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Controlling the projector by using RS-232C
You can also control the projector by entering the command from a computer via RS-232C.
Command list
RS-232C
9600 bps, No parity, Data length: 8 bit,
Stop bit: 1 bit
STX (02h) Command (3Byte) ETX (03h)
One command only can be used in one
communication.
Command shall be composed of
alphanumeric characters of ASCII description.
Use only capital letters.
Acknowledge ACK (06h)
Not Acknowledge NAK (15h)
Communication
method
Communication
format
Data format
Return value
1
2
3
4
Signal assignment of RS-232C
Interface format
Notes
• When commands are transmitted serially, keep more than 100 ms intervals between the commands.
• Adjustment commands include “ARG” (increase adjustment value) and “ALF” (decrease adjustment value). For usable items (marked “Ye s ”), send after the
selection command.
• The “
Ye s
” marks in the input source columns indicate that that command can be used. *1 Not possible for PAL/SECAM. *2 Not possible for 480i mode.
7
8
6
3
4
5
12
CONTROL RS-232C
Description
Receiving data
Consent to send
Data set ready
Signal ground
Request to send
No connection
Sending data
No connection
Pin No.
1
2
3
4
5
6
7
8
Signal
RXD
CTS
DSR
GND
RTS
N.C
TXD
N.C
Continued
Classification
Items/Status
Power On
Off (with confirmation message)
Shut Down (without confirmation message)
Normal (RS-232C Condition Display Off)
Picture Contrast
Brightness
Phase
Frequency
Color
Tint
Sharpness
Selection
Command
PON
POF
PSD
DOF
VCN
VBR
PPH
PCK
VCL
VTN
VSH
Adjustment
Command
-
-
-
-
Ye s
Ye s
Ye s
Ye s
Ye s
Ye s
Ye s
Y/P
B/PR
Ye s
Ye s
Ye s
Ye s
Ye s
Ye s
-
-
Ye s
Yes
*2
Yes
*2
Computer
Ye s
Ye s
Ye s
Ye s
Ye s
Ye s
Ye s
Ye s
-
-
-
Video/S-Video
Ye s
Ye s
Ye s
Ye s
Ye s
Ye s
-
-
Yes
*1
Ye s
Ye s