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APPENDIX
121
2200 .. CChhaannnneell TTuunniinngg ((CCoommmmaanndd:: mm aa))
Tune Channel to following Physical/major/minor number
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
Transmission [m][a][ ][Set ID][ ][Data0][ ][Data1]
[ ][Data2][Cr]
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]
2211.. CChhaannnneell AAdddd//DDeell((CCoommmmaanndd:: mm bb))
To add and delete the channels.
Data00 : Channel Delete 01 : Channel Add
Transmission [m][b][ ][Set ID][ ][Data][Cr]
Acknowledgement [b][ ][Set ID][ ][OK/NG][Data][x]
2222..
KKeeyy
((CCoommmmaanndd:: mm cc))
To send IR remote key code.
Data: Key code - Refer to page 115.
Transmission [m][c][ ][Set ID][ ][Data][Cr]
Acknowledgement [c][ ][Set ID][ ][
OK/NG][Data][x]
2233.. IInnppuutt SSeelleecctt ((CCoommmmaanndd:: xx bb))
To select input source for TV.
Transmission [x][b][ ][Set ID][ ][Data][Cr]
Data 10: TV
Data 20: AV/AV1 Data 21: AV2
Data 40: Component/Component1
Data 41: Component 2
Data 60: RGB-PC Data 90: HDMI/HDMI1
Data 91: HDMI2 Data 92: HDMI3
Acknowledgement [b][ ][Set ID][ ][OK/NG][Data][x]
2244.. BBaacckklliigghhtt ((CCoommmmaanndd:: mm gg))
To adjust screen backlight.
Data Min:00 ~ Max:64 (*transmit by Hexadecimal code)
*Refer to ‘Real data mapping’.
Transmission [m][g][ ][Set ID][ ][Data][Cr]
Acknowledgement [g][ ][Set ID][ ][OK/NG][Data][x]
MFL58486305-Edit4-en 5/29/09 1:12 PM Page 121