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Appendix – LG 19LH20R User Manual

Page 121

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APPENDIX

121

2

20

0 .. C

Chhaannnneell T

Tuunniinngg ((C

Co

om

mm

maannd

d:: m

m 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

** T

Tw

wo

o//O

On

ne

e p

paarrtt C

Ch

haan

nn

ne

ell:: 6

6tt h

h bbiitt

This bit is used in a cable-ready system.

** U

Ussiin

ng

g p

ph

hy

yssiiccaall cch

haan

nn

ne

ell:: 5

5tt h

h 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]

2

21

1.. C

Ch

haan

nn

ne

ell A

Ad

dd

d//D

De

ell((C

Co

om

mm

maan

nd

d:: m

m b

b))

To add and delete the channels.

Data 00 : Channel Delete 01 : Channel Add

Transmission [m][b][ ][Set ID][ ][Data][Cr]

Acknowledgement [b][ ][Set ID][ ][OK/NG][Data][x]

2

22

2.. K

K e

e y

y ((C

Co

om

mm

maannd

d:: m

m 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]

2

23

3.. IInnp

puutt SSeelleecctt ((C

Co

om

mm

maannd

d:: xx b

b))

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]

2

24

4.. B

Baacckklliigghhtt ((C

Co

om

mm

maannd

d:: m

m 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