3M Digital Projector X55 Technical Manual

1

S55/X45/X55

Operator's Guide  
TECHNICAL
Example of computer signal
Resolution (H x V)H. frequency (kHz)V. frequency (Hz)RatingSignal mode
720 x 40037.985.0VESATEXT
640 x 48031.559.9VESAVGA (60Hz)
640 x 48037.972.8VESAVGA (72Hz)
640 x 48037.575.0VESAVGA (75Hz)
640 x 48043.385.0VESAVGA (85Hz)
800 x 60035.256.3VESASVGA (56Hz)
800 x 60037.960.3VESASVGA (60Hz)
800 x 60048.172.2VESASVGA (72Hz)
800 x 60046.975.0VESASVGA (75Hz)
800 x 60053.785.1VESASVGA (85Hz)
832 x 62449.774.5Mac 16” mode
1024 x...

2

Example of  computer signal
Initial set signals
The  following  signals  are  used  for  the  initial  settings.  The  signal  timing  of  some 
computer  models  may  be  different.  In  such  case,  adjust  the  items  V  POSITION 
and H POSITION in the IMAGE menu. 
 Back porch (B)  Front porch (D)  Back porch (b)  Front porch (d)
 Display interval (C)  Display interval (c)
Data  Data
H. Sync.  V. Sync.
                  Sync (A)   Sync (a)
Computer/SignalHorizontal signal timing...

3

Connection to the ports
Connection to the ports
ARGB IN 1, BRGB IN 2, CRGB OUT
D-sub 15pin mini shrink jack 
• Video signal: RGB separate, Analog, 0.7Vp-p, 75Ω terminated (positive)
• H/V. sync. Signal: TTL level (positive/negative)
• Composite sync. Signal: TTL level
    At RGB signal                                   At component video signal 
PinSignal
1Video Red
2Video Green
3Video Blue
4(No connection)
5Ground
6Ground Red
7Ground Green
8Ground Blue
9(No connection)
10Ground
11
(No connection)...

4

Connection to the ports
Connection to the ports
Y
videoaudio in
1
rgb in1
contro
l rgb in2
rgb out
audio in2audio out
US
B
S-video
component video
CB/PB
CR/PR
COMPONENT VIDEO GY, HCB/PB, ICR/PR
RCA jack x3
• System: 525i(480i), 525p(480p), 625i(576i), 750p(720p), 1125i(1080i)
PortSignal
Y Component video Y, 1.0±0.1Vp-p, 75Ω terminator with composite
CB/PBComponent video CB/PB, 0.7±0.1Vp-p, 75Ω terminator
CR/PRComponent video CR/PR, 0.7±0.1Vp-p, 75Ω terminator
JS-VIDEO
Mini DIN 4pin jack
4321...

5

Connection to the ports
Y
videoaudio in
1
rgb in1
contro
l rgb in2
rgb out
audio in2audio out
US
B
S-video
component video
CB/PB
CR/PR
LUSB
USB B type jack
21
34
PinSignal
1+5V
2- Data
3 + Data
4Ground
MCONTROL
D-sub 9pin plug
• About the details of RS-232C communication, please refer to the following page.
PinSignalPinSignalPinSignal
1(No connection)4(No connection)7 RTS
2RD5Ground8CTS
3TD6(No connection)9(No connection)
LM
987654321 

6

RS-232C Communication
RS-232C Communication
678912345     678912345 
 CONTROL port  RS-232C cable  RS-232C port 
  of the projector   of the computer
 - (1) (1) CD 
  RD (2) (2) RD 
  TD (3) (3) TD 
  - (4) (4) DTR 
  GND (5) (5) GND 
  - (6) (6) DSR 
  RTS (7) (7) RTS 
  CTS (8) (8) DTS 
  - (9) (9) RI
 
Connecting the cable
1. Turn off the projector and the computer. 
2. Connect  the  CONTROL  port  of  the  projector  with  a  RS-232C  port  of  the 
computer  by  a  RS-232C  cable.  Use  the...

7

RS-232C Communication (continued)
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 Header + Command data (‘01H’+‘00H’+ type (2 bytes) + 
setting code (2 bytes)) from the computer to the projector. 
(2) The projector changes the...

8

RS-232C Communication (continued)
Names Operation TypeHeaderCommand DataCRCActionTypeSetting Code
PowerSet Turn offBE  EF0306  002A  D301  0000  6000  00
Turn onBE  EF0306  00BA  D201  0000  6001  00
GetBE  EF0306  0019  D302  0000  6000  00
(Example return) 
  00  00  01  00  02  00   (Off)  (On)  (Cool down)Input SourceSetRGB IN1BE  EF0306  00FE  D201  0000  2000  00
RGB IN2BE  EF0306  003E  D001  0000  2004  00
VIDEOBE  EF0306  006E  D301  0000  2001  00
S-VIDEOBE  EF0306  009E  D301  0000  2002...

9

RS-232C Communication (continued)
Names Operation TypeHeaderCommand DataCRCActionTypeSetting Code
User Gamma PatternSet OffBE  EF0306  00FB  FA01  0080  3000  00
9 step gray scaleBE  EF0306  006B  FB01  0080  3001  00
15 steps gray scaleBE  EF0306  009B  FB01  0080  3002  00
RampBE  EF0306  00 0B  FA01  0080  3003  00
GetBE  EF0306  00C8  FA02  0080  3000  00
User Gamma Point 1GetBE  EF0306  0008  FE02  0090  3000  00
IncrementBE  EF0306  006E  FE04  0090  3000  00
DecrementBE  EF0306  00BF  FF05...

10

RS-232C Communication (continued)
Names Operation TypeHeaderCommand DataCRCActionTypeSetting Code
COLOR TEMP GAIN GGetBE  EF0306  0070  F402  00B2  3000  00
IncrementBE  EF0306  0016  F404  00B2  3000  00
DecrementBE  EF0306  00C7  F505  00B2  3000  00
COLOR TEMP GAIN B
GetBE  EF0306  008C  F502  00B3  3000  00
IncrementBE  EF0306  00 EA  F504  00B3  3000  00
DecrementBE  EF0306  003B  F405  00B3  3000  00
COLOR TEMP  OFFSET R
GetBE  EF0306  0004  F502  00B5  3000  00
IncrementBE  EF0306  0062  F504...