NEC RS232 CONTROL CODES RESIDENTIAL MODELS User manual

NEC plasma display

External Control Manual

(for PX-42VP5/42XM5/42XM3/50XM4/61XM3)

Application

These specifications are applicable to NEC plasma monitors and

communications control from external equipment.

"Please also support the command of VP series and refer to the manual of the

conventional model about specification."

Connections

Connections should be made as described below.

1) Connector on the plasma monitor side: EXTERNAL CONTROL connector.

Type of connector: D-Sub 9-pin male

No.

Pin Name

1No Connection

2RXD (Receive data)

3TXD (Transmit data)

4DTR (DTE side ready)

5GND

6DSR (DCE side ready)

7RTS (Ready to send)

8CTS (Clear to send)

9No Connection

plasma monitor

External equipment

e.g., Pers

onal computer

2) Connector on the external equipment side: Serial port (RS-232C) connector.

See the specifications of the equipment that is to be connected for the type of

connector and the pin assignment.

3) Wiring

Use a crossed (reverse) cable.

Wire the cable so that each pair of data lines cross between the two devices.

These data line pairs are RXD (Receive data) and TXD (Transmit data), DTR

(DTE side ready) and DSR (DCE side ready), and RTS (Ready to send) and CTS

(Clear to send).

Communication Parameters

(1) Communication system Asynchronous

(2) Interface RS-232C

(3) Baud rate 9600 bps

(4) Data length 8 bits

(5) Parity Odd

(6) Stop bit 1 bit

(7) Communication code Hex

Communication Format

Command1

Command 1, along with command 2, is anumber used to distinguish each

command.

When making it operate using ID, bit1 and bit0 are set up as follows.

Bit1,Bit0 Unit ID distinction bit

11B :Usually, a form (with no ID)

10B :Usually, a form (with no ID)

01B :Set ID

00B :Video wall ID

In the case of ACK, when the lower order 4 bits is FH (as in 3FH and

7FH), this indicates that the commands and data of the supported

equipment have been received. When the lower order 4 bits is BH (as in

3BH and 7BH), this indicates that unsupported commands and data

have been received.

Unit ID1,2 (UA1,UA2)

Unit ID 1and unit ID 2are numbers used to identify the equipment

that is to be connected.

60H is used for the plasma monitor and 80H is used for external control

equipment such as a personal computer.

Command 1

Unit ID 1

Unit ID 2

Command 2

Data length

Data

Check sum

8bit

1) Unit ID 1: Indicates the equipment sending the signal. When

supporting Set ID by the command 1, 4 bits of low ranks of Set ID are

set up.

2) Unit ID 2: Indicates the equipment receiving the signal. When

supporting Set ID by the command 1, 4 bits of higher ranks of Set ID

are set up.

* Set ID : it is the apparatus number assigned to each plasma monitor.

Command 2

Command 2, along with command 1, is anumber used to distinguish each

command.

Check Sum (CKS), Error Processing, and ACK

1) The check sum described below and RS-232C odd parity are used together for

acheck of the received data. The check sum is the lower order 8 bits of one

frame of sent or received data comprising the sum total of Command 1, Unit

ID 1 and 2, Command 2, Data Length, and Data.

Check Sum Example

2) Error Processing

•When the communication interval is vacant for more than 4 ms, thereafter a

received Command 1will be recognized. If, at this time, meaningful data

cannot be recognized, that data will not be recognized (as valid data).

•An ACK will not be returned unless the receive data error,the check sum

error, and the receive data are all taken in.

Total 208H

DFH 80H 60H 47H 01H 01H 08H

Command1 Unit ID1 Unit ID2 Command2 Data Length Data Check Sum

The control method of the set by Set ID

When controlling two or more sets of plasma monitors, if the command

using Set ID is used, it will become controllable individually.

The example of the POWER ON command to the plasma monitor which set

ID as "5" is shown below.

It is not based on ID but is the POWER ON command to all sets.

9F 80 60 4E 00 CD

In ID= "5", the value of ID-1=4 is set up.

9D 84 60 4E 00 CF

The example of a change in the single mode of a 4th page multi-system configuration and

the multi-mode is shown below.

ID of the set used as a master(etc PC) is set to 50, and it assumes that ID is shaken by

AUTO ID to each set. ID shaken at each set is as follows.

Upper left set (master) ID = 50 = 32h

Upper right set ID = 51 = 33h

Lower right set ID = 52 = 34h

Lower left set ID = 53 = 35h

Transmission Data

DD 81 63 03 03 03 01 00 CB

DD 82 63 03 03 03 02 00 CD

DD 83 63 03 03 03 03 00 CF

DD 84 63 03 03 03 04 00 D1

Transmission of the above command performs a 4th page multi SPLIT display.

Moreover,the following commands are published in order to change a 4th page

multi-display into a single mode display.

DF 80 60 03 03 01 01 00 C7

All sets become a single mode display by the above-mentioned command.

Since this command does not specify Set ID, all sets execute it.

*:Control by ID may not be able to be performed depending on connection with

external control apparatus.

Command Reference List

CMD1 CMD2 LEN

01 Power ON 9FH 4EH 00H

02 Power OFF 9FH 4FH 00H

03 Input Switch Change DFH 47H 01H

04 VOLUME Gain Data DFH 7FH 03H

05 AUDIO Mute ON 9FH 3EH 00H

06 AUDIO Mute OFF 9FH 3FH 00H

07 CONTRAST Gain Data DFH 7FH 03H

08 BRIGHT Gain Data DFH 7FH 03H

09 SHARPNESS Gain Data DFH 7FH 03H

10 Color Gain Data DFH 7FH 03H

11 TINT Gain Data DFH 7FH 03H

12 PICTURE MODE Select DFH 0AH 01H

13 COLOR TEMP SELECT DFH 00H 01H

14 RED Gain Data DFH 7FH 04H

15 GREEN Gain Data DFH 7FH 04H

16 BLUE Gain Data DFH 7FH 04H

17 NR MODE Set DFH C0H 01H

18 BASS Gain Data DFH 7FH 03H

19 TREBLE Gain Data DFH 7FH 03H

20 BALANCE Gain Data DFH 7FH 03H

21 SCREEN MODE Select DFH 51H 01H

22 V.POSITION Gain Data DFH 7FH 03H

23 H.POSITION Gain Data DFH 7FH 03H

24 V-HEIGHT Gain Data DFH 7FH 03H

25 H-WIDTH Gain Data DFH 7FH 03H

26 AUTO PICTURE Select DFH 7FH 03H

27 PHASE Gain Data DFH 7FH 03H

28 CLOCK Gain Data DFH 7FH 03H

29 OSM Select DFH 58H 01H

30 OSM ADJ. Gain Data DFH 1AH 02H

31 POWER MGT Select DFH 1AH 02H

32 GRAY LEVEL Set DFH C6H 01H

33 CINEMAMODE Set DFH C1H 01H

34 LONG LIFE Set DFH 6BH 03H

35 INVESE Set DFH C7H 03H

36 SCREEN WIPER Set DFH C8H 04H

37 RESET 1FH 54H 00H

38 Audio Select Set DFH 70H 02H

39 BNC INPUT DFH 8CH 01H

40 RGB Select DFH 8BH 01H

41 HD Select DFH 8AH 01H

42 LANGUAGE Select DFH 5BH 01H

43 COLOR SYSTEM Select DFH 5CH 01H

44 FREQUENCY Request 1FH 26H 00H

45 Input MODE Request 1FH 41H 00H

46 VIDEO ADJ Request 1FH 45H 00H

47 Audio Select Request 1FH 6FH 00H

48 Failure Mode Request 1FH 3FH 00H

49 MODEL NAME Request 1FH 17H 00H

50 D-SUB INPUT DFH 8DH 01H

51 TIMER SWITCH DFH 02H 01H

52 LOW TONE DFH 0CH 01H

53 COLOR TUNE DFH 0DH 08H

54 TIMER PROGRAM SETTING DFH 30H 08H

55 PRESENT TIME SETTING DFH 31H 03H

56 MULTI MODE Select DFH 03H 03H

57 MULTI MODE Request 1FH 3BH 00H

58 AUTO ID SET START 5FH F0H 01H

59 PLE LINK DFH F1H 03H

60 VIDEO WALL SETTING DFH F3H 02H

61 POWER DELAY ON

(DIVIDER setting : 1/4/9)

DFH F2H 01H

62 POWER DELAY ON

(DIVIDER setting : 16/25)

DFH F6H01H

63 GAMMAGain Data DFH 13H 04H

64 Running Sense 1FH 88H 00H

65 ORBITTER SET DFH 1EH 04H

66 OSM OBITER DFH 5FH 01H

67 OSM ANGLE DFH 60H 01H

68 Input Skip 5FH 61H 01H

69*1

PICTURE Size DFH 2AH 01H

70 OPTION Select DFH 63H 04H

71 REPEAT Timer DFH 64H 06H

72 SERIAL No. Request 1FH 15H 00H

73 S1/S2 SELECT DFH 89H 01H

74 SOFT FOCUS DFH 65H 01H

75 PLUG and PLAY DFH 8EH 01H

76 DIGITAL SIGNAL

LEVEL SELECT

DFH 8FH 01H

77*1

MULTI(SPRIT) SCREEN

Select

DFH 07H 01H

78*1

SUB.P DETECT DFH 7AH 01H

79*1

ZOOM NAV DFH 7BH 01H

80*1

PIC FREEZE DFH 7CH 01H

81*1

PAUSE COMMAND DFH 7DH 01H

82*1

SEAMLESS SW DFH 7EH 03H

83*1

MULTI(SPRIT) SCREEN

PROGRAM TIMER

DFH 32H 0AH

84*1

MULTI(SPRIT) SCREEN

POWER ON MODE

DFH 33H 04H

85*1

MULTI(SPRIT) SCREEN

REPEAT TIMER

DFH 34H 09H

86 OSM CONTRAST DFH 37H 01H

87*2

CLOSECAPTION

(Closed Caption)

DFH 3CH 01H

88*2

CAPTION CONT DFH 3DH01H

*1:This function is only 50 or 61 inch model

*2:This function is only A version

This manual suits for next models

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