MFL41469207en-Edit2 11/7/08 11:22 AM Page 96
APPENDIX
2 2 5 5 . . T T u u n n e e C C o o m m m m a a n n d d ( ( C C o o m m m m a a n n d d : : m m a a ) )
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
Main/Sub
7
Picture
0
Main
1
Sub
* * T T w w o o / / O O n n e e p p a a r r t t C C h h a a n n n n e e l l : : 6 6 t t h h b b i i t t
This bit is used in a cable-ready system.
* * U U s s i i n n g g p p h h y y s s i i c c a a l l c c h h a a n n n n e e l l : : 5 5 t t h h b b i i t t
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).
96
Two/One
Using Physical
6
5
Part Channel
Channel
Reserved
0
Two
0
Use
1
One
1
No Use
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]
4
3
2
1
x
0
0
0
x
0
0
0
Step
0
0
NTSC air
1
NTSC cable