Panasonic PT-AE900U manual Using the Serial connector, Control commands, Connection, Basic format

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.

Control commands

Command Control contents Remarks

Connection

SERIAL(female)Computer

DIN 8-pin (male)

Serial adapter (ET-ADSER : sold separately)

NOTE:

BYou must use only RS-232C Serial Interface Cable with ferrite core, type ET-ADSER.

Pin assignments and signal names

	1	2
	3	5
	6	8
	DIN 8-pin
	Appearance
Pin	Signal	Contents
No.	name
%	RXD	Received data
&	GND	Earth
'	TXD	Transmitted data
#
$		Connected internally
(
)		NC
*		NC

Communications settings

Signal level	RS-232C
Sync. method	Asynchronous
Baud rate	9 600 bps
Parity	None
Character length	8 bits
Stop bit	1 bit
X parameter	None
S parameter	None

Basic format

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

STX Command : Parameter ETX

Start byte		1 byte	End byte
(02h)	3 bytes	1 byte-4	bytes (03h)

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.

		In standby mode, all commands other than
PON	Power ON	the PON command are ignored.
		BThe PON command is ignored during
		lamp ON control.
		BIf a PON command is received while the
		cooling fan is operating after the lamp
POF	Power OFF	has switched off, the lamp is not turned
		back on again straight away, in order to
		protect the lamp.
		Parameter
	Input signal	VID=VIDEO	SVD=S-VIDEO
IIS		RG1=PC	YUV=YPBPR1
	selection
		HDM=HDMI	CP1=YPBPR1
		CP2=YPBPR2
		Use this command to momentarily turn off
		the picture.
OSH	Shutter function	Operation will be switched between ON and
		OFF each time the command is sent. Do
		not switch operation ON and OFF after only
		short periods of time.
		The picture being projected will be paused.
OFZ	Freeze function	Parameter
		0=OFF	1=ON
OMN	Menu screen	The menu screen will be displayed.
OEN	ENTER	Use this command to accept and to activate
		items selected in the on-screen menus.
OBK	RETURN	Use this command to return to a previous
		menu screen or to clear the menu screen.
OCU		OCU= F button
OCD	F, G, I and H	OCD= G button
OCL	buttons	OCL= I button
OCR		OCR= H button		Others
OVM	MAIN	Use this command to display an item in the
		“PICTURE” menu. (page 35)
VS1	Aspect ratio	The aspect ratio will be switched each time
	selection	the command is sent. (page 30)

(Continued on next page.)

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