Panasonic LB20NTU User Manual

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.

The data sent from the computer to
the projector is transmitted in the
format shown below.

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.