Mitsubishi Xl1550u Lcd Projector User Manual

							EN-11
Front projection, ceiling mounting
For ceiling mounting, you need the ceiling mount kit 
designed for this projector. Ask a specialist for installa-
tion. For details, consult your dealer.
•  The warranty on this projector does not cover any 
damage caused by use of any non-recommended 
ceiling mount kit or installation of the ceiling mount 
kit in an improper location. 
•  When using the projector mounted on the ceiling, 
set IMAGE REVERSE in the INSTALLATION menu to 
MIRROR INVERT. See page 24.
•  When the projector is mounted on the ceiling, im-
ages may appear darker than those projected in 
the case of tabletop mounting. This isn’t a product 
malfunction.
•  Ask your installation specialist to provide a breaker.
  When you do not use the projector, be sure to shut 
down the main power by the breaker.
•  Do not install the projector where the exhaust vents 
are exposed to air emitted by an air conditioning.
  Such installation may cause a breakdown.
•  Do not install the projector near a fi re alarm because 
it emits hot air from its exhaust vents.
Rear projection
Ask a specialist for installation. For details, consult 
your dealer.
•  For rear projection, set IMAGE REVERSE in the IN-
STALLATION menu to MIRROR. See page 24.
Caution:
•  Placing the projector directly on a carpet impairs 
ventilation by the fans, causing damage or failure. 
Put a hard board under the projector to facilitate 
ventilation. 
•  Place the projector at least 50 cm (or 20 inches) 
away from the wall to prevent the air inlet grille and 
the air outlet grilles that emit hot air from being 
blocked.
•  Do not use the projector in the following locations 
and manners, which may cause fi re or electric 
shock.
•  In a dusty or humid place.
•  In a sideways position, or with the lens facing 
down.
• Near a heater.
•  In an oily, smoky, or damp place such as a kitchen.
•  In direct sunlight.
•  Where the temperature rises high, such as in a 
closed car. 
•  Where the temperature is lower than +41ºF (or 
+5ºC) or higher than +95ºF (or +35ºC ).
Important:
•  We don’t recommend using the projector at an alti-
tude of 1500 meters or higher. Use at an altitude of 
1500 meters or higher may affect the projector’s life. 
Wall screen
This function is to reproduce natural color tone when 
images are projected directly onto a wall. You can se-
lect from BEIGE, LIGHT BLUE, LIGHT GREEN, PINK, 
BLACK BOARD and OFF depending on the wall to be 
used. 
1.  Display the INSTALLATION menu. (See page 23 for 
menu setting.)
2. Press the 
 or 
 button to select WALL SCREEN. 
3. Press the 
 or 
 button to select the color closest 
to that of the screen on which images are project-
ed. 
•  When projecting images on a screen or white 
wall, select OFF.
•  When OFF or BLACK BOARD is selected, 
adjustment of the color density is unavailable. 
4.  Press the ENTER button. 
5. Press the 
 or 
 button to adjust the color density. 
• As an alternative method for selecting WALL 
SCREEN, press the WALL SCREEN button on the 
remote control. 
INSTALLATION
opt.
WALL SCREEN
LAMP MODEBEIGE
STANDARD
LIGHT BLUE 1
Setting up your projector  (continued) 
						

							EN-12
Screen size and projection distance
Refer to the following table to determine the screen size. 
B
 AHd
When the aspect ratio of the screen is 4:3
 40 102 24 61 32 81 55 1.4 71 1.8 2.4  6
 60 152 36  91  48 122 84  2.1 108 2.7 3.6  9
 80 203 48 122 64 163 113 2.9 145 3.7 4.8  12
 100 254 60 152 80 203 142 3.6 182 4.6 6.0  15
 150 381  90  229 120 305 214  5.4  274  6.9  9.0  23
 200 508 120 305 160 406 285  7.3  366  9.3 12.0  31
 250 635 150 381 200 508 357  9.1  -  -  15.0  38
 300 762 180 457 240 610 429 10.9  -  -  18.0  46
Center of the lens (Height of the 
projected image)
(Width of the projected image)
Screen size
 Screen size 
 Projection distance (L)
 4:3  Diagonal size   Height A    Width B    Shortest (Wide)     Longest (Tele)      Hd
 inch  cm inch  cm inch  cm inch  m  inch  m  inch  cm
Projection distance (L)
•  The above fi gures are approximate and may be slightly different from the actual measurements.
Setting up your projector  (continued) 
						

							EN-13
2 1
2 1
Viewing computer images
A. Connecting the projector to a computer
Preparation: 
•  Make sure that the power of the projector and that of the computer are turned off. 
•  When connecting the projector to a desktop computer, disconnect the RGB cable that is connected to the monitor. 
For analog connection: 
1.  Connect one end of the supplied RGB cable to the 
COMPUTER/COMPONENT VIDEO IN-1/IN-2 terminal of 
the projector. 
2.  Connect the other end of the RGB cable to the monitor 
port of the computer.
•  Additional devices, such as a conversion connector and an 
analog RGB output adapter, are required depending on the 
type of the computer to be connected.
For monitor connection: 
1.  Connect the RGB cable from the monitor to the MONITOR 
OUT terminal of the projector. 
COMPUTER/COMPONENT 
VIDEO IN-1/IN-2
COMPUTER/COMPONENT 
VIDEO DVI-D (HDCP)To monitor port
RGB cable
DVI cable
(option) To DVI
AUDIO OUTAUDIO IN-1/IN-2
Computer
PC audio cable (option)
To PC audio
output
MONITOR OUTMonitor
•  Use of a long cable may decrease the quality of projected images. 
•  Images may not be projected correctly, depending on the type of the connected computer. 
•  Also read the instruction manual of the equipment to be connected. 
•  Contact your dealer for details of connection.For digital connection: 
1.  Connect one end of a commercially available DVI cable 
to the COMPUTER/COMPONENT VIDEO DVI-D (HDCP) 
terminal of the projector. 
2.  Connect the other end of the DVI cable to the DVI terminal 
of the computer. 
For audio connection: 
•  This projector uses stereo pin jack for its audio input. Check 
the type of the audio output terminal of the connected 
computer and prepare a proper cable for connection. Some 
computers don’t have the audio output terminal.
•  When the audio cable is connected to the AUDIO OUT ter-
minal, the speaker output is muted.
Computer
Computer
RGB cable 
						

							EN-14
1.  Plug the attached power cord into the power cord inlet of 
this projector.
2.  Plug the other end of the power cord into a power outlet.
•  The power cords for use in the U.S. and Europe are included with this projector. Use the appropriate one for your 
country. 
•  This projector uses the power plug of 3-pin grounding type. Do not take away the grounding pin from the power 
plug. If the power plug doesn’t fi t your wall outlet, ask an electrician to change the wall outlet. 
•  The provided power cord for the U.S. is rated at 120 V. Never connect this cord to any outlet or power supply 
using other voltages or frequencies than rated. If you use a power supply using other voltage than rated, prepare 
an appropriate power cord separately.
•  Use 100-240 V AC 50/60 Hz to prevent fi re or electric shock.
•  Do not place any objects on the power cord or do not place the projector near heat sources to prevent damage to 
the power cord. If the power cord should be damaged, contact your dealer for replacement because it may cause 
fi re or electric shock. 
•  Do not modify or alter the power cord. If the power cord is modifi ed or altered, it may cause fi re or electric shock. 
Caution:
•  Plug in the power cord fi rmly. When unplugging, hold and pull the power plug, not the power cord.
•  Do not plug in or out the power cord with your hand wet. It may cause electric shock.
2 
1 
Earthing 
terminal
Power cord (example)
Viewing computer images (continued)
About DDC
The COMPUTER/COMPONENT VIDEO IN-1 terminal of this projector complies with the DDC1/2B standard and the 
COMPUTER/COMPONENT VIDEO DVI-D (HDCP) terminal complies with the DDC2B standard. When a computer 
supporting this standard is connected to this terminal, the computer will automatically load the information from this 
projector and prepare for output of appropriate images. 
•  After connecting a computer supporting this standard to this terminal, plug the power cord of the projector in the 
wall outlet fi rst, and then boot up the computer.
B. Plugging the power cord 
						

							EN-15
C. Projecting images
Preparation:
•  Remove the lens cap.
•  Turn on the power of the connected computer. 
1. Confi rm the POWER indicator lights up red. 
•  If the projector was turned off before the lamp was cooled down suffi ciently last time, the fan may start rotating 
and the POWER button may not work after the power cord is plugged. (The STATUS indicator blinks green.) 
After the fan stops rotating, press the POWER button to turn back on the POWER indicator. 
2.  Press the POWER button.
•  It may take about 1 minute for the lamp to light up. 
•  The lamp fails to light up on rare occasions. In such a case, wait for a few minutes and then try again.
•  Do not cover the lens with the lens cap while the lamp is on. Do not strip off the aluminium sheet inside the 
lens cap. 
• 
After the POWER button is pressed, the image may fl icker before the lamp becomes stable. This is not a prod-
uct malfunction. 
•  Regardless of the setting of LAMP MODE in the INSTALLATION menu, the STANDARD lamp mode is activated 
by default whenever the projector is turned on. When LAMP MODE has been set to LOW, the lamp mode 
changes from STANDARD to LOW about 1 minute after turn-on. 
•  The projector starts warming up when the POWER button is pressed. During the warm-up process, images 
may appear dark and no commands are accepted.
•  By blinking red, the STATUS indicator indicates that the lamp should be replaced soon. Replace the lamp when 
the STATUS indicator blinks red. (See page 37.) 
3.  Select an input source. 
•  Press the COMPUTER button on the projector or the COMPUTER 1, COMPUTER 2 or DVI-D(HDCP) button on 
the remote control that is corresponding to the terminal in use. 
•  The input source is switched from COMPUTER1 to COMPUTER2 to DVI at every press of the COMPUTER 
button on the projector. 
•  The projector automatically selects the appropriate signal format. The selected signal format is displayed on 
the screen.
•  The COMPUTER, COMPUTER 1, COMPUTER 2 and DVI-D(HDCP) buttons don’t function while the menu is 
being displayed. 
•  Though it may take some time before an image is displayed on the screen depending on the type of the input 
signal, such symptom is not a malfunction. 
•  Images may not be projected in the correct position, depending on the type of the input signal. In such a case, 
press the AUTO POSITION button. (See page 16.)
•  When COMPUTER1 or COMPUTER2 is chosen as the source, images supplied from the computer may fl icker. 
Press the  or  button on the remote control to reduce fl icker, if it occurs.
4.  Adjust the position of the projector to keep an appropriate projection distance with which images are projected in 
their specifi ed sizes. 
5.  Adjust the position of the projector so that the projector and the screen are perpendicular to each other. (See page 10.) 
•  When the projector cannot be positioned perpendicularly to the screen, adjust the projection angle. (See page 10.)
6.  Adjust the size of the projected image by turning the ZOOM ring. 
7.  Adjust the focus by turning the FOCUS ring. 
Repeat steps 4 to 7, if necessary. 
Important:
•  When a 16:9 image is kept displayed for a long time before displaying 4:3 image, the afterimages of the black bars 
may appear on the 4:3 image screen. (See page 42.)
POWER buttonCOMPUTER button FOCUS ringCOMPUTER 1, 2 buttons
DVI-D(HDCP) button
ZOOM ringPOWER button
Viewing computer images (continued) 
						

							EN-16
Viewing computer images (continued)
To stop projecting:
8.  Press the POWER button. 
• A confi rmation message is displayed.
•  To cancel the procedure, leave the projector for a while or press the MENU button. 
9.  Press the POWER button. 
•  The lamp goes out and the projector goes into a standby mode. In this standby mode, the STATUS indicator 
blinks green. 
10. Wait about 2 minutes. 
•  During this period of 2 minutes in the standby mode, the intake fan and exhaust fan rotate to cool the lamp. 
•  The lamp can’t be lit again for 1 minute after turned off for safety purpose. It will take another 1 minute for the 
STATUS indicator to go out. If you want to turn on the projector again, wait until the indicator goes out, and 
then press the POWER button.
•  The air outlet fans rotate faster as the temperature around the projector rises.
•  Do not unplug the power cord while the STATUS indicator is blinking. Unplugging the power cord immediately 
after use may cause a breakdown. 
•  Though the fans make loud sounds during cooling, such symptom is not a malfunction.
11. Unplug the power cord from the outlet. 
•  The POWER indicator will go out. 
•  If the power cord should be unplugged accidentally while either the air inlet fan or the air outlet fans are oper-
ating or the lamp is on, allow the projector to cool down for 10 minutes with the power off. To light the lamp 
again, press the POWER button. If the lamp doesn’t light up immediately, repeat pressing the POWER button 2 
or 3 times. If it should still fail to light up, replace the lamp. 
•  Cover the lens with the lens cap to protect it from dust. 
•  If necessary, disconnect the cables from the computer after unplugging the power cord.
AV mute
The video and audio signals are temporarily muted when the MUTE button is pressed. To cancel muting, press the 
MUTE button again.
•  It takes several seconds before muting is completely canceled. 
•  If MUTE MODE in the INSTALLATION menu is set to IMAGE, the splash screen will appear when the MUTE button 
is pressed. 
•  You can alter the splash screen optionally. See page 32. 
•  The audio from the AUDIO OUT terminal is also muted by pressing the MUTE button.
AUTO POSITION button 
When the image supplied from the computer is displaced, carry out the following procedure. 
1.  Project a bright image containing as many texts and characters as possible. 
2.  When the screen saver has been enabled, disable it. 
3.  Press the AUTO POSITION button.  
  The projector automatically makes optimum positional settings for the input signal. 
•    If the projected image is still displaced even after pressing the AUTO POSITION button several times, refer to 
the procedure to adjust computer images. (See pages 30 and 31.)
•    When you carry out this procedure with a dark image, the image may be displaced. 
When connecting to a notebook computer:
When the projector is connected to a notebook computer, images may not be projected in some cases. In such 
cases, set the computer so that it can output signals externally. The setting procedure varies depending on the type 
of the computer. See the instruction manual of your computer.
Example of the setting procedure for external output
Press the [Fn] key and any of the keys [F1] to [F12] at the same time. (The key to be pressed depends on the type of 
the computer you use.) 
POWER buttonPOWER button 
						

							EN-17
12
4
3
13
4
2
Connecting to a video player, etc.
1.  Connect one end (yellow) of the supplied audio/video cable 
to the VIDEO IN terminal of the projector. 
2.  Connect one end (white and red) of the supplied audio/
video cable to the audio input terminals (L/MONO, R) of the 
projector. 
3.  Connect the other end (yellow) of the audio/video cable to 
the video output terminal of the video equipment. 
4.  Connect the other end (white and red) of the audio/video 
cable to the audio output terminals (L, R) of the video 
equipment. 
•  When connecting a monophonic video device, use the white (L) terminal to connect the audio cable. (The same 
audio signal is output from the channels L and R of the AUDIO OUT terminal.) 
•  Also read the instruction manual of the equipment to be connected. 
•  Contact your dealer for details of connection.
When a TV tuner or VCR is connected:
When you use this projector with a TV tuner or VCR connected, no image may appear or a message of NO SIGNAL 
may appear on the screen when you change the channel via any channel that is not being received. In such a case, 
set the channels of the TV tuner or VCR again. To avoid such symptom, use the TV tuner or VCR with its channel skip 
function (that is a function not to display channels that are not being received) enabled. When the video equipment is equipped with the S-video 
output terminal, make the connection as follows. 
1.  Connect one end of a commercially available S-video cable 
to the S-VIDEO IN terminal of the projector. 
2.  Connect the other end of the S-video cable to the S-video 
output terminal of the video equipment. 
3.  Connect one end (white and red) of the supplied audio/
video cable to the audio input terminals (L/MONO, R) of the 
projector. 
4.  Connect the other end (white and red) of the supplied 
audio/video cable to the audio output terminals (L, R) of the 
video equipment.
To VIDEO 
IN terminalsTo video 
output 
terminal Video player, or the like
To S-VIDEO 
IN terminal S-video cable (option)
To S-video 
output 
terminalVideo player, or the likeAudio/video 
cable
Viewing video images
A. Connecting the projector to video equipment
Preparation:
•  Make sure that the power of the projector and that of the video equipment are turned off.
To audio input 
terminalsTo audio 
output 
terminals
To audio input 
terminalsAudio/video 
cable To audio 
output 
terminals
AUDIO OUT
Audio cable (option)To audio 
input 
terminals
For audio connection: 
1.  Connect one end of an audio cable to the AUDIO OUT 
terminal of the projector. 
2.  Connect the other end (white and red) of the audio cable to 
the audio input terminals (L, R) of the audio equipment.
•  When the audio cable is connected to the AUDIO OUT ter-
minal, the speaker output is muted. 
						

							EN-18
Connecting to video equipment having a DVI-D terminal
You can project high-quality images by connecting the DVI-D terminal of this projector to video equipment having a 
DVI-D output terminal. In addition, this projector supports HDCP and is able to receive encrypted digital video data 
that are output from DVD players. 
•  For connection to the DVI-D terminal, use a commercially available DVI cable. 
•  Select DVI as the input source. 
•  Only RGB signals are supported. Component video signals are not supported. 
•  HDCP (High-bandwidth Digital Content Protection), developed by Intel Corporation, is a method to encrypt digital 
video data for the purpose of copy protection. 
•  When DVI is selected as the input source, settings of COLOR, TINT, FINE SYNC., TRACKING, HOLD, etc. are 
unavailable. 
•  Use AUDIO IN-1 terminal for audio input.
When you connect this projector and a DVI-Digital device (such as a DVD player) via the DVI-D (HDCP) 
terminal, black color may appear dark and deep, depending on the type of the connected device. 
•  This depends on the black level setting of the connected device. There are 2 kinds of methods to digitally transfer 
image data, in which different black level settings are employed respectively. Therefore, the specifi cations of the 
signals output from DVD players differ, depending on the type of the digital data transfer method they use. 
•  Some DVD players are provided with a function to switch the methods to output DVI-digital signals. When your 
DVD player is provided with such function, set it as follows.
  EXPAND or ENHANCED 
 NORMAL
•  See the users guide of your DVD player for details. 
•  When your digital device does not have such function, set INPUT LEVEL to ENHANCED in the ADVANCED 
MENU of the IMAGE menu of this projector, or adjust the black color by viewing the image.
B. Plugging in the power cord
Plug the power cord in the same way as in the case of “Viewing computer images.” (See page 14.)
Equipment having a 
DVI-D terminalTo audio output 
terminalsAudio cable (option)
To audio input 
terminals
To DVI-D terminal
DVI cable (option)COMPUTER/COMPONENT 
VIDEO DVI-D (HDCP)
Viewing video images (continued)
CB(PB) Y CR(PR) 
B  G R HD/CS VD 
AUDIO IN-1/IN-2
Projector + DVD player or HDTV decoder
Some DVD players have an output connector for 3-line fi tting (Y, CB, CR). When connecting such DVD player with this 
projector, use the COMPUTER/COMPONENT VIDEO
 IN-1/IN-2 terminal. 
•  The terminal’s names Y, PB, and PR are given as examples of when a HDTV decoder is connected.•  The terminal’s names vary depending on the connected devices. 
•  Use a Mini D-SUB 15-pin-BNC conversion cable for connection.
•  Image may not be projected correctly with some DVD players.
•  When connecting a HDTV decoder having RGB output terminals, set COMPUTER INPUT to RGB in the SIGNAL menu.
Mini D-SUB 15 pin-BNC 
Conversion cable (option)
DVD player
 or HDTV decoder
BNC-RCA connector (option) No connectionCOMPUTER/COMPONENT VIDEO 
IN-1/IN-2
Audio cable (option)
To audio output terminals 
						

							EN-19
C. Projecting images
Preparation:
•  Remove the lens cap.
•  Turn on the power of the connected video equipment. 
1. Confi rm the POWER indicator lights up red. 
•  If the projector was turned off before the lamp was cooled down suffi ciently last time, the fan may start rotating 
and the POWER button may not work after the power cord is plugged. (The STATUS indicator blinks green.) 
After the fan stops rotating, press the POWER button to turn back on the POWER indicator. 
2.  Press the POWER button. 
•  It may take about 1 minute for the lamp to light up. 
•  The lamp fails to light up on rare occasions. In such a case, wait for a few minutes and then try again. 
•  Do not cover the lens with the lens cap while the lamp is on. Do not strip off the aluminium sheet inside the 
lens cap.
• 
After the POWER button is pressed, the image may fl icker before the lamp becomes stable. This is not a prod-
uct malfunction. 
•  Regardless of the setting of LAMP MODE in the INSTALLATION menu, the STANDARD lamp mode is activated 
by default whenever the projector is turned on. When LAMP MODE has been set to LOW, the lamp mode 
changes from STANDARD to LOW about 1 minute after turn-on. 
•  The projector starts warming up when the POWER button is pressed. During the warm-up process, images 
may appear dark and no commands are accepted.
•  By blinking red, the STATUS indicator indicates that the lamp should be replaced soon. Replace the lamp when 
the STATUS indicator blinks red. (See page 37.) 
3.  Select an input source. 
•  Press the VIDEO button on the projector or the VIDEO or S-VIDEO button on the remote control that is 
corresponding to the terminal in use. 
•  The input source is switched between VIDEO and S-VIDEO at every press of the VIDEO button on the projector. 
• The VIDEO and S-VIDEO buttons don’t function while the menu is being displayed. 
•  Though it may take some time before an image is displayed on the screen depending on the type of the input 
signal, such symptom is not a malfunction. 
•  Some images become easier to view when the setting of aspect ratio is changed. (See page 21.)
•  When projecting images from a DVD player that is connected to the COMPUTER/COMPONENT VIDEO DVI-
D(HDCP) terminal, press the COMPUTER button on the projector to select DVI or press the DVI-D (HDCP) 
button on the remote control. 
•  When projecting images from a DVD player that is connected to the COMPUTER/COMPONENT VIDEO IN-1/
IN-2 terminal, press the COMPUTER button on the projector or the COMPUTER 1 or COMPUTER 2 button on 
the remote control. 
4.  Adjust the position of the projector to keep an appropriate projection distance with which images are projected in 
their specifi ed sizes. 
5.  Adjust the position of the projector so that the projector and the screen are perpendicular to each other. (See page 10.) 
•  When the projector cannot be positioned perpendicularly to the screen, adjust the projection angle. (See page 10.)
6.  Adjust the size of the projected image by turning the ZOOM ring. 
7.  Adjust the focus by turning the FOCUS ring. 
Repeat steps 4 to 7, if necessary. 
POWER button
VIDEO button FOCUS ring
VIDEO button DVI-D (HDCP) button
ZOOM ringPOWER button
S-VIDEO button COMPUTER1, 2 buttons
COMPUTER button
Viewing video images (continued) 
						

							EN-20
To stop projecting:
8.  Press the POWER button. 
• A confi rmation message is displayed.
•  To cancel the procedure, leave the projector for a while or press the MENU button. 
9.  Press the POWER button. 
•  The lamp goes out and the projector goes into a standby mode. In this standby mode, the STATUS indicator 
blinks green. 
10. Wait about 2 minutes.
•  During this period of 2 minutes in the standby mode, the intake fan and exhaust fan rotate to cool the lamp. 
•  The lamp can’t be lit again for 1 minute after turned off for safety purpose. It will take another 1 minute for the 
STATUS indicator to go out. If you want to turn on the projector again, wait until the indicator goes out, and 
then press the POWER button.
•  The air outlet fans rotate faster as the temperature around the projector rises.
•  Do not unplug the power cord while the STATUS indicator is blinking. Unplugging the power cord immediately 
after use may cause a breakdown. 
•  Though the fans make loud sounds during cooling, such symptom is not a malfunction. 
11. Unplug the power cord from the outlet. 
•  The POWER indicator will go out. 
•  If the power cord should be unplugged accidentally while either the air inlet fan or the air outlet fans are oper-
ating or the lamp is on, allow the projector to cool down for 10 minutes with the power off. To light the lamp 
again, press the POWER button. If the lamp doesn’t light up immediately, repeat pressing the POWER button 2 
or 3 times. If it should still fail to light up, replace the lamp. 
•  Cover the lens with the lens cap to protect it from dust. 
Volume from the speaker
Press the VOLUME + or - button to change the volume from the speaker.
The volume control bar will appear on the screen.
•  The volume control bar will disappear about 10 seconds after the VOLUME button is released.
•  The VOLUME buttons don’t function while the menu selection bar or the menu is being displayed. 
•  When a high-level audio signal, such as a DVD audio signal, is supplied to the AUDIO IN terminals, the output from 
the speaker may be distorted.
•  When the audio cable is connected to the AUDIO OUT terminal, the speaker output is muted.
•  The volume of the audio from the AUDIO OUT terminal is also changed by pressing the VOLUME buttons.
•  The volume of the audio from the AUDIO OUT terminal varies within the range between 0 and 32.
POWER button
POWER button
Viewing video images (continued)
VOLUME     15