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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.
Connection
Computer
NOTE:
• You must use only an RS-232C Serial Interface Cable with a ferrite core, type ET-ADSER.
Pin assignments and signal names
Cable specifications
(When connected to a personal computer)
Basic format
STX
Command
Start byte
3 bytes
(02h)
The projector can not receive any command for 10 seconds after the lamp is switched on. Wait 10 seconds
before sending the command.
If sending multiple commands, check that a response has been received from the projector 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, the ER401 command will be sent from the
projector to the personal computer.
E
46 -
NGLISH
D-sub 8 pin (male)
Serial terminal adapter
(ET-ADSER: Optional)
Pin No.
A
B
C
D
E
F
G
H
:
Parameter
1 byte
1 byte -
4 bytes
Serial terminal (female)
Signal name
RXD
GND
TXD
NC
NC
Projector
NC
NC
The data streaming from the computer will
ETX
start with STX, and proceed to Command,
Parameter and end with ETX. You can
End
add the required parameter.
(03h)
Contents
Connected internally
Connected internally
Received data
Earth
Transmitted data
Connected internally
NC
NC
NC
NC
PC (DTE)
NC
NC
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