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APPENDIX
80
APPENDIX
2211 .. TTuunnee CCoommmmaanndd ((CCoommmmaanndd:: mm aa))
Tune Channel to following Physical/major/minor number
Transmission [m][a][ ][Set ID][ ][Data0][ ][Data1]
[ ][Data2][ ][Data3][ ][Data4][ ][Data5][Cr]
Data 0: Physical Channel Number(Transmit by Hexadecimal
code)
NTSC air: 02~45
NTSC cable: 01, 0e~7d
Data1, Data2: Major Channel Number(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 chan-
nel does not need.
Data3, Data4: Minor Channel Number
Not needed for NTSC.
Data3: High byte
Data4: Low byte
Data5:
Attribute
Step
NTSC air
NTSC cable
1
0
0
2
0
0
3
0
0
4
x
x
Reserved
5
0
1
Use
No Use
Using Physical
Channel
6
0
1
Two
One
Two/One
Part Channel
7
0
1
Main
Sub
Main/Sub
Picture
0
0
1
** TTwwoo//OOnnee ppaarrtt CChhaannnneell:: 66
tthh
bbiitt
This bit is used in a cable-ready system.
** UUssiinngg pphhyyssiiccaall cchhaannnneell:: 55
tthh
bbiitt
If the channel band is NTSC air or NTSC cable, channel tuning
can be done by only physical channel. In this case, using physical
channel bit must be low(0).
Example)
1. Analog channel: NTSC cable, channel number(35), main pic-
ture
Command: ma 00 23 xx xx xx xx 01
attribute(0x01): main picture, two part(it’s not mandatory),
using physical channel, NTSC cabl 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]
MFL41469212-Edit2-en5-mi 4/28/09 11:27 AM Page 80