3M Multimedia Projector Mp8775 Technical Manual

Pin NoSignalPin NoSignalPin NoSignal
1T.M.D.S. Data 2 -11T.M.D.S. Data 1 / 3 Shield21-
2T.M.D.S. Data 2 +12-22T.M.D.S. Clock Shield
3T.M.D.S. Data 2 / 4 Shield13-23T.M.D.S. Clock +
4-14+5V Power24T.M.D.S. Clock -
5-15Ground (+5V, Analog H/V Sync.)
6DDC Clock16Hot-Plug Sense
7DDC Data17T.M.D.S. Data 0 -
8Analog V. Sync.18T.M.D.S. Data 0 +
9T.M.D.S. Data 1 -19T.M.D.S. Data 0 / 5 Shield
10T.M.D.S. Data 1 +20-
Pin NoSignalPin NoSignalPin NoSignal
1Video input Red9-
15
RGB IN 1:  SCL(DDC)
2Video input...

TECHNICAL - 2
T
T
T
T
E
E
E
E
C
C
C
C
H
H
H
H
N
N
N
N
I
I
I
I
C
C
C
C
A
A
A
A
L
L
L
L(
(
(
(
c
c
c
c
o
o
o
o
n
n
n
n
t
t
t
t
i
i
i
i
n
n
n
n
u
u
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)
Example of computer signal
Resolution 
H ×
×
VfH (kHz)fV (Hz)RatingSignal modeDisplay
mode
720  ×40037.985.0VESATEXTZoom in
640  ×48031.559.9VESAVGA (60Hz)Zoom in
640  ×48035.066.7Mac13modeZoom in
640  ×48037.972.8VESAVGA (72Hz)Zoom in
640  ×48037.575.0VESAVGA (75Hz)Zoom in
640  ×48043.385.0VESAVGA (85Hz)Zoom in
800...

TECHNICAL - 4
T T T T
E E E E
C C C C
H H H H
N N N N
I I I I
C C C C
A A A A
L L L L(
( ( (
c c c c
o o o o
n n n n
t t t t
i i i i
n n n n
u u u u
e e e e
d d d d
) ) ) )
Connection to the Mouse Control
1. PS/2, ADB or Serial Mouse
(1) Turn off the projector and computer, and connect the two units with the appropriate cable. For
PS/2 mouse control (for IBM and compatible), use the enclosed mouse cable. For others, consult
your dealer.
(2) Disconnect the USB cable from the projector if it is connected....

TECHNICAL - 5
T T T T
E E E E
C C C C
H H H H
N N N N
I I I I
C C C C
A A A A
L L L L(
( ( (
c c c c
o o o o
n n n n
t t t t
i i i i
n n n n
u u u u
e e e e
d d d d
) ) ) )
TECHNICAL
1
2
3
4
1
2
3
4
+5V
—
DATA
+DATA
GND
+5V
—
DATA
+DATA
GND
1
234
2
1
3
4
USB jack 
(B type)
USB jack 
(A type)Projector
USB cable
Computer
ADB Mouse
2
1
4
3
6
5
2
1
4
3
8
7
10
9
12
11
14
13
15
RTS
GND+5VADB
GND+5V (
POWER ON)
D ATA
21
43
Mouse jack 
Mini DIN 4-pin Projector
Computer
123
4
5
6
78
910
11 12 13
14
15
CONTROL...

TECHNICAL - 6
T
T
T
T
E
E
E
E
C
C
C
C
H
H
H
H
N
N
N
N
I
I
I
I
C
C
C
C
A
A
A
A
L
L
L
L(
(
(
(
c
c
c
c
o
o
o
o
n
n
n
n
t
t
t
t
i
i
i
i
n
n
n
n
u
u
u
u
e
e
e
e
d
d
d
d
)
)
)
)
RS-232C communication
(1) Turn off the projector and computer power supplies and connect wit\
h the RS-232C cable.
(2) Turn on the computer power supply and after the computer has started up, turn on the projector
power supply.
1
2
3
4
5
6
7
8
910
11
12
13
14
15
Control jack
D-sub 15-pin shrink jack1234567891011121314
15RD
TD
GND...

TECHNICAL - 7
T T T T
E E E E
C C C C
H H H H
N N N N
I I I I
C C C C
A A A A
L L L L(
( ( (
c c c c
o o o o
n n n n
t t t t
i i i i
n n n n
u u u u
e e e e
d d d d
) ) ) )
TECHNICAL
Requesting projector status (Get command)
(1) Send the request code Header + Command data (‘02H’+‘00H’+ type (2 bytes) +‘00H’+‘00H’)
from the computer to the projector.
(2) The projector returns the response code ‘1DH’+ data (2 bytes) to the computer.
Changing the projector settings (Set command)
(1) Send the setting code...

TECHNICAL - 8
NamesOperation typeHeaderCommand data
CRCActionTypeSetting code
Blank ColorSet
RedBE  EF0306  003B  D301  0000  3000  00
OrangeBE  EF0306  00AB  D201  0000  3001  00
GreenBE  EF0306  005B  D201  0000  3002  00
BlueBE  EF0306  00CB  D301  0000  3003  00
PurpleBE  EF0306  00FB  D101  0000  3004  00
WhiteBE  EF0306  006B  D001  0000  3005  00
BlackBE  EF0306  009B  D001  0000  3006  00
MyScreenBE  EF0306  00FB  CA01  0000  3020  00
ORIGINALBE  EF0306  00FB  E201  0000  3040  00
GetBE  EF0306...

TECHNICAL - 9
TECHNICAL
T T T T
E E E E
C C C C
H H H H
N N N N
I I I I
C C C C
A A A A
L L L L(
( ( (
c c c c
o o o o
n n n n
t t t t
i i i i
n n n n
u u u u
e e e e
d d d d
) ) ) )
NamesOperation typeHeaderCommand data
CRCActionTypeSetting code
Magnify
GetBE  EF0306  007C  D202  0007  3000  00
IncrementBE  EF0306  001A  D204  0007  3000  00
DecrementBE  EF0306  00CB  D305  0007  3000  00
Auto off
GetBE  EF0306  0008  8602  0010  3100  00
IncrementBE  EF0306  006E  8604  0010  3100  00
DecrementBE...

TECHNICAL - 10
T T T T
E E E E
C C C C
H H H H
N N N N
I I I I
C C C C
A A A A
L L L L(
( ( (
c c c c
o o o o
n n n n
t t t t
i i i i
n n n n
u u u u
e e e e
d d d d
) ) ) )
NamesOperation typeHeaderCommand data
CRCActionTypeSetting code
MuteSetNormalBE  EF0306  0046  D301  0002  2000  00
MuteBE  EF0306  00D6  D201  0002  2001  00
GetBE  EF0306  0075  D302  0002  2000  00
Brightness
GetBE  EF0306  0089  D202  0003  2000  00
IncrementBE  EF0306  00EF  D204  0003  2000  00
DecrementBE  EF0306  003E  D305...