LG M2280D-PU Owner's Manual - Page 125

Channel Add/Del Command: m b, Key Command: m c, Backlight Command: m g

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Data05: 7 Main/Sub Picture 6 Two/One Part Channe 5 Using Physical Channel 4 Reserved 3 2 1 0 Step 0 Main 1 Sub 0 Two 1 One 0 Use x 0 0 0 0 1 No Use x 0 0 0 1 x 0 0 1 0 NTSC Air NTSC Cable 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 x x x x x x 1 1 1 1 Reserved ... Reserved The table above lists the binary code that 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 physical 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 21. 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] 22. Key (Command: m c) To send IR remote control code. Transmission [m][c][ ][Set ID][ ][Data][Cr] See page 118. Acknowledgement [c][ ][Set ID][ ][OK/NG][Data][x] When TV is in the standby mode, TV will turn on by POWER button of remote control only. 23. Backlight (Command: m g) To adjust screen backlight. Transmission [m][g][ ][Set ID][ ][Data][Cr] Data Min:00 - Max:64 (*transmit by Hexadecimal code) *Refer to 'Real data mapping'. See page 121. Acknowledgement [g][ ][Set ID][ ][OK/NG][Data][x] Acknowledgement[a][ ][Set ID][ ][OK][Data00] [Data01] [Data02][Data03][Data04][x][a][ ][Set ID][ ][NG][Data00][x] APPENDIX 125

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125
APPENDIX
Data05:
The table above lists the binary code that 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 physical 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]
21. 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]
22. Key (Command: m c)
To send IR remote control code.
Transmission [m][c][
][Set ID][
][Data][Cr]
See page 118.
Acknowledgement [c][
][Set ID][
][OK/NG][Data][x]
When TV is in the standby mode, TV will turn on by
POWER button of remote control only.
23. Backlight (Command: m g)
To adjust screen backlight.
Transmission [m][g][
][Set ID][
][Data][Cr]
Data Min:00 - Max:64 (*transmit by Hexadecimal code)
*Refer to ‘Real data mapping’.
See page 121.
Acknowledgement [g][
][Set ID][
][OK/NG][Data][x]
Step
NTSC Air
NTSC Cable
ATSC Air
ATSC Cable_std
ATSC Cable_hrc
ATSC Cable_irc
ATSC cable_auto
Reserved
...
Reserved
1
0
0
1
1
0
0
1
1
x
1
2
0
0
0
0
1
1
1
1
x
1
3
0
0
0
0
0
0
0
0
x
1
4
x
x
x
x
x
x
x
x
x
x
Rese±ved
5
0
1
Use
No Use
Using Physical
Channel
6
0
1
Two
One
Two/One
Pa±t Channe
7
0
1
Main
Sub
Main/Sub
Pictu±e
0
0
1
0
1
0
1
0
1
x
1