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74ViewSonic PJL6243
74
Serial Control Interface
Appendix
Operation
This projector provides a function to control and monitor the projector’s operations by using the RS-232C serial port.
1
2
Connect a RS-232C serial cross cable to CONTROL
PORT on the projector and serial port on the PC.
(See p.9)
Launch a communication software provided with PC
and setup the communication condition as follows:
3
Type the command for controlling the projector and
then enter the “Enter” key.
Example
When you want to change the input to COMPUTER 2,
Type ‘C’ ‘0’ ‘6’ ‘Enter’.
Functional Execution Command
Format
The command is sent from PC to the projector with the
format below;
‘C’ [Command] ‘CR’
Command: two characters (refer to the command
table below.
- The projector decodes the command and returns the
‘ACK’ with the format below;
‘ACK’ ‘CR’
-
When the projector cannot decode the command,
it
returns with format below.
‘?’ ‘CR’
Baud rate : 9600 / 19200 bps
Parity check : none
Stop bit
: 1
Flow control
: none
Data bit : 8
Note:
• The default of the baud rate is set to 19200
bps. If an error occurs in the communication,
change the serial port and the communication
speed (baud rate).
• Enter with ASCII 64-byte capital characters and
onebyte characters.
Command Function
C00 Turn the projector ON
C01
Turn the projector OFF
(immediately OFF)
C02 Turn the projector OFF
C05 Computer 1
C06 Computer 2
C07 Video
C09 VOLUME +
C0A VOLUME -
C0B AUDIO MUTE ON
C0C AUDIO MUTE OFF
C0D VIDEO MUTE ON
C0E VIDEO MUTE OFF
C0F Screen Normal size(4 : 3)
C10 Screen Wide size(16 : 9)
C11 Image Standard
C12 Image Real
C13 Image Cinema
C14 Image 1
C15 Image 2
C16 Image 3
C17 Image 4
C18 Blackboard
C19 Dynamic
Command Function
C1C MENU ON
C1D MENU OFF
C1E DISPLAY CLEAR
C20 BRIGHTNESS +
C21 BRIGHTNESS -
C27 IMAGE (Toggle)
C28 Direct on Enable
C29 Direct on Disable
C2A Power Management Ready
C2B Power Management OFF
C2E Power Management Shut down
C30 D.ZOOM +
C31 D.ZOOM -
C34 Computer 1 S-Video
C39 Image Colorboard
C3A POINTER RIGHT
C3B POINTER LEFT
C3C POINTER UP
C3D POINTER DOWN
C3F ENTER
C43 FREEZE ON
C44 FREEZE OFF
C50 Computer 1 Analog RGB
C51 Computer 1 Scart
C54 Computer 1 Component
C89 Auto PC ADJ.
C8A PRESENTATION TIMER
C8B PRESENTATION TIMER (Exit)
C8E KEYSTONE ↑
C8F KEYSTONE ↓