Panasonic PT-L720U manual Using the Serial connector

Page 23

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.

Control commands

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

Command

Control

Remarks

Contents

 

 

Connection

Computer

SERIAL(female)

D-Sub9p (male)

Communication cable

NOTE:

BUse 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

6 9

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)

 

 

1 byte–5

 

bytes (03h)

3 bytes

 

 

 

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.

 

 

 

 

 

AVL

Volume

Parameter

 

000–063(Adjustment value 0–63)

 

 

 

 

 

 

 

Input signal

Parameter

 

IIS

VID=VIDEO

SVD=S-VIDEO

selection

 

RG1=RGB1(YPBPR1) RG2=RGB2(YPBPR2)

 

 

 

 

 

 

 

 

Parameter

 

 

Lamp ON

0 = Standby

 

Q$S

1 = Lamp ON control active

condition query

 

2 = Lamp ON

 

 

 

 

 

 

3 = Lamp OFF control active

Operation

1 5

D-SUB 9-pin connector seen from outside

Pin

Signal

Contents

No.

name

 

 

 

 

#

 

NC

 

 

 

$

TXD

Transmitted data

 

 

 

%

RXD

Received data

 

 

 

&

 

NC

 

 

 

'

GND

 

 

 

 

(

DSR

 

 

 

 

)

CTS

Connected internally

 

 

 

*

RTS

 

 

 

 

+

 

NC

 

 

 

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.

Cable specifications

(When connected to a personal computer)

At the computer

At the projector

(DTE specifications)

 

 

 

 

 

 

 

 

 

 

 

 

1

NC

NC

1

 

 

 

 

 

 

 

 

 

 

2

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

NC

NC

4

 

 

 

 

 

 

 

 

 

 

5

 

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

NC

NC

6

 

 

 

 

 

 

 

 

 

 

 

 

 

7

 

 

7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

 

 

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9

NC

NC

9

 

 

 

 

 

 

 

 

Advanced

44

45

Image 23 Panasonic PT-L720U manual Using the Serial connector
Contents Model No. PT-L720U LCD Projector Commercial UseDeclaration of Conformity Dear Panasonic CustomerModel number PT-L720U / PT-L520U Serial numberPrecautions with regard to safety ContentsDo not place liquid containers on top of the projector Do not handle the power cord plug with wet handsInsert the power cord plug securely into the wall outlet Do not place the projector into water or let it become wetDo not mix old and new batteries AccessoriesDo not put your weight on this projector Use only the specified batteriesPrecautions on handling Location and function of each part Projector control panel Remote control unitAbout the automatic setup function Connector panelAbout the RGB Input indicator Laser beam pointer Using the remote control unitWireless mouse Operating range Inserting the batteriesConnections Preparation Projector position Setting-upProjection methods Projection distancesStarting to use Turning on the powerTurning off the power Main Menu On-screen menusMenu screens Menu operation guide Using the freeze functionReturning a setting to Factory defaultPress the Menu button to return to the previous screen # Press a D.ZOOM +/- buttonPress the Menu button to return to the normal screen Adjusting the picture Adjusting the position OFF AspectResizing AutoOption settings Func Control KEY Using the Index Window functionUsing the shutter function Changing the display languageUsing the Serial connector Remedy IndicatorsCleaning procedure Lamp unit replacement periodPress and hold the Enter button for approximately 3 seconds Lamp unit replacement procedureTurn off the power Before calling for service Frequency Vertical scanning SpecificationsRemote control unit Power supply Operating range PT-L720U PT-L520U Horizontal scanningTrademark acknowledgements List of compatible signalsDimensions Ne pas retirer le capot ou le modifier Précautions de sécuritéAvertissement Ne pas surcharger la prise de courantPendant un orage, ne pas toucher le projecteur ou le câble Ne pas placer le projecteur sur des surfaces instablesNe pas placer des récipients de liquide sur le projecteur Ne pas mettre d’objets étrangers dans le projecteurAvertissements concernant la manipulation Avertissements concernant l’installationRemarque Remplacement du bloc de lampePériode de remplacement du bloc de lampe Bloc de lampe Méthode de remplacement du bloc de lampeLa mise hors tension, se Panasonic Canada Inc 800 222 Mail pbtsservice@panasonic.comPanasonic Broadcast & Television Systems Company Technical Support