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ADJUSTMENTS
(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
[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
1 FG
2 RXD
3 TXD
5 CTS
7 GND
[6] Protocol
MPJ from computer
Up to 3 commands possible
stx
stx
stx
ID
ID
ID
etx
etx
etx
Straight cable
2 RXD
3 TXD
5 CTS
7 GND
1 FG
COMMAND
COMMAND
COMMAND
COMMAND COMMAND
ARGUMENT
ID : 2-Byte(ASC ll)COMMAND : 3-Byte(ASC ll)
stx=02h etx=03h
MPJ MPJ
*
ARGUMENT : 3-Byte(ASC ll)
PIN No.
1
2
3
5
7
Symbol
FG
RXD
TXD
CTS
GND
Signal Name
Frame Ground
Received Data
Transmitted Data
Clear To Send
Signal Ground
(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.
TXD 3
RXD 2
CTS 8
GND 5
COMPUTER
(IBM PC)