58
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
NOTE:
BUse 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
D-Sub9p (male)
Communication cable
SERIAL(female)
Computer
Basic format
The data sent from the computer to
the projector is transmitted in the
format shown below.
NOTE:
BThe projector can not receive the
command for 10 seconds after
the lamp is switched on. Wait 10
seconds before sending the
command.
BIf sending multiple commands,
check that a response has been
received from the projector for
one command before sending the
next command.
BWhen a command which does
not require parameters is sent,
the colon (:) is not required.
BIf an incorrect command is sent
from the personal computer, the
“ER401” command will be sent
from the projector to the personal
computer.
Communications settings
15
69
D-SUB 9-pin connector seen from
outside
Signal level RS-232C
AsynchronousSync. method
Baud rate
Parity
9600 bps
None
Character length 8 bits
Stop bit 1 bit
X parameter None
S parameter None
STX Command : Parameter ETX
Start byte
(02h) 3 bytes
1 byte
1 byte–5 bytes
End byte
(03h)
Pin
No.
Signal
name Contents
#NC
$TXD Transmitted data
%RXD Received data
&NC
'GND
(DSR
)CTS Connected internally
*RTS
NC
+