Dukane Imagepro 8943a Projector Technical Manual


Projector 
8943A
User's Manual – Operating Guide
Technical
Example of computer signal
Resolution (H x V) H. frequency (kHz) V. frequency (Hz) Rating Signal mode
720 x 400 37.985.0 VESA TEXT
640 x 480 3
.559.9 VESA VGA (60Hz)
640 x 480 37.972.8 VESA VGA (72Hz)
640 x 480 37.575.0 VESA VGA (75Hz)
640 x 480 43.385.0 VESA VGA (85Hz)
800 x 600 35.256.3 VESA SVGA (56Hz)
800 x 600 37.960.3 VESA SVGA (60Hz)
800 x 600 48.
72.2 VESA SVGA (72Hz)
800 x 600 46.975.0 VESA SVGA (75Hz)
800 x 600...

2

Initial set signals
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/Signal
Horizontal signal timing...

3

DHDMI
• Type :Digital audio/video connector
• Audio signal : Linear PCM (Sampling rate; 32/44. /48 kHz)
Connection to the ports
ARGB 1, BRGB OUT 
D-sub  5pin 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         
PinSignalPinSignal
Video Red9(No connection)
2Video Green  0Ground
3Video Blue(No connection)
4(No...

4

VIDEO
CONTROL
AUDIO IN 1AUDIO IN 2
AUDIO OUT
RGB OUTRGB1
RGB2
HDMI
 R            L     R          L     AUDO IN 3       AUDIO IN 4
LAN
CB/PBYCR/PR
B/CB/PBB/CR/PRG/YHVUSBREMOTE CONTROL   

Connection to the ports (continued)
432
IVIDEO
RCA jack
• System: NTSC, PAL, SECAM, PAL-M, PAL-N, NTSC4.43
• 1.0±0.1Vp-p, 75Ω terminator
HS-VIDEO
Mini DIN 4pin jack
PinSignal
Color signal 0.286Vp-p (NTSC, burst), 75Ω terminator
Color signal 0.300Vp-p (PAL/SECAM, burst) 75Ω terminator
2Brightness signal,...

5

JAUDIO IN 1, KAUDIO IN 2 
Ø3.5 stereo mini jack
• 500 mVrms 47kΩ terminator 
 AUDIO IN 3 LR, ML, AUDIO IN 4 NR, OL
RCA jack x2
• 500 mVrms 47kΩ terminator
PAUDIO OUT
Ø3.5 stereo mini jack
• 500 mVrms 1kΩ output impedance
QREMOTE CONTROL
Ø3.5 stereo mini jack
• To be connected with the remote control that came with the projector.
RCONTROL
D-sub 9pin plug
• About the details of RS-232C communication, please refer to the followin\
g page.
PinSignalPinSignalPinSignal
(No connection)4(No...

6

VIDEO
CONTROL
AUDIO IN 1AUDIO IN 2
AUDIO OUT
RGB OUTRGB1
RGB2
HDMI
 R            L     R          L     AUDO IN 3       AUDIO IN 4
LAN
CB/PBYCR/PR
B/CB/PBB/CR/PRG/YHVUSBREMOTE CONTROL   

Connection to the ports (continued)
TLAN
RJ-45 jack
PinSignalPinSignalPinSignal
TX+4-7-
2TX-5-8-
3RX+6RX-
8765432
T
S
SUSB
USB B type jack
PinSignal
+5V
2- Data
3+ Data
4Ground 

7

RS-232C Communication
RS-232C Communication
67892345     67892345 
  CONTROL port   RS-232C cable (Cross)   RS-232C port 
 
of the projector
   
of the computer
 - (  )   (  ) 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
 . Turn off the projector and the computer. 
2. C o n n e c t   t h e   C O N T R O L  p o r t   o f   t h e   p r o j e...

8

RS-232C Communication (continued)
Requesting projector status (Get command)
( ) 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 ‘  DH’+ data (2 bytes) to the computer.
Changing the projector settings (Set command)
( ) Send the setting code Header + Command data (‘0  H’+‘00H’+ type (2 bytes) + 
setting code (2 bytes)) from the computer to the projector. 
(2) The...

9

Command Control via the Network
Communication Port
The following two ports are assigned for the command control.
TCP #23
TCP #97 5
Command Control Settings
Configure the following items form a web browser when command control is used.
When the authentication setting is enabled, the following settings are r\
equired.
Command Control via the Network
Port Settings
Netowrk Control Port1 (Port: 23)
Port openClick the [Enable] check box to open [Network Control Port1 (Port: 23)] to use TCP #23.Default...

0

Command Control via the Network (continued)
Command Format
[TCP #23]
1. Protocol
Consist of header (7 bytes) + command data (6 bytes)
2. Header
BE + EF + 03 + 06 + 00 + CRC_low + CRC_high
CRC_low: Lower byte of CRC flag for command data
CRC_high: Upper byte of CRC flag for command data
3. Command data
Command data chart
byte_0 byte_ byte_2byte_3byte_4byte_5
ActionTypeSetting code
lowhighlowhighlowhigh
Action (byte_0 - 

)
ActionClassificationContent
SetChange setting to desired...