3M Multimedia Projector Mp8750 Operators Manual

							63MÔ Multimedia Projector MP8750Ó 3M 1999
3-5. Image Size (Projector-to-Screen Distance)
Adjust the size of the projected image using the zoom control buttons. The projected image size values, as they relate to the
distance-to-screen value, are shown for focal lengths of f=25mm and f=45mm. Also shown is the maximum image height
shift value that can vary depending on the focal length and the distance-to-screen.  Figure 3.4.
Maximum (f=25mm)Minimum (f=45mm)
Distance to Screen
m (ft.)Image
Width
m (in.)Image
Height
m (in.)Max
Height
m (in.)Image
Width
m (in.)Image
Height
m (in.)Max
Height
m (in.)
2.00
(6.56)1.42
(56)1.06
(41.7).43
(16.9).80
(31.5).60
(23.6).24
(9.5)
2.50
(8.2)1.76
(69.3)1.32
(52).54
(21.3).99
(39).74
(29.1).30
(11.8)
3.00
(9.84)2.11
(83.1)1.57
(61.8).64
(25.2)1.18
(46.5).89
(35).36
(14.2)
5.00
(16.4)3.48
(137)2.60
(102.4)1.06
(41.7)1.96
(77.2)1.47
(57.9).60
(23.6)
7.00
(22.97)4.85
(191)3.62
(142.5)1.47
(57.9)2.73
(107.5)2.05
(80.71).83
(32.7)
10.00
(32.81)6.90
(271.7)5.16
(203.2)2.10
(82.7)3.88
(152.8)2.92
(115)1.18
(46.5)
Figure 3.4. Image Size/Maximum Image Height
3-6. Image Height
Use the Picture menu/Height option to shift (upward) the projected image. The center of the projected image can be shifted
a maximum of 12 degrees without incurring any keystoning. Figure 3.5.
Figure 3.5.  Maximum Image Shift
12 Degree Maximum Shift 
						

							Ó 3M 19993MÔ Multimedia Projector MP87507
 Section 4: Operating Instructions
4-1. Power Up Projector
Read the Important Safeguards before operating the MP8750 projector. After all cable connections have been completed, the
projector can be powered up. During operation, keep the exhaust and intake air vents clear of obstructions to allow proper
cooling.
!Caution
Allow a projector that has been stored in a cold place to warm up to room
temperature before applying power.
Figure 4-1. Power Up Projector
1. 
Press the Main Power switch (1) to ON. A red LED indicator will illuminate to indicate there is power.
2. 
Press the Standby button (2) to illuminate the lamp. A red LED indicator will turn green as an image appears and grows
brighter on the screen.
3. 
Check all ventilation slots (3) and clear away all obstructions.ü ü
 Note
Ventilation vents are located on the top and back of the projector. Do not
block airflow by placing objects on top of the projector.
4. Adjust the Focus (4) and Zoom (5) for best image.
5. 
Press the Foot Release button (6) to release the height adjustment foot (7).
6. 
Power up your computer and video source(s).ü ü
 Note
In most cases, the projector will automatically adjust to the graphic mode
of your computer by selecting a pre-programmed setting. 
						

							83MÔ Multimedia Projector MP8750Ó 3M 1999
4-2. Standby Mode
When the projector is not being used, place it into standby mode.
1. 
Press the Standby button.
2. 
The lamp will switch off and the red LED will illuminate.ü ü
 Note
The fan motor will continue to run for a few minutes until the projector
cools down and then the fan will turn off.
3. Press the Standby button again to illuminate the lamp and project an image on the screen.
4-3. Projector Power Down
1. Press the Standby button to place the projector in the standby mode (red LED illuminates).
2. 
Wait until the cooling fan motor cycles off and the lamp LED turns off.ü ü
 Note
Switching the main power off before the fan has cycled off will decrease the life of
the projection lamp.
3. Press the Main Power switch to Off.
4. 
Turn off the power to your input devices.
5. 
Install lens cap to protect projection lens.
6. 
To transport the projector, disconnect all power and connection cables.
4-4. Using System Menus
Main Menu: Press the Menu button on the operator touch panel keypad (Figure 3-3) or the remote control keypad (Figure
5-1) to display the Main Menu.
The menu name (1) is on the top line.
An arrowhead (2) at the right of a menu line indicates
that this item is a sub-menu that can be selected.
A text field (3) at the right of a line indicates that this is a
value that you can change in a drop down window.
Info:  Press Enter to display the Info window.
To select a sub-menu, press the Disc Pad up or down to highlight (select) the desired sub-menu (4).  Then press the Disc
Pad to the right or the Enter button to display the sub-menu (see Sub-Menu).
To change a text field value, press the Disc Pad up or down to highlight (select) the menu line (3).  Then press the Disc Pad
to the right or the Enter button to display a drop down window of all the possible values. Use the Disc Pad to select a value
and press Enter to initiate the selection.
To exit a sub-menu, press the Disc Pad to the left.
To completely exit the menu system and return to the projected image, press the Menu button.
Main Menu
 Picture
 Audio
 Tools                              
 Signal source       PC/RGB1
 User Interface
 Advanced Setup             
 Info
(1)
(3)
(4)
(2) 
						

							Ó 3M 19993MÔ Multimedia Projector MP87509
Sub-Menu: Select the desired sub-menu (see Main Menu). Press the Disc Pad to the right or the Enter button to display the
sub-menu.
The sub-menu name (1) is on the top line.
A slider bar (2) at the right of a sub-menu line indicates
you can increase or decrease the value.
A number field (3) at the right of a sub-menu line
indicates that you can change it.
A check box field 
 at the right of a sub-menu line
indicates that you can toggle that value On/Off by
pressing the Enter button.
 To change a slider bar value, it must be highlighted.  Press the +/– button on the remote control or Bright +/– button on the
operator touch panel to increase or decrease the value.
To change a number field, press the Disc Pad up or down to highlight (select) the menu line (3).  Then press the +/– button
on the remote control or Bright +/– button on the operator touch panel to increase or decrease the amount of the value.
4-5. Menu Adjustments/Settings
The following charts lists all the menu items that can be adjusted along with the default settings.
Main MenuDescription / ActionDefault
Setting
PictureDisplay picture submenu
AudioDisplay audio submenu
ToolsDisplay tools submenu
Source
(drop down window)Select input source
(PC/RGB1 / PC/RGB2 / SVHS /
VIDEO 1 / VIDEO 2 / AUX)According
to search
procedure
User InterfaceDisplay user interface submenu
Advanced SetupDisplay advanced setup submenu
InfoDisplay information window
(press Enter)
Picture (PC/RGB)
Submenu ItemsDescription / ActionDefault
Setting
Height
Adjust projected image height 
BrightnessAdjust the brightness
ContrastAdjust the contrast
OptimizeSet best brightness for image
Hor. PositionAdjust horizontal position of image
Ver. PositionAdjust vertical position of image
TrackingAdjust number of pixels per line
SyncAdjust phase synchronization
ModeSelect data mode to adjust within this
menu (Predefined modes /
User Mode 1…3)
Resolution
(drop down window)Select pixel resolution (640x350 /
640x400 / 720x400 / 640x480 /
800x600 / 832x624 / 1024x768 /
1280x1024)
Picture
 Height                         
 Brightness
 Contrast
 Optimize                               
 Hor. Position
 Ver. Position               
 Tracking            1312
 Sync                           
 ModeVESA 1024 x 768 75Hz
 Resolution1024 x 768
(1)
(2)
(3)
Main Menu
 Picture
 Audio
 Tools                                
 Signal source         PC/RGB1
 User Interface
 Advanced Setup               
Info
Picture
 Height                         
 Brightness
 Contrast
 Optimize                               
 Hor. Position
 Ver. Position               
 Tracking            1312
 Sync                           
 ModeVESA 1024 x 768 75Hz
 Resolution1024 x 768 
						

							103MÔ Multimedia Projector MP8750Ó 3M 1999
4-5.  Menu Adjustments/Settings, continued
Picture (Video)
Submenu ItemsDescription / ActionDefault
Setting
Height
Adjust projected image height 
BrightnessAdjust the brightness
ContrastAdjust the contrast
ColorAdjust color saturation
TintAdjust HUE for NTSC
Audio
Submenu ItemsDescription / ActionDefault
Setting
VolumeAdjust volume
AudioAudio mute    -on / -off-on
SpeakerSpeakers    -on / -off-on
BalanceAdjust balance
TrebleAdjust treble
BassAdjust bass
SurroundAdjust surround sound level
Tools
Submenu ItemsDescription / ActionDefault
Setting
FreezeFreeze frame    -on / -off-off
MagnifyMagnify mode    -on / -off-off
FactorAdjust magnification factor
TimerSelect timer mode (off / small / large)off
MinutesAdjust timer countdown
(1 to 90 minutes)10 minutes
User Interface
Submenu ItemsDescription / ActionDefault
Setting
Language
(drop down window)Select user interface language
(English / Deutsch / Français /
Español / Italiano / Nederlands /
Svenska)English
GraphicsActivate on-screen status bar
indicators and icons. (e.g. 
)
 
-on /  -off
-on
Reset Window
PositionReset all menu window position to
default
Help
(drop down window)Select Help window mode
(immediate / 1, 3, or 5 seconds / off)3 seconds
Picture
 Height                         
 Brightness
 Contrast
 Color
 Tint 
Audio
 Volume
 Audio       
 Speaker                             
 Balance
 Treble
 Bass
 Surround
Tools
 Freeze                                
 Magnify
 Factor                        
 Timeroff
Minutes10
User Interface
 LanguageEnglish
 Graphics
 Reset Window Position
 Help3 seconds 
						

							Ó 3M 19993MÔ Multimedia Projector MP875011
4-5.  Menu Adjustments/Settings, continued
Advanced Setup
(PC/RGB)
Submenu ItemsDescription / ActionDefault
Setting
Projection (drop down
window)Select projection orientation
(standard / Rear / Rear/Ceiling /
Ceiling)standard
Remote ControlRemote control receiver -on / -off-on
RC AddressSelect remote control address
(1 / 2 / 3 / 4)1
Sync Mode1
(drop down window)Select Sync Mode for PC/RGB1
(separate TTL / composite TTL /
separate ana. / composite ana. /
sync on green)separate TTL
Sync Mode2
(drop down window)Select Sync Mode for PC/RGB2
(separate TTL / composite TTL /
separate ana. / composite ana. /
sync on green)separate TTL
SOG LevelAdjust level for sync on green
synchronization
Reset Data ModesSet all data modes to factory default
settings.
Reset lamp displayResets the lamp hours displayed on
the Info window
TestDisplay test submenu
Advanced Setup
(Video)
Submenu ItemsDescription / ActionDefault
Setting
Projection
(drop down window)Select projection orientation
(standard / Rear / Rear/Ceiling /
Ceiling)standard
Remote ControlRemote control receiver -on / -off-on
RC AddressSelect remote control address
(1 / 2 / 3 / 4)1
Video standard
(drop down window)Select Video standard
(PAL B,G,H,I /  NTSC M / SECAM /
NTSC 44 / PAL M / PAL N / PAL 60 /
NTSC COMB /  automatic)automatic
Reset lamp displayResets the lamp hours displayed on
the info window
TestDisplay test submenu
Test
Submenu ItemsDescription / ActionDefault
Setting
Parameter displayParameter display window
-on / -off
-off
Color test pictureDisplay color test picture
Frame test pictureDisplay frame test picture
Info (display only)Description / Action
HardwareCurrent hardware level
FirmwareCurrent firmware level
VESA xxxxxxxxxxCurrent video mode
Lamp (bar indicator)Lamp life hours (Green: lamp good /
red: lamp needs replacement)
OK!Closes the Info display by pressing
the Enter button
Advanced Setup
 Projection                standard
 Remote Control
 RC Address                         1
 Sync Mode1separate TTL
 Sync Mode2separate TTL
 SOG level                   
 Reset Data Modes
 Reset lamp display                
Tt
Test
 Parameter display
 Color test picture
 Frame test picture
Advanced Setup
 Projection                standard
 Remote Control
 RC Address                         1
 Video standard       automatic
 Reset lamp display                
 Test
3M
MP8750
Hardware: xxx-x.xx-x
Firmware: xxx-x.xx
VESA 1024 x 768  75 Hz
                 Lamp
      OK!      
						

							123MÔ Multimedia Projector MP8750Ó 3M 1999
Section 5: Remote Control
5-1. Remote Control Functions
Aim the remote control toward the projection screen or at the sensor.  Press desired remote button to send a signal to the
projector.
*Standby: Switch the projector
between Standby mode (lamp off,
fan off) and operation mode (lamp
on, fan on).
*Zoom: Increase (+) or decrease
(-) size of displayed image.
*Menu: Display system menus.
*PC: Switch to PC mode.  In PC mode,
toggles between RGB 1 and 2.
*Focus: Adjust focus (+/-) of
displayed image.
*Video: Switch displayed image to
video input.
*Bright: Increase (+) or decrease (-)
brightness of displayed image.
*Enter: Mouse emulation ON, left
mouse button.  Mouse emulation Off,
Enter button for confirmation of a
selection.
*Mute: Toggle ON/OFF the audio sound.
*Volume: Increase (+) or decrease (–)
speaker volume.Disc Pad (mouse pointer): Move
(point) the cursor on the projected
image. Navigate menus.  See Pointer.
Window: Toggle between full
screen and centered display mode
(non-AGA modes only)
Mode 1,2,3,4: Toggle between remote control
addresses 1, 2, 3, 4.
Drag: Lock left mouse button.
Optimize: Adjust brightness and
contrast for best picture.
Reveal: Press Reveal to cover the image on
the screen with a gray mask. Use the Disc
Pad to reveal the image. Press Reveal again
to return full screen projection of image.
Text: Not used.
Blank: Replace projected image with
white background.  Press again to
return image.
Timer: Displays timer (window in lower
part of screen). Repeated operation of
keytoggleson/off.
Mouse: Toggle mouse emulation on/off.
ON: The L & R buttons operate left & right
mouse key functions.  Drag-an-drop
functions are possible by pressing the Drag
button.
OFF
: L button is the Enter confirmation
bttRbtttdDiPdt
Freeze: Stores (freezes) the projected
image. Press again to return the
projection of the current image.
Magnify: Press to enable magnification
mode. Press +/- buttons to
increase/decrease the magnification
factor. Move Disc Pad to displace the
magnified area within the image. Press
Magnify again to toggle back to normal
presentation.
In video mode (NTSC only), press
Magnify to toggle between scaled and
unscaled  representation.
Pointer: Place a pointing device on the
screen. Use Disc Pad to move pointer.
Info: Display information window.P
Aux: Toggle ON/OFF a 3M
compatible device.
An icon will display to indicate a presentation tool is
active.
                     Pointer    Freeze   Mouse   Mute On  Magnify   Reveal
                 Image                                  Image     Imageü ü
 Note
The buttons marked with an asterisk (*) also appear on the
operator touch panel keyboard. 
						

							Ó 3M 19993MÔ Multimedia Projector MP875013
5-2. Battery Replacement
The remote control uses two AAA batteries. The battery cover is located on the back of the remote control.
1. 
Press the locking tab (1) to release door. Figure 5-1)
2. 
Lift up on the door (2) to remove it and set it to the side.
3. 
Remove old batteries.
4. 
Install new batteries (3). Make sure the polarity (+/-) on each battery matches the decal.
5. 
Replace battery compartment door.
Figure 5-1. Replacing Batteries 
						

							143MÔ Multimedia Projector MP8750Ó 3M 1999
 Section 6: Maintenance
6-1. Replacing The Air Filter
For best performance, replace the air filter each time the projection lamp is changed.ü ü
 Note
Periodically check air filter for excess dust or dirt.
Replace or clean as needed.
1. Unplug the power cord (1) of the projector.
2. 
Unscrew two screws (2) securing back panel.
3. 
Remove the back panel (3).
4. 
Separate the air filter from the back panel (4).
5. 
Vacuum (5) the air filter to remove the dust and dirt.6. 
Insert the air filter in the back panel.7. 
Insert the back panel and secure with screws (2).
Figure 6-1.  Removing Air Filter Door 
						

							Ó 3M 19993MÔ Multimedia Projector MP875015
6-2. Replacing Projection Lamp
The metal halide lamp of the projector has a limited lifetime of approximately 2000 hours. If the projected image appears
dark or a red lamp life indicator bar displays during projector startup, you should change the lamp and air filter.ü ü
 Important Note
This lamp contains mercury.  Consult your local
hazardous waste regulations and
dispose of this lamp in a proper manner.
!Caution
Always unplug the projector when changing the
lamp.  There are high voltage parts inside the cabinet
that may cause electric shock. 
!Caution
Allow the projector to cool down for 30 minutes.
Lamp and adjacent metal parts become extremely hot
and can cause burns to your fingers.
1. Press the Standby/On button on the operator touch panel or remote control.
Wait for the fan motor to cycle off.
2. 
Turn the main power switch to OFF and unplug the projector power cord.
3. 
Set the projector on a sturdy surface with the front of the projector facing you.
4. 
Press and hold the lamp door button (1) with your index finger.  Slide your finger to the right and depress the lock tab
(2). Pull outward on the lamp door (4) to hinge it to the right side and access the lamp cartridge (5).
5. 
Unscrew two retaining screws (3) securing the lamp cartridge (5).
6. 
Grasp handle (6) and carefully pull the lamp cartridge (5) out of the projector.
7. 
Carefully insert the new lamp cartridge (5) and secure with retaining screws (3).
8. 
Close the lamp door (4) tightly until the lock tab (2) slides into the locked position.
9. 
Go to the Advanced Setup menu and reset the lamp life display to zero.
Figure 6-2.  Changing the lamp cartridge