Step

Data 05:

7

Main/Sub

6

Two/One

5

Using Physical

4

3

2

1

0

Step

 

 

Part Channel

 

 

Picture

Channel

Reserved

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

Main

0

Two

0

Use

x

0

0

0

0

NTSC Air

 

 

 

 

 

 

 

 

 

 

 

 

 

1

Sub

1

One

1

No Use

x

0

0

0

1

NTSC Cable

 

 

 

 

 

 

 

x

0

0

1

0

ATSC Air

 

 

 

 

 

 

 

x

0

0

1

1

ATSC Cable_std

 

 

 

 

 

 

 

x

0

1

0

0

ATSC Cable_hrc

 

 

 

 

 

 

 

x

0

1

0

1

ATSC Cable_irc

 

 

 

 

 

 

 

x

0

1

1

0

ATSC cable_auto

 

 

 

 

 

 

 

x

0

1

1

1

Reserved

 

 

 

 

 

 

 

x

x

x

x

x

...

 

 

 

 

 

 

 

x

1

1

1

1

Reserved

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The table above lists the binary code which must be converted to Hexadecimal before sending. For example: The binary code to tune the sub source to an NTSC cable channel is “1000 0001”, which translates to “81” in Hex.

*7th bit : For which source do you want to change the channel.

*6th bit: Use a two part or one part channel. Most cases just use 0 since it’s ignored when using NTSC.

*5th bit: Use 0 with NTSC since it can only use the phys- ical channel number. Normally use 1 for ATSC since most times it doesn’t matter what the physical number is.

*4th bit: Set to 0.

* 3-0 bits: Choose signal type.

*Tune Command Examples:

1.Tune to the analog (NTSC) cable channel 35. Data 00 = Physical of 35 = 23

Data 01 & 02 = No Major = 00 00 Data 03 & 04 = No Minor = 00 00 Data 05 = 0000 0001 in binary = 01 Total = ma 00 23 00 00 00 00 01

2.Tune to the digital (ATSC) local channel 30-3. Data 00 = Don’t know Physical = 00

Data 01 & 02 = Major is 30 = 00 1E Data 03 & 04 = Minor is 3 = 00 03 Data 05 = 0010 0010 in binary = 22 Total = ma 00 00 00 1E 00 03 22

Acknowledgement[a][ ][Set ID][ ][OK][Data00][Data01] [Data02][Data03][Data04][x][a][ ][Set ID]

[ ][NG][Data00][x]

22. Channel Add/Del (Command: m b) To add and delete the channels.

Transmission [m][b][ ][Set ID][ ][Data][Cr]

Data 00: Channel Delete Data 01: Channel Add

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

23. Key (Command: m c)

To send IR remote key code.

Transmission [m][c][ ][Set ID][ ][Data][Cr]

Gp.113.

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

119

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LG Electronics 50pk340, 50PJ350, 50PJ250, 42PJ350, 42PJ250, 50PK550, 50PJ340 Step, Downloaded From TV-Manual.com Manuals

50PJ350C, 50PK550C, 42pj340, 50PK550, 42PJ350 specifications

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