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Appendix
Technical Information
Serial terminal
The serial connector which is on the connector panel of the projector conforms to the RS-232C interface
specification, so that the projector can be controlled by a personal computer which is connected to this connector.
J
Connection
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Pin assignments and signal names
D-Sub 9-pin (female)
Outside view
Pin No.
Signal name
Contents
—
NC
TXD
Transmitted data
RXD
Received data
—
NC
GND
Earth
—
NC
CTS
Connected internally
RTS
—
NC
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Communication conditions
Signal level
RS-232C-compliant
Character length
8 bits
Sync. method
Asynchronous
Stop bit
1 bit
Baud rate
19 200 bps
X parameter
None
Parity
None
S parameter
None
Cable specifications
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[When connected to a computer]
Projector
1
NC
NC
1
Computer (DTE
specifications)
2
2
3
3
4
NC
NC
4
5
5
6
NC
NC
6
7
7
8
8
9
NC
NC
9
D-Sub 9-pin (male)
D-Sub 9-pin (female)
Connecting terminals
on projector
Communication cable
Computer
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Functional Execution Command
Format
The projector control command is defined as one command line that starts with "C" and ends with carriage
return.
Next Command
PC
�
Projector
Projector
�
PC
Command
Response
More than 100ms
“C” “0” “7” CR
ACK
CR
(A few ms ~ 5s)