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Technical information
Serial terminal
The serial port on the connector panel of the projector conforms to the RS-232C interface specification, so the
projector can be controlled by a personal computer connected to this port.
■ Connection
Serial terminal (female)
■ Pin assignments and signal names
D-Sub 9 Pin (external view)
(6)
(1)
■ Communication settings
Signal level
Sync. method
Baud rate
Parity
■ Basic format
STX
Command
Start byte
(02h)
3 bytes
Attention
z The projector cannot receive any command for 10 seconds after the lamp is switched on. Wait 10 seconds before sending
a command.
z If sending multiple commands, check that a response has been received from the projector for one command before
sending the next.
z When a command which does not require parameters to be sent, a colon (:) is not required.
Note
z If an incorrect command is sent, the ER401 command will be sent from the projector to the personal computer.
102 - ENGLISH
Pin No.
(1)
(2)
(9)
(3)
(4)
(5)
(6)
(7)
(5)
(8)
(9)
RS-232C
Asynchronous
9 600 bps
None
:
Parameter
ETX
1 byte
End
(03h)
1 byte - 4 bytes
D-sub 9 pin (male)
Signal name
—
NC
TXD
Transmitted data
RXD
Received data
—
NC
GND
Earth
—
NC
RTS
Connected internally
CTS
—
NC
Character length
Stop bit
X parameter
S parameter
Data streaming from the computer will start with STX,
and proceed to command, parameter and end with
ETX.
Parameters can be added as necessary.
Computer
Contents
8 bits
1 bit
None
None
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