Panasonic PT-L780NTE Operating Guide

The commands which the personal computer can use to control the projector
are shown in the following table.

In standby mode, all commands other than
the PON command are ignored.
B The PON command is ignored during

lamp ON control.

B If a PON command is received while the

cooling fan is operating after the lamp
has switched off, the lamp is not turned
back on again straight away, in order to
protect the lamp.

Power ON

PON

Power OFF

POF

Volume

AVL

Parameter
000–063(Adjustment value 0–63)

Input signal
selection

IIS

Parameter
VID=VIDEO

SVD=S-VIDEO

RG1=RGB1(YP

B

P

R

1) RG2=RGB2(YP

B

P

R

2)

RG3=RGB3

DVI=DVI

NWP=NETWORK (PT-L780NTE only) 
SDC=SD CARD (PT-L780NTE only) 

Lamp ON
condition query

Q$S

Parameter
0 = Standby
1 = Lamp ON control active
2 = Lamp ON
3 = Lamp OFF control active

(When connected to a personal computer)

1

2

3

4

5

6

7

8

9

1

2

3

4

5

6

7

8

9

NC

NC

NC

NC

NC

NC

NC

NC

At the projector

At the computer

(DTE specifications)

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.

NOTE:
B Use a proper communication

cable which is suitable for the
personal computer to connect the
serial connector and the personal
computer.

D-Sub9p (male)

Communication cable

SERIAL(female)

Computer

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

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.

1

5

6

9

D-SUB 9-pin connector seen from
outside

Signal level

RS-232C

Asynchronous

Sync. 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)

#

NC

$

TXD

Transmitted data

%

RXD

Received data

&

NC

'

GND

(

DSR

)

CTS

Connected internally

*

RTS

NC

+