, slide the filter cover in the direction 
of the arrow to remove it.
3. Replace the filter cover for bottom-up use and snap it back into place.
4. Slowly turn the projector so that the top is facing up.
Filter cover’s knob
To setFilter cover’s knob
Filter cover 
To remove
Filter cover for bottom-up use

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Setting up
Connecting your devices
CAUTION  ►Turn off all devices prior to connecting them to the projector. 
Attempting to connect a live device to the projector may generate extremely 
loud noises or other abnormalities that may result in malfunction and/or damage 
to the device and/or projector.
►Use the accessory cable or a designated-type cable for the connection. 
Some cables have to be used with core set. A too long cable may cause a 
certain picture degradation. Please consult with your dealer for details. For 
cables that have a core only at one end, connect the core to the projector .
►Make sure that you connect devices to the correct port. Incorrect connection 
may result in malfunction and/or damage to the device and/or projector . 
NOTE  • Whenever attempting to connect a laptop computer to the projector, be sure 
to activate the laptop’s RGB external image output (set the laptop to CRT display or to 
simultaneous LCD and CRT display). For details on how this is done, please refer 
to the 
instruction manual of the corresponding laptop computer.
• Secure the screws on the connectors and tighten.
• Some computers may have multiple display screen modes. Use of some of these 
modes wi ll not be possible with this projector.
• For some RGB signal modes, the optional Mac adapter is necessary.
• When the image resolution is ch anged on a computer, depending on an input, 
automatic adjust function may take some time and may not be completed. In this case, 
you may not be able to see a check box to select “Yes/No” for the new resolution on 
Windows. Then the resolution will go back to the original. It might be recommended to 
use other CRT or LCD monitors to change the resolution.
About Plug-and-Play capability
Plug-and-Play is a system composed of the computer, its operating system and 
peripheral equipment (i.e. display devices). This projector is compatible with VESA DDC 
2B. Plug-and-Play can be achieved by connecting this projector to computers that are 
VESA DDC (display data channel) compatible. 
• Please take advantage of this function by connecting the accessory RGB cable to the 
RGB IN1 port (DDC 2B compatible). Plug-and-Play may not work properly if any other 
type of connection is attempted.
• Please use the standard drivers in your computer as this projector is a Plug-and-Play 
monitor.

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