Dukane Imagepro 8755b Liquid Crystal Projector Users Manual

29
ENGLISH
OTHER CARE
Caring for the inside of the projector :
In order to ensure the safe use of your projector, please have it cleaned and inspected by
your local dealer about once every 2 years. Never try to care for the inside of the unit
yourself. Doing so is dangerous.
Caring for the lens :
Lightly wipe the lens with a commercially available lens-cleaning wipe. Do not touch the
lens directly with your hand.
Caring for the cabinet and remote control transmitter :
Wipe lightly with gauze or a soft...

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1
TECHNICAL TECHNICAL
TECHNICAL
SIGNAL CONNECTOR PIN ASSIGNMENT
RGB IN [1]/[2]
RGB OUT
D-sub 15-pin Shrink Mini Din 4-pinS-VIDEO
Mini Din 4-pin
Pin NoSignal
1
Color:
0.286Vp-p (NTSC, burst signal),
75Ωterminator
0.3Vp-p (PAL/SECAM, burst signal),
75Ωterminator
2Brightness:
1.0Vp-p, 75Ωterminator
3Ground
4Ground
signalTerminalSpecification
RGB signal
input
RGB IN¢1z2£
Video: Analog 0.7Vp-p, 75Ωterminator (positive)
H/V. sync.: TTL level (positive/negative)
Composite sync.: TTL level
D-sub 15-pin shrink...

2
Resolution 
H × ×
VfH (kHz)fV (Hz)RatingSignal modeDisplay mode
ED-S3170AED-X3270A
720 ×40037.985.0VESATEXTZoom inZoom in
640 ×48031.559.9VESAVGA (60Hz)Zoom inZoom in
640 ×48035.066.7Mac13modeZoom inZoom in
640 ×48037.972.8VESAVGA (72Hz)Zoom inZoom in
640 ×48037.575.0VESAVGA (75Hz)Zoom inZoom in
640 ×48043.385.0VESAVGA (85Hz)Zoom inZoom in
800 ×60035.256.3VESASVGA (56Hz)Zoom in
800 ×60037.960.3VESASVGA (60Hz)Zoom in
800 ×60048.172.2VESASVGA (72Hz)Zoom in
800 ×60046.975.0VESASVGA (75Hz)Zoom in
800...

3
TECHNICAL
The following signals are used for the initial settings.
The signal timing of some computer models may be different. In such case, refer to
adjust the V.POSIT and H.POSIT of the menu.
DATA
HSYNCDATA
VSYNCDisplay interval c
Back porch b
Sync aFront porch d
Display interval c
Back porch b
Sync aFront porch d
Computer /
SignalHorizontal signal timing (µs)
abcd
TEXT2.03.020.31.0
VGA (60Hz)3.81.925.40.6
Mac 13mode2.13.221.22.1
VGA (72Hz)1.33.820.31.0
VGA (75Hz)2.03.820.30.5
VGA...

4
123
4
5
6
78
910
11 12
13
14
15
CONNECTION TO THE MOUSE CONTROL
1
2
3
4
1
2
3
4
+5V
—
DATA
+DATA
GND
+5V
—
DATA
+DATA
GND1
234
2
1
3
4
USB jack 
(B type)
USB jack 
(A type)Projector
USB cable
Computer
ADB Mouse
21
43
65
21
43
87
109
1211
1413
15
RTS
GND+5VADB
GND+5V (
POWER ON)
D ATA
2143
Mouse jack 
Mini DIN 4-pin Projector
Computer
CONTROL Terminal
D-sub 15-pin shrink jack
Serial Mouse
21
43
65
21
43
65
87
10987
9
1211
1413
15
RICD
RD
TD
DTR
GND
DSR
CTS
RTS RTS
GND SEL0
TD
2143
6
5
897
Mouse jack...

5
TECHNICAL
(1) Turn off the projector and computer power supplies and connect with the RS-232C cable.
(2) Turn on the computer power supply and after the computer has started up, turn on the
projector power supply.
Control jack
D-sub 15-pin shrink jack123456789101112131415
RD
TD GND SELO
RTS
123456789
CD
RD
TD
DTR
GND
DSR
RTS
DTS
RI
12345
67
89
RS-232C jack 
D-sub 9-pin Projector Computer
Communications setting
19200bps,  8N1
1 Protocol
Consist of header (7 bytes) + command data (6 bytes).
2 Header
BE +...

6Requesting 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 Header + Command data (‘01H’+‘00H’+ type (2 bytes) +
setting code (2 bytes)) from the computer to the projector.
(2) The projector changes the setting based on the above setting code....

7
TECHNICAL
Command data chart
NamesOperation typeHeaderCommand data
CRCActionTypeSetting code
Blank ColorSet
BlueBE  EF0306  00CB  D301  0000  3003  00
WhiteBE  EF0306  006B  D001  0000  3005  00
BlackBE  EF0306  009B  D001  0000  3006  00
MyScreenBE  EF0306  00FB  CA01  0000  3020  00
ORIGNALBE  EF0306  00FB  E201  0000  3040  00
GetBE  EF0306  0008  D302  0000  3000  00
MirrorSet
NormalBE  EF0306  00C7  D201  0001  3000  00
H InverseBE  EF0306  0057  D301  0001  3001  00
V lnverseBE  EF0306  00A7...

8
Command data chart (continued)
NamesOperation typeHeaderCommand data
CRCActionTypeSetting code
H.Position ResetExecuteBE  EF0306  00IC  D306  0003  7000  00
H.Size ResetExecuteBE  EF0306  0068  D206  0004  7000  00
Color Balance 
R ResetExecuteBE  EF0306  0094  D306  0005  7000  00
Color Balance 
B ResetExecuteBE  EF0306  00D0  D306  0006  7000  00
Sharpness ResetExecuteBE  EF0306  00C4  D006  0009  7000  00
Color ResetExecuteBE  EF0306  0080  D006  000A  7000  00
Tint ResetExecuteBE  EF0306  007C...