LG 47LH30FR-MA Owner's Manual - Page 127

MFL58486305-Edit4-en 10/15/09 3:55 PM Page 125 20 . Channel Tuning (Command: m a) Tune Channel to following Physical/major/minor number Transmission [m][a][ ][Set ID][ ][Data0][ ][Data1] [ ][Data2][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 channel does not need. Data3, Data4: Minor Channel Number Not needed for NTSC. Data3: High byte Data4: Low byte Data5: Attribute 7 Main/Sub Picture 0 Main 1 Sub 6 Two/One Part Channel 0 Two 1 One 5 Using Physical 4 Channel Reserved 0 Use x 1 No Use x * Two/One part Channel: 6th bit This bit is used in a cable-ready system. 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] 3 2 1 0 Step 0 0 0 0 NTSC air 0 0 0 1 NTSC cable * Using physical channel: 5th bit 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). 21. Channel Add/Del(Command: m b) To add and delete the channels. Transmission [m][b][ ][Set ID][ ][Data][Cr] Data 00 : Channel Delete 01 : Channel Add Acknowledgement [b][ ][Set ID][ ][OK/NG][Data][x] 23. Input Select (Command: x 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] 22. Key (Command: m c) To send IR remote key code. Transmission [m][c][ ][Set ID][ ][Data][Cr] Data: Key code - Refer to page 119. Acknowledgement [c][ ][Set ID][ ][OK/NG][Data][x] 24. Backlight (Command: m g) To adjust screen backlight. Transmission [m][g][ ][Set ID][ ][Data][Cr] Data Min:00 ~ Max:64 (*transmit by Hexadecimal code) *Refer to 'Real data mapping'. Acknowledgement [g][ ][Set ID][ ][OK/NG][Data][x] APPENDIX 125