Panasonic TH-42PW4 operating instructions Serial Terminals connection, Communication parameters

Connections

SERIAL Terminals connection

The SERIAL terminal is used when the Plasma Display is controlled by a computer.

COMPUTER

SERIAL

Ferrite core	RS-232C
(supplied)	straight cable
D-sub 9p	Less than
	7" 7/8 (20 cm)

Notes:

(1)Use the RS-232C cable to connect the computer to the Plasma Display.

(2)The computers shown is for example purposes only.

(3)Additional equipment and cables shown are not supplied with this set.

6 7 8 9

1 2 3 4 5

Pin layout for RS-232C

The SERIAL terminal conforms to the RS-232C interface specification, so that the Plasma Display can be controlled by a computer which is connected to this terminal.

The computer will require software which allows the sending and receiving of control data which satisfies the conditions given below. Use a computer application such as a programming language to software. Refer to the documentation for the computer application for details.

Communication parameters

Signal level	RS-232C compliant
Synchronization method	Asynchronous
Baud rate	9600 bps
Parity	None
Character length	8 bits
Stop bit	1 bit
Flow control	–

RS-232C Conversion cable

D-sub 9-pin female			Details
	2		R X D
	3		T X D
	5		GND
4	•	6	Non use
	7		Shorted
	8
1	•	9	NC

Basic format for control data

Command

The transmission of control data from the computer starts

Command

Parameter

Control details

with a STX signal, followed by the command, the

PON

None

Power ON

parameters, and lastly an ETX signal in that order. If there

POF

None

Power OFF

are no parameters, then the parameter signal does not

AVL

**

Volume 00 ~ 63

need to be sent.

Audio MUTE OFF

AMT

0

1

Audio MUTE ON

STX

C1

C2

C3

:

P1

P2

P3

P4

P5

ETX

IIS

None

Input select (toggle)

Colon

Parameter(s)

End

VID

AV Mode

Start

3-character

(1 - 5 bytes)

(03h)

YP1

Component / RGB mode (processed as a

(02h)

command (3bytes)

Y/PB/PR or RGB signals as set by this unit)

RG1

PC mode

Note:

DAM

None

Screen mode select (toggle)

NORM

NORMAL (4:3)

(1) If multiple commands are transmitted, be sure to wait

ZOOM

ZOOM

for the response for the first command to come from

this unit before sending the next command.

FULL

FULL

(2) If an incorrect command is sent by mistake, this unit will

JUST

JUST

send an “ER401” command back to the computer.

SELF

Panasonic AUTO

With the power off, this display responds to PON command only.

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