Panasonic PT LB50NTU, Operating Instructions Manual

Page: 70 / 72

70-E
NGLISH
Using the SERIAL connector
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
Pin assignments and signal
names
Basic format
The data sent from the computer to
the projector is transmitted in the
format shown below.
Pin
No.
Communications settings
Signal
name
Contents
1
2
6
8
5 3
%
RXD Received data
&
GND Earth
'
TXD Transmitted data
#
$
Connected internally
(
)
*
DIN 8-pin
Appearance
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)
DIN 8-pin (male)
Serial adapter
(ET-ADSER : sold
separately)
SERIAL(female)
Computer
NOTE:
B The projector can not receive
the command for 10 seconds
after the lamp is switched on.
Wait 10 seconds before sending
the command.
B If sending multiple commands,
check that a response has been
received from the projector for
one command before sending
the next command.
B When a command which does
not require parameters is sent,
the colon (:) is not required.
B If an incorrect command is sent
from the personal computer, the
“ER401” command will be sent
from the projector to the
personal computer.
NC
NC
NOTE:
B You must use only RS-232C
Serial Interface Cable with
ferrite core, type ET-ADSER.