LG Electronics 55GA6400, LG 42GA6400 Carriage Return Ascii code ‘0x0D’, Space Ascii code ‘0x20’

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6EXTERNAL CONTROL DEVICE SETUP

Transmission / Receiving Protocol

Transmission

[Command1][Command2][ ][Set ID][ ][Data][Cr]

[Command 1] : First command to control the TV. (j, k, m or x)

[Command 2] : Second command to control the TV.

[Set ID] : You can adjust the [Set ID] to choose desired monitor ID number in option menu. Adjustment range in TV is 1 to 99. If [Set ID] value is selected to ‘0’, every connected set can be controlled.

*[Set ID] is indicated as decimal (1 to 99) on menu and as Hexadecimal (0x00 to 0x63) on transmission/receiving protocol.

[DATA]	: To transmit command data (hexadecimal). Transmit ‘FF’ data to read status of command.
[Cr]	: Carriage Return - ASCII code ‘0x0D’
[ ]	: Space – ASCII code ‘0x20’

OK Acknowledgement

[Command2][ ][Set ID][ ][OK][Data][x]

*The set transmits ACK (acknowledgement) based on this format when receiving normal data. At this time, if the data is data read mode, it indicates present status data. If the data is data write mode, it returns the data of the PC computer.

Error Acknowledgement

[Command2][ ][Set ID][ ][NG][Data][x]

*The set transmits ACK (acknowledgement) based on this format when receiving abnormal data from non- viable functions or communication errors.

Data 00: Illegal Code

Real data mapping (Hexadecimal b Decimal)

*When you enter the [data] in hexadecimal, refer to following conversion table.

*Channel Tune (ma) Command uses two-byte hexadecimal value([data]) to select channel number.

00	: Step 0	32 : Step 50 (Set ID 50)	FE : Step 254
01	: Step 1 (Set ID 1)	33 : Step 51 (Set ID 51)	FF : Step 255
...		...	...
0A : Step 10 (Set ID 10)		63 : Step 99 (Set ID 99)	01	00 : Step 256
...		...	...
0F : Step 15 (Set ID 15)		C7 : Step 199	27	0E : Step 9998
10	: Step 16 (Set ID 16)	C8 : Step 200	27	0F : Step 9999
...		...	...

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Contents LED TV Table of Contents Follow all instructions Important Safety InstructionsEnglish YyGrounding YyDisconnecting the Main PowerYyOutdoor Antenna Grounding YyMovingYyDot Defect Preventing Image burn or Burn-in on your TV screenYyGenerated Sound For USA and CanadaViewing 3D Imaging English Licenses Unpacking Assembling and PreparingWall Mount Inner Spacers Cable Management Cable Holder For GA6400, GA6450 seriesIR Blaster Cable Cable Management Cable Holder For GA7900 seriesComponent Video Cable Composite Video Cable AG-F3 Optional ExtrasButton Description Parts and ButtonsLifting and moving the TV Attaching the stand Setting up the TVM4 x 14 4 EA Stand body Front Stand base English Mounting on a tableModel Mounting on a wallStandard screw Wall mountTidying cables Install the cable management as shownMaking Connections Connecting to an antenna or cableVHF Antenna UHF Antenna Coaxial 75ΩWired Network Connection Wireless Network ConnectionNetwork connection Hdmi Connection Connecting to a HD receiver DVD Player or VCRHdmi is the best way to connect a device DVI to Hdmi Connection Connecting to a mobile phone Use the composite video cable provided Component ConnectionNot Provided DVD/ Blu-Ray / HD Cable BoxVCR / DVD/ Blu-Ray / HD Cable Box Composite ConnectionHdmi Connection or DVI to Hdmi Connection Connecting a PCChoose method a or B to make connection Method B DVI to Hdmi Connection Digital Optical Audio Connection Connecting to an Audio SystemConnecting a USB Device Connecting to a HeadphoneUsing IR Blaster Inserting batteries Remote ContrOLWheel PowerGesture Shift TabBack EXT PWR Fn+ZHow to use the zoom in/out gestures Registering the remote controlPrecautions to take when using the remote control How to register the remote controlWatching TV Setting the ModeTurning the TV on for the first time Problem Resolution TroubleshootingOpen Source Software Notice Models SpecificationsStandard Output PowerFrequency Range MaxCleaning Your TV MaintenancePower cord Screen, frame, cabinet and standPage Child Safety External Control Device Setup Volume + This feature is not available for all modelsVolume PowerUSB Type External Control Device SetupSerial port RS-232CSub Communication Parameters Space Ascii code ‘0x20’ Carriage Return Ascii code ‘0x0D’Set ID C8 Step 0F Step Aspect Ratio Command k c Main Picture Size Volume Mute Command k eVolume Control Command k f Contrast Command k gColorColour Temperature Command x u Tint Command k jSharpness Command k k OSD Select Command k lColombia Model For South Korea, North/Latin America exceptFor Japan Model Control Back Light Command m g ChannelProgramme Add/DelSkip Command m bControl Panel Light Command m g For Plasma TV Input select Command x b Main Picture InputExtended 3DCommand x v only 3D models Depending on model DCommand x t only 3D models Depending on modelDon’t care Page LG Customer Information Center Register your product Online