References
ENGLISH
51
Technical Information (continued)
SERIAL TERMINAL
The serial connector which is on the connector panel of the projector conforms to the RS-232C interface
specifications. The projector can be controlled by a personal computer which is connected to this connector.
Connection
LAN
SERIAL
COMPUTER 1 IN
S-VIDEO
S-VIDEO
IN
VIDEO IN
AUDIO IN
1
2
AUDIO
COMPUTER 2 IN
SERIAL
OUT
Pin assignments and signal names
①
⑤
⑥
⑨
Pin No.
Signal name
Contents
①
NC
②
TXD
Transmitted data
③
RXD
Received data
④
NC
⑤
GND
Earth
⑥
NC
⑦
RTS
Connected internally
⑧
CTS
⑨
NC
Communication settings
Signal level
RS-232C
Character length
8 bits
Sync.method
Asynchronous
Stop bit
1 bit
Baud rate
9 600 bps
X parameter
None
Parity
None
S parameter
None
Basic format
:
The data streaming from the computer will start with
STX, and proceed to Command, Parameter and end
with ETX.
You can add the required parameter.
NOTE:
The projector cannot receive any command for 10 seconds after the lamp is switched on. Wait for 10 seconds before sending
•
the command.
For multiple commands, check the projector if the response has been sent for one command before sending the next
•
command.
When a command which does not require parameters to be sent, the colon (:) is not required.
•
If an incorrect command is sent from the personal computer, an ER401 command will be sent from the projector to the
•
personal computer.
Computer
D-Sub 9-pin (male)
Serial
terminal
(female)
STX
Command
Parameter
ETX
Start byte
(02 h)
1 byte
End
(03 h)
3 bytes
1 bytes - 4 bytes