47
Ad
v
anced
Operation
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:
• 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
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:
• The projector can not receive the
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 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.
Communications settings
1
5
6
9
D-SUB 9-pin connector seen from
outside
Signal level
RS-232C
Asynchronous
Sync. method
Baud rate
Parity
9 600 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
q
NC
w
TXD
Transmitted data
e
RXD
Received data
r
NC
t
GND
y
DSR
u
CTS
Connected internally
i
RTS
NC
o
