S
P
E
C
F
I
L
E
PT-
AX200
High-Definition Home Cinema Projector
As of October 2008
< 8 >
S
ERIAL
PC
8-pin DIN (male)
S
erial adapter
ET-AD
S
ER
Communication cable (R
S
-232C)
Serial connector
The serial connector complies with RS-232C. To control the projector from a personal computer, com-
mands must be input through communication software, based on the format and satisfying the commu-
nication conditions shown below.
Pin assignments and signal names
Communication conditions (factory setting)
Basic format
Transmission from the computer begins with STX, then the ID, command, parameter, and ETX are sent
in this order. Add parameters according to the details of control.
CAUTIION
Be sure to see that an optional serial adapter ET-ADSER and a
RS-232C communication cable match the PC to be connected.
2
1
3
5
8
6
No.
1
2
3
4
No.
5
6
7
8
S
ignal name
–
–
RXD
G
ND
S
ignal name
TXD
–
–
–
De
s
cription
Connected internally
Connected internally
Receive data
G
round
De
s
cription
S
end data
Connected internally
NC
NC
S
ignal level
S
ynchronization method
Baud rate
Parity
Character length
S
top bit
X parameter
S
parameter
R
S
-232C-compliant
S
tart-
s
top
s
ynchronization
9,600 bp
s
None
8 bit
s
1 bit
None
None
Mini DIN 8-pin
STX
ETX
C1 C2 C3
:
P1 P2 P3 P4
Start
(1 byte)
End
(1 byte)
Colon
(1 byte)
Parameter
(1-4 bytes)
Command
(3 bytes)
(Control and/or query commands)
CAUTIION
When sending multiple commands, be sure to send the next command after receiving a response from the projector.
Cable specifications
1
2
3
4
5
6
7
8
9
–
2
3
–
5
6
7
8
–
5
3
–
4
6
1
2
–
1
2
3
4
5
6
7
8
9
PC (DTE)
Projector
Serial adapter
(ET-ADSER)
NC
NC
DSR
NC
NC
NC
NC
NC
