External Control By Mpj Rs-232C - Pioneer RM-V2550 Manual

(6) External control by MPJ RS-232C

As MPJ is equipped with a RS-232C port, various controls and, white balance and convergence adjustments can
be performed by an external computer.
By programming software ,it is possible not only to adjust White Balance,Convergence but to save and control
the adjustment data of each source.
1 Interface
[1] Connector
D-sub 25-pin
[2] Pin assignment
Symbol
PIN No.
1 FG
2 RXD
3 TXD
CTS
5
GND
7
[3] Baud rate
4800 bps (1200, 2400, 9600, 19200 bps can also be selected)
[4] Data format
Start:1-bit
Data:8-bit
Parity:0 (No parity)
Stop:1-bit
[5] Connection
COMPUTER
FG 1
TXD 2
RXD 3
CTS 5
GND 7
Straight cable
[6] Protocol
MPJ from computer
stx
ID COMMAND
stx
COMMAND
ID
stx
COMMAND
ID
Signal Name
Frame Ground
Received Data
Transmitted Data
Clear To Send
Signal Ground
MPJ
1 FG
2 RXD
3 TXD
5 CTS
7 GND
ID : 2-Byte(ASC ll)COMMAND : 3-Byte(ASC ll)
stx=02h etx=03h
etx
COMMAND COMMAND
*
etx
ARGUMENT
(Note)
When performing external control of the MVP using
RS-232C, connect a RS-232C cable to the rear panel
of the MVP, and refer to the steps in "Chapter 7.
(page 153) Connection with MVP external com-
puter" and onwards.
COMPUTER
(IBM PC)
TXD 3
RXD 2
CTS 8
GND 5
Up to 3 commands possible
etx
ARGUMENT : 3-Byte(ASC ll)
ADJUSTMENTS
MPJ
2 RXD
3 TXD
5 CTS
7 GND
1 FG
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