LG 50PK550 Owner's Manual - Page 119
a][ ][Set ID][ ][OK][Data00][Data01], Data02][Data03][Data04][x][a][ ][Set ID], NG][Data00][x], m][b]
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Data 05: 7 Main/Sub Picture 6 Two/One Part Channel 5 Using Physical 4 Channel Reserved 3 2 1 0 Step 0 Main 1 Sub 0 Two 1 One 0 Use x 0 0 0 0 NTSC Air 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 x x x x x x 1 1 1 1 Reserved ... 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 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. 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] G p.113. Acknowledgement [c][ ][Set ID][ ][OK/NG][Data][x] * 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] 119