3M Multimedia Projector Mp8780 Operators Manual

3Mª Multimedia Projector MP8780© 3M 1999
ENGLISH
20
4 Note
For maximum lamp life, do not apply shock, handle or scratch the lamp glass when it is hot. Also, do not use
an old or previously used lamp as a replacement lamp.
1.Loosen cover retaining screws:  The lamp access cover is located on the side of the projector. Use a
screwdriver to uncrew the retaining screws (1) on the left and right side of the cover.
2.Remove lamp cover:  Press the spring tabs on each side of the cover and gently remove the...

© 3M 1999 3Mª Multimedia Projector MP8780
ENGLISH
21
Section 7: Troubleshooting
Error Message Displays
NO SIGNAL IS
DETECTED.
INVALID.
CHANGE THE LAMP.
LIFE: 50 HS
CHANGE THE LAMP.
NO LIFE.Cause
The projector is not detecting a signal.
The horizontal frequency of input signal
exceeds projector capability.
Lamp operation time is greater than 950
hours.
Lamp operation time is greater than 1,000Solution
Check cable connections to input device. Input device not
connected to this input mode, switch to next...

3M
ENGLISH
Section 8: Accessories 

© 3M 1999  3M
TECHNICAL
Product name
Model Name
Display system
Panel size
Drive system
Number of pixels
Lens
Lamp
Speaker (stereo)
Power supply
Power consumption
Operating temperature range
Dimensions
Weight
video signal input
RGB input/output
Control terminal
Mouse  MD 9pin (serial/PS2/ADB)
 USB  4pin
Appendix:  Technical Information
Table of Contents
4  Note
All specifications a re subject to change without notice. 

TECHNICAL
A-2© 3M 1999 3Mª Multimedia Projector MP8780
A.2    Dimensions
430 mm
(17.2 in.)495 mm
(19.8 in.)
LAMPTEMPFANCOVERCHANGE LAMPPOWER
RGB1
L
VIDEO1R
L R VIDEO2 SERIAL MOUSELR USB RGB2 RGB
OUT
PUT
IN
PUT
RGB3/VIDEO3R/Y(CV) G/U B/V
LR LRLR HS VS
OI
+
–+
–+
–
520 mm
(20.8 in.)
222 mm
(8.9 in.)
MP8780 

© 3M 1999 3Mª Multimedia Projector MP8780
TECHNICAL
A-3
4 Note
These sizes are ± 1%.  This is due to variations in the manufacture of the lens.  If you are close to one of the
endpoints you should verify with your unit that the image is the proper size at the proper distance.
A.3     Projector-to-Screen Distance
Example of the Multimedia projector and screen installation.  Determine picture size and projection distance as
shown below.
Screen Size Distance to Screen
Width Height Diagonal Minimum Maximum...

TECHNICAL
A-4© 3M 1999 3Mª Multimedia Projector MP8780
A.5 Connection to the RGB Signal Terminal
Video signal
Horizontal sync signal
Vertical sync signal
Composite sync signal
Audio signalInput
OutputAnalog 0.7Vp-p 75 W termination (Positive polarity)
TTL level (Positive/negative polarity)
TTL level (Positive/negative polarity)
TTL level (Negative polarity)
140mVrms, 46k W (MAX 7.0Vp-p)
0 ~ 140mVrms, 680 W
a) Input signal / Output signal
1
2
3
4
5
6
7
8Video signal (Red)
Video signal (Green)
Video signal...

© 3M 1999 3Mª Multimedia Projector MP8780
TECHNICAL
A-5
c) Example of computer signal
Scan Frequency
Dot Clock
Mode No. H-Size Resolution H (kHz) V (Hz) (MHz) Computer
1 780 320x480i 15.7 59.9 12.270 NTSC(RGB) RGB-NTSC
2 940 384x576i 15.6 50.0 14.687 PAL(RGB) RGB-PAL
3 848 640x400 24.8 56.4 21.053 640X400 TEXT56
4 900 720x400 31.5 70.1 28.322 720X400 TEXT70
4 800 640x400 31.5 70.1 25.175 720X400 TEXT70
4 800 640x350 31.5 70.1 25.175 720X400 TEXT70
5 936 720x400 37.9 85.0 35.500 720X400 TEXT85
5 832...

TECHNICAL
A-6© 3M 1999 3Mª Multimedia Projector MP8780
A.6    Indicator Status
The indicators lamps will light or flash to indicate the following operating conditions: Note 2: Some input sources may not be displayed properly because they are not compatible with the
projector. Note  1: MAC adapter is necessary to set the resolution mode.
Projector is compatible with 13 inch mode and 16 inch mode.
Set all dip switches OFF except those indicated below.
MAC 13 mode = switch 1 and 2 are ON
MAC 16 mode =...

© 3M 1999 3Mª Multimedia Projector MP8780
TECHNICAL
A-7
A.7    Connection to the Control Signal Terminal
ADB mousePS/2 mouse
a) Mouse emulation
(1) While the projector and computer are turned OFF, connect the projector and the mouse terminal of
computer using an appropriate cable (PS/2, Serial or ADB).
(2) Turn ON the projector.
(3) Turn ON the computer.
(4) Select the correct mouse driver for the application.  See computers User Manual for this procedure.
4 Note
In some Notebook computers with an...