LG Electronics PJ250R manual 116

MFL62883001-Edit3-en 3/17/10 3:47 PM Page 116

APPENDIX

21 . Channel Tuning (Command: m a)

Tune Channel to following Physical/ major/ minor number.

Transmission Data0 :[m ][a ][ ][Set ID ][][Data0] [ ] [Data1][ ][Data2 ][Cr ]

APPENDIX

Data0 :Physical Channel Number(Transmit by Hexadecimal code)

NTSC air:02-45

NTSC cable:01,0e~7d

Data1,Data2 :Major Channel(two part)or Channel

Number(one part)

Data1 :High byte

Data2 :Low Byte

Two part channel number: Major number-Minor number One part channel number:

In case of using one part channel number, minor channel does not need.

Data3,Data4 :Minor Channel Number

Not needed for NTSC

Data3 :High byte

Data4 :Low Byte

Data5 :Attribute

7	Main/Sub	6	Two/One	5	Using Physi-	4	3	2	1	0	7
	Picture		Part Channel		cal 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

Example)

1. Analog channel:NTSC cable,channel number(35),main picture

Command:ma oo 23 xx xx xx xx 01

attribute(0x01):main picture,two part(it's not mandatory), using physical channel, NTSC cable xx' data: don't care major and minor channel number in case analog channel tuning.

Acknowledgement [a ][][Set ID ][][OK ][Data0][Data1] [Data2 ][Data3 ][Data4 ][Data5 ][x ][a] [ ][Set ID ][ ][NG ][Data0 ][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 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]

Data: Key code - Refer to page 109.

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

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