3M Multimedia Projector Mp8770 Operators Manual

							© 3M 2000 3M™ Multimedia Projector MP8755
TECHNICAL
A-5
Resolution HxV Refresh Rate Horizontal Standard Type Note Display
Frequency Dots HxV
640 x 350 85.1 Hz 37.9 kHz VGA-1 800 x 490
640 x 400 56.4 Hz 24.8 kHz NEC PC9800 800 x 560
640 x 400 85.1 Hz 37.9 kHz VGA-2 800 x 560
640 x 480 85.0 Hz 43.3 kHz VESA VGA-3 (85 Hz) 800 x 600
640 x 480 59.9 Hz 31.5 kHz VESA VGA-3 800 x 600
640 x 480 66.7 Hz 35.0 kHz MAC 13 800 x 600
640 x 480 72.8 Hz 37.9 kHz VESA VGA-3 (72 Hz) 800 x 600
640 x 480 75.0 Hz 37.5 kHz VESA VGA-3 (75 Hz) 800 x 600
720 x 400 85.0 Hz 37.9 kHz VESA TEXT
800 x 600 56.3 Hz 35.2 kHz VESA SVGA (56 Hz) 800 x 600
800 x 600 60.3 Hz 37.9 kHz VESA SVGA (60 Hz) 800 x 600
800 x 600 72.2 Hz 48.1 kHz VESA SVGA (72 Hz) 800 x 600
800 x 600 75.0 Hz 46.9 kHz VESA SVGA (75 Hz) 800 x 600
800 x 600 85.1 Hz 53.7 kHz VESA SVGA (85 Hz) 800 x 600
832 x 624 74.5 Hz 49.7 kHz MAC 16 800 x 600
1024 x 768 60.0 Hz 48.4 kHz VESA XGA (60 Hz) 768 x 576
Compressed
1024 x 768 70.1 Hz 56.5 kHz VESA XGA (70 Hz) 768 x 576
Compressed
1024 x 768 75.0 Hz 60.0 kHz VESA XGA (75 Hz) 768 x 576
Compressed
1152 x 864 75.0 Hz 67.5 kHz VESA SVGA (75 Hz) 1024 x 756
1280 x 960 60.0 Hz 60.0 kHz VESA SVGA (60 Hz) 1024 x 768
1280 x 1024 60.0 Hz 64.0 kHz VESA SVGA (60 Hz) 960 x 768
1280 x 1024 75.0 Hz 80.0 kHz VESA SVGA (75 Hz) 960 x 768
c) Example of computer signal
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 = switch 2 and 4 are ON
(Example of 16 inch mode)   
						

							3M™ Multimedia Projector MP8755
                                         © 3M 2000
TECHNICAL
A-6
A.6    Indicator Status
The POWER, LAMP and TEMP indicators will light or blink in the following cases:
*When the LAMP indicator lights or blinks, turn the power off.  If the problem persists, contact your dealer.
POWER LAMP TEMP MEANING REMEDY
INDICATOR INDICATOR INDICATOR
Lights orange Turns off Turns off Standby mode Normal
Flashes green Turns off Turns off During warm up Normal
Lights green Turns off Turns off During operation Normal
Flashes orange Turns off Turns off During cooling down Normal
Lights red Lights red Turns off Lamp does not light. Turn off power and let
Temperature insideprojector cool for 20 minutes.
projector is too hot. Clear blocked ventilation holes.
                                                                                                                                             Clean air filter.
Lights red Flashes red Turns off Lamp or lamp cover Fully insert lamp module or
loose or missing. lamp cover and secure with
retaining screws.
Lights red Turns off Flashes red Cooling fan not Contact your dealer.
operating.
Flashes red Flashes red Turns off The lamp operating Replace the lamp.
hours have reached
maximum operating
hours. 
						

							© 3M 2000 3M™ Multimedia Projector MP8755
TECHNICAL
A-7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15 15 D-sub 15pin (Female)
610
15 111
2
3
4
5
643
1 25 Mini DIN 6pin Computer
DATA
GND
+5V
CLK Projector
CLK
DATA
SEL0
RTS
+5V
GND
6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15 15 D-sub 15pin (Female)
610
15 111
2
3
421 Mini DIN 4pin Computer
ADB
(POWER ON)
+5V
GND Projector
DATA
RTS
+5V
GND
43
A.7    Connection to the Control Signal Terminal
ADB mouse
ADB port
PS/2 mouse
PS/2 port
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.
✔ Note
In some Notebook computers with an internal pointing device, mouse emulation will not work unless the
internal pointing device is disabled.  In this case, disable the internal pointing device in BIOS setting.  Check
the computers manual for procedure to follow to disable internal pointing device in BIOS setting.
Caution
Turn off the power to both the projector and computer before connecting. Connect the computer to the
control terminal of the projector using the appropriate cable. 
						

							3M™ Multimedia Projector MP8755
                                         © 3M 2000
TECHNICAL
A-8
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15 15 D-sub 15pin (Female)
610
15 11
Computer
CD
RD
TD
DTR
GND
DSR
RTS
DTS
RI Projector
SEL0
RTS
GND
RD
TD
15 D-sub 9pin 
69
1
2
3
4
5
6
7
8
9
Serial  mouse
A.7    Connection to the Control Signal Terminal  (continued)
RS-232 Control Cable  (not included with basic packout)
This cable is used to directly control the projector without using the Remote Control or Operators Panel.
Serial Mouse cable(male)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15 15 D-sub 15pin (Female)
610
15 11
Computer
CD
RD
TD
DTR
GND
DSR
RTS
CTS
RI Projector
SEL0
RTS
GND
RD
TD
15 D-sub 9pin (male) 
69
1
2
3
4
5
6
7
8
9
RS-232 Cable 
						

							© 3M 2000 3M™ Multimedia Projector MP8755
TECHNICAL
A-9
A.7    Connection to the Control Signal Terminal  (continued)
USB Mouse Cable
This cable is used to connect the projector and computer to allow computer mouse control via the projectors
remote control buttons. Connect the cable, select the input source where the computer is to be connected and start
the mouse functions.
✔ Note
Some laptop computers with a built-in pointing device (track ball) may not recognize the external mouse. In this
case, change the BIOS (system setup) so that an external mouse can be selected. Some computers may not
have the necessary utility program to operate a mouse. Refer to the computer hardware manual.
1
2
3
42 USB Mouse Jack
(B Type)
1
34
Projector
+5V
–DATA
+DATA
GNDComputer
+5V
–DATA
+DATA
GND
1
2
3
4
EPS-103AUSB Cable
USB Mouse Jack
(A Type)
34 2 1 
						

							3M™ Multimedia Projector MP8755
                                         © 3M 2000
TECHNICAL
A-10
Serial Command Codes
All numbers in this document are in Hexadecimal.  You must send at the same communication setting
as the projector and use a null modem serial cable to connect to the projector.
There are four types of messages:  1) ASK, 2) REPLY,  3) SET and 4) DEFAULT.
Ask Code:
User:
20 XX
XX is the attribute you are checking.
Projector:
1Y XX Y bytes of data
This is a reply code. The Y is the number of extra bytes that come after the command.
The XX is the same as in the Ask code.
Set Code:
User:
3Y XX Y bytes of data
XX is the attribute you are checking. The Y is the number of bytes for the data.
Projector:
1Y XX  Y bytes of data
This is a reply code.  The Y is the number of extra bytes that come after the command.
The XX is the same as in the Set code.
Default Code:
User:
40 XX
XX is the attribute you are checking.
Projector:
1Y XX  Y bytes of data
This is a reply code.  The Y is the number of extra bytes that come after the command.
The XX is the same as in the Ask code.
Errors:
For an error, the projector will reply with the same code that was sent but with a 0 in the first nibble. 
						

							© 3M 2000 3M™ Multimedia Projector MP8755
TECHNICAL
A-11
Serial Command Code Table
Function Command Code # Bytes Data Code Meaning
Mouse 05 1 00 Stop mouse function
01-7F Enable mouse function
Communication 06 1 0X 8N1
1X 7N1
X0 1200 bps
X1 2400 bps
X2 4800 bps
X3 9600 bps
X4 19200 bps
Power 11 1 3E Power off
3F Power on
Zoom 12 1 01-3F Zoom +
41-7F Zoom -
Focus 13 1 01-3F Focus +
41-7F Focus -
Mirror 14 1 00 Normal
01 H Invert
02 V Invert
03 H & V Invert
Magnify 15 set Command
1 01                                 Magnify+
7F                                 Magnify-
Ask Command
1 00 Magnify Off
01 Magnify On
Freeze 16 1 00 Freeze Off (normal display)
01 Freeze On
Input 21 1 11 Video
21 RGB 1
22 RGB 2
Video Type 22 2 00  00 Auto
00 01 NTSC
00 02 PAL
00 03 SECAM
00 04 NTSC 4.43
00 05 M-PAL
00 06 N-PAL
Volume 23 1 00-24 00 - 24 is high end of scale
Mute 24 1 00 Mute off
01 Mute on
Brightness 31 3 00 00 00 - 24 is high end of scale
00 00 24
Contrast 32 3 00 00 00 - 24 is high end of scale
00 00 24 
						

							3M™ Multimedia Projector MP8755
                                         © 3M 2000
TECHNICAL
A-12
Serial Command Code Table (cont)
Function Command Code # Bytes Data Code Meaning
Color 33 3 00 00 00 - 24 is high end of scale
00 00 24
Tint 34 3 00 00 00 - 24 is green end of scale
00 00 24
Sharpness 35 3 00 00 00 - 24 is sharp end of scale
00 00 24
H. Phase 37 3 00 00 00 -
00 00 24
H. Position 38 4 00 00 00 01 00 01 is 1 step up
00 00 00 7F 00 7F is 1 step down
H. Size 36 4 00 00 00 00 7F is wide end of scale
00 00 00 7F
V. Position 3A 4 00 00 00 01 00 01 is 1 step up
00 00 00 7F 00 7F is 1 step down
Color Balance R 3B 3 00 00 00 24 is mode red
00 00 24
Color Balance B 3D 3 00 00 00 24 is mode blue
00 00 24
Auto Adjust 3C 1 00 Start
Blank 41 1 0X Blank off
1X Blank on
X=8 Black
X=9 Blue
X=F White 
						

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assume all risks and liability associated with such use.  Any statements related to the product which are not contained in 3M’s current publications, or
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