LG Electronics 42PN450P Control Back Light Command m g, For LCD TV / LED TV, For Plasma TV

40 EXTERNAL CONTROL DEVICE SETUP

[Data 01][Data 02]: Major Channel Number	20. Control Back Light (Command: m g)
Data 01: High byte Channel Data	• For LCD TV / LED TV
Data 02: Low byte Channel Data
	►►To control the back light.
- 00 01 ~ 27 0F (Decimal: 1 ~ 9999)
		Transmission [m][g][ ][Set ID][ ][Data][Cr]
[Data 03][Data 04]: Minor/Branch Channel Number	Data Min : 00 to Max : 64
(Don’t care in Satellite)
Data 03: High byte Channel Data
		Ack [g][ ][Set ID][ ][OK/NG][Data][x]
Data 04: Low byte Channel Data
Data 05 : Input Source (Digital/Satellite for Japan)
- 02 : Terrestrial TV (DTV)		Control Panel Light (Command: m g)
- 07 : BS (Broadcasting Satellite)	• For Plasma TV
- 08 : CS1 (Communication Satellite 1)
	►►To control the panel light.
- 09 : CS2 (Communication Satellite 2)
		Transmission [m][g][ ][Set ID][ ][Data][Cr]

ENGLISH

* Tune Command Examples:

1Tune to the digital terrestrial (ISDB-T) channel 17-1. Set ID = All = 00

Data 00 = Don’t know Physical = 00 Data 01 & 02 = Major is 17 = 00 11 Data 03 & 04 = Minor/Branch is 1 = 00 01 Data 05 = Digital Terrestrial TV = 02 Total = ma 00 00 00 11 00 01 02

2.Tune to the BS (ISDB-BS) channel 30. Set ID = All = 00

Data 00 = Don’t know Physical = 00 Data 01 & 02 = Major is 30 = 00 1E Data 03 & 04 = Don’t Care = 00 00 Data 05 = Digital BS TV = 07 Total = ma 00 00 00 1E 00 00 07

*This feature is varied based on the model. Ack [a][ ][Set ID][ ][OK][Data 00][Data 01] [Data 02][Data 03][Data 04][Data 05] [x][a][ ][Set ID][ ][NG][Data 00][x]

18.Channel(Programme) Add/Del(Skip) (Command: m b)

►►To skip current channel(programme) for next time. Transmission [m][b][ ][Set ID][ ][Data][Cr]

Data 00 : Del(ATSC,ISDB)/Skip(DVB) 01 : Add

Ack [b][ ][Set ID][ ][OK/NG][Data][x]

*Set the saved channel status to del(ATSC, ISDB)/ skip(DVB) or add.

19.Key (Command: m c)

►►To send IR remote key code. Transmission [m][c][ ][Set ID][ ][Data][Cr]

Data Key code - See p.32.

Ack [c][ ][Set ID][ ][OK/NG][Data][x]

Data Min : 00 to Max : 64

Ack [g][ ][Set ID][ ][OK/NG][Data][x]

21.Input select (Command: x b) (Main Picture Input)

►►To select input source for main picture. Transmission [x][b][ ][Set ID][ ][Data][Cr]

Data
00	: DTV	01	: CADTV
02	: Satellite DTV	10	: ATV
	ISDB-BS (Japan)
03	: ISDB-CS1 (Japan)
04	: ISDB-CS2 (Japan)
11 : CATV
20	: AV or AV1	21	: AV2
40	: Component1	41	: Component2
90	: HDMI1	91	: HDMI2
92	: HDMI3	93	: HDMI4

Ack [b][ ][Set ID][ ][OK/NG][Data][x]

* This function depends on model and signal.