User guide

Using the SERIAL connector
The serial connector which is on the side 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 Communications settings
Computer
SERIAL(femaie)
o o
I
D-Sub9p (male)
7 ----------- ^ --------
Communication cable
NOTE:
• Use a proper communication
cable which is suitable for the
personal computer to connect the
serial connector and the personal
computer.
Pin layout and signal
names for SERIAL
connector
o
I à o o i> ^
Iqoooo\
o
CD ®
D-SUB 9-pln connector seen from
outside
Pin
No.
Signal
name
Contents
(D
NC
(D
TXD Transmitted data
CD
RXD Received data
Connected internally
(D
GND
©
NC
©
CTS
Connected internally
RTS
NC
Signal level RS-232C
Sync, method Asynchronous
Baud rate 9600 bps
Parity None
Character length
8 bits
Stop bit 1 bit
X parameter None
S parameter None
Basic format
The data sent from the computer to
the projector is transmitted in the
fromat shown below.
STX Command Parameter ETX
Start byte
(02h) 3 bi
1 Jyte
rtes 1 byte-5
End Jyte
bytes (03h)
NOTE:
• 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 is 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.
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