3M Multimedia Projector Mp8750 Operators Manual

							163MÔ Multimedia Projector MP8750Ó 3M 1999
6-3. Lamp Life Indicator
The elapsed operating time of the lamp is displayed on the Info sub-menu.  From the Main menu, select INFO to display the
lamp life. As long as the lamp indicator bar is green, the lamp is good. When the bar changes to red, the lamp should be
changed.
After changing the projection lamp, the lamp life indicator must be reset to zero.
To reset the lamp life indicator:
1. 
Press the Menu button to display the main menu.
2. 
Select the Advanced Setup sub-menu using the Disc Pad.
3. 
Select Reset lamp display and press the Enter button.
4. 
The following message will display:  “Really reset lamp life display?  OK! / Cancel”
5. 
Using the Disc Pad, select OK! and press Enter to acknowledge the change.
6. 
Press Menu to exit the menu system.ü ü
 Note
To view the used/remaining lamp life: (1) Go to the Main Menu.
(2) Select “Info”.  (3) Press the Enter button.
6-4. Cleaning the Projector
For best performance, keep your projector free of excess dust and surface dirt. Use a soft cloth to remove dust from the
projector housing.  Use 3MÔ
 Overhead Cleaner 676 to remove surface dirt and smudges from the projection lens.
!Caution
Always unplug the projector when cleaning. Take care that no liquids get
inside the projector.  There are high voltage parts inside the cabinet that may
cause electric shock.
Figure 6-3. Overhead Cleaner 
						

							Ó 3M 19993MÔ Multimedia Projector MP875017
Section 7: Troubleshooting
7-1. Troubleshooting Problems and Solutions
ProblemProbable CausePossible Solution
Image is disturbed
or unstable.· Wrong Sync setting.· 
Wrong Tracking
value.· 
Set to factory default setting. (See below!)· 
Change Sync setting in the Picture menu for optimum
performance· 
For vertical interference stripes, change the Tracking in the
Picture menu for optimum performance.
No computer image
projected. Message
“Looking for signal
...” displays.· Loose cable.· 
No power to
computer.· 
Wrong synchro-
nization mode.· 
Check and secure cable connections.· 
Turn on computer.· 
Adjust synchronization mode of the projector to the synchro-
nization mode of the computer via Advanced Setup menu.
No video image
projected.· Loose cable.· 
No signal from video
source.· 
Check and secure cable connections.· 
Check video picture on TV.
Mouse does not
work.· Loose cable.· 
Wrong connection.· 
Wrong power up
sequence.· 
Check and secure cable connections.· 
For PS/2 and ADB (Apple) mouse a special adapter is
necessary. Only use adapters from the original manufacturer
(Section 8-2).· 
The mouse emulation operates correctly only if the correct
power up sequence has been used (refer to section 3-5.)
Image off-center.· Image position.· Center image with the Disc Pad of the control panel or on
the remote control transmitter.
Cannot get entire
image on the
screen.· Wrong Tracking
value.· 
Compatibility
problem.· 
If vertical interference stripes occur, change the Tracking
value in the Picture menu for optimum performance.· 
Refer to the documentation for your graphic card. Change
the Resolution setting in the Picture menu to the resolution
of the video mode output from the computer graphic card.
Washed out image.· Wrong Contrast
setting.· 
Wrong Brightness
setting.· 
Change Contrast setting in the Picture menu. The bar
should be in the middle position.· 
Lower Brightness setting in the Picture menu. Choosing
Brightness and pressing Enter can perform an automatic
adjustment.
Humming noise.
Slowly passing
horizontal bars.· Signal sources are
connected to different
power sources.· 
VCR connected to
aerial system and to
projector.· 
Bad signal.· 
Locate the source of disturbance. Disconnect the sources
one after another from the projector. Connect all sources to
a common power source.· 
Remove antenna connection from VCR. If the disturbance
disappears, use a by-pass filter (isolating transformer) to
connect the antenna to the VCR.· 
Try different input source.
The factory default settings of the projector can be restored by pressing Enter and Mute simultaneously on the control panel
when switching on the main power switch of the projector and pressing the Standby button afterwards.
The projector will start immediately and the message “Parameter factory settings restored” displayed in the starting
screen will indicate the default settings are reset.
7-2. Service Information
For product information, product assistance, service information, or to order accessories or spare parts, please call:
In U.S. or Canada: 1-800-328-1371
In other locations, contact your local 3M Sales office. 
						

							18  3MÔ Multimedia Projector MP8750 Ó 3M 1999
 Section 8: Product Specifications
Resolution  1,024 x 768 (total 2,359,296 pixels)
Brightness  1,500 ANSI lumens
Colors  16,770,000 colors
Contrast Ratio  150:1 (on/off) 
Zoom / Focus / Height shift  Power control
Projection Lens   Throw Ratio=1.44 – 2.59 / f=25 - 45 mm Power Zoom / Power Focus,
Picture Size  1.0 - 8.7 m (38 - 340 in.) diagonal,
Projection Lamp  350 W DC metal halide lamp
PC Compatibility  Resolution 640 x 400 (magnified), 1024 x 768 (native) and
Video Compatibility  NTSC / NTSC 4.43 / PAL (including PAL-M, N) / SECAM, PAL-60
Input Terminals  PC/RGB: RGB x 2 (D-Sub 15-pin)
Output Terminals  RGB-Monitor: RGB x 1 (D-Sub 15-pin)
Communication Terminals  RS-232C (D-Sub 9-pin)
Scanning Rates   Hor.: 15-86 kHz, Vert.: 50-160 Hz
Audio Speakers  20 Watts stereo surround sound
Height Adjuster  Front leg (additional 0°... 9°, variable)
Unique Features  Digital magnification,
Remote Control Transmitter  Projector control, PC/MAC mouse cursor control
Dimension (WxHxD)  331 x 137 x 272 mm
Weight  7.6 kg  (17 lb.)
Power Requirements AC 100-240 V ±50/60 Hz
Power Consumption   450 W
Regulatory Approvals  FCC Part 15, Class A, CE, UL
Warranty  Two years limited warranty on parts and labor 
						

							Ó 3M 19993MÔ Multimedia Projector MP875019
8-2. Accessory & Spare Parts List
Part DescriptionPart Number
Projection Lamp Kit
 - Metal Halide Lamp (350W)
 - Air Filter78-6969-8586-6
Air Filter (included in lamp kit 78-6969-8577-5)78-8118-3476-7
Power Cords (U.S., UK, Europe)
  For special power cords.  See Appendix D-3DY-0205-1356-9 (U.S.)
DY-0205-1355-1 (UK)
DY-0205-1354-4 (Europe)
VGA Cable (15-15 pin male/male)DY-0205-1271-0
Video  Cable (S-Video Mini-DIN-4pin)DY-0205-1010-2
Composite Video Cable (RCA to RCA)DY-0205-1008-6
Audio Cable (RCA to 3.5 mm stereo)DY-0205-1359-3
PC Serial Cable (PC mouse connection)DY-0205-1007-8
Remote Control78-8118-3475-9
Mac Cable Set (optional)DY-0205-1361-9
Carry Case (optional)78-6969-8587-4
Shipping Case (optional)78-6969-8588-2
Mouse Y-Cable (optional)DY-0205-1507-7
Extension Cable Kit (optional)XX-0034-1714-2
Audio Cable (3.5 mm stereo to 3.5 mm stereo)
(optional)26-1012-0683-2
Ceiling Mount Kit (optional)78-6969-8591-6
Mac Cable Set (optional), Part number DY-0205-1361-9: This kit contains a Mac mouse adapter and a Mac video cable.
Extension Cable Kit (optional), Part number XX-0034-1714-2: The extension cable kit includes a video amplifier and 20 m
(65 ft.) video cable.  The kit increases the allowable distance between the projector and the video source without burdening
the video source.
Mouse Y-Cable (optional), Part number DY-0205-1507-7: This cable provides user with the option to simultaneously operate
the MP8750 remote mouse and a PC mouse (only works with Microsoft serial mouse).
8-3. How to Order
Please order these parts through your dealer, or contact 3M Customer Service at the following number:· 
In U.S. or Canada:  1–800–328–1371· 
In other locations, contact your local 3M Sales office. 
						

							203MÔ Multimedia Projector MP8750Ó 3M 1999
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