01 . Power (Command: k a)

To control Power On/Off of the TV.

Transmission [k][a][ ][Set ID][ ][Data][Cr]

Data 00: Power Off

Data 01: Power On

 

 

Acknowledgement [a][

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

 

 

*In a like manner, if other functions transmit ‘FF’ data based on this format, Acknowledgement data feedback presents status about each function.

*Note: In this model, TV will send the Acknowledge after power on processing completion.

There might be a time delay between command and acknowledge.

02. Input Select (Command: x b)

To select input source for TV.

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

Data 00: DTV (Antenna)

Data 01: DTV (Cable)

Data 10: Analog (Antenna)

Data 11: Analog (Cable)

Data 20: AV/AV1

Data 21: AV2

Data 40: Component

Data 60: RGB-PC

Data 90: HDMI/HDMI1

Data 91: HDMI2

Acknowledgement [b][ ][Set ID][ ][OK/NG][Data][x] * Use the feature depending on your model.

03. Aspect Ratio (Command: k c)

To adjust the screen format.

Transmission [k][c][ ][Set ID][ ][Data][Cr]

Data 01: 4:3

09: Just scan

02: 16:9

10: Cinema Zoom1

04: Zoom

 

06: Set by program

1F: Cinema Zoom16

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

04 . Screen Mute (Command: k d) To select screen mute on/off.

Transmission [k][d][ ][Set ID][ ][Data][Cr]

Data 00: Screen mute off (Picture on), Video-out Mute off

Data 01: Screen mute on (Picture off)

Data 10: Video-out Mute on

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

*In case of Video-out Mute on only, TV will display On Screen Display (OSD). But, in case of screen mute on, TV will not display On Screen Display (OSD).

05. Volume Mute (Command: k e) To control volume mute on/off.

You can also adjust mute using the MUTE button on remote control.

Transmission [k][e][ ][Set ID][ ][Data][Cr]

Data 00: Volume mute on (Volume off)

Data 01: Volume mute off (Volume on)

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

06. Volume Control (Command: k f) To adjust volume.

You can also adjust volume with the volume buttons on remote control.

Transmission [k][f][ ][Set ID][ ][Data][Cr]

Data Min: 00 ~ Max: 64 (*transmit by Hexadecimal code) *Refer to ‘Real data mapping’.

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

07. Contrast (Command: k g) To adjust screen contrast.

You can also adjust contrast in the PICTURE menu. Transmission [k][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]

08. Brightness (Command: k h) To adjust screen brightness.

You can also adjust brightness in the PICTURE menu. Transmission [k][h][ ][Set ID][ ][Data][Cr]

Data Min: 00 ~ Max: 64 (*transmit by Hexadecimal code) *Refer to ‘Real data mapping’.

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

09. Color (Command: k i) To adjust screen color.

You can also adjust color in the PICTURE menu. Transmission [k][i][ ][Set ID][ ][Data][Cr]

Data Min: 00 ~ Max: 64 (*transmit by Hexadecimal code) *Refer to ‘Real data mapping’.

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

10. Tint (Command: k j) To adjust screen tint.

You can also adjust tint in the PICTURE menu. Transmission [k][j][ ][Set ID][ ][Data][Cr]

Data Red: 00 ~ Green: 64 (*transmit by Hexadecimal code) *Refer to ‘Real data mapping’.

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

APPENDIX

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LG Electronics 19LD350, 32LD350, 47LD450, 47LD520, 47LD420, 37LD450, 32LD320, 26LD350, 22LD350, 32LD450 125, Set ID OK/NGDatax
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26LD350, 42LD450, 47LD520, 42LD420, 47LD420 specifications

LG Electronics has long been a leader in the television market, and their models 47LD450, 42LD450, 22LD350, 32LD350, and 47LD420 showcase the brand’s commitment to delivering quality and innovation.

The LG LD450 series, particularly the 47LD450 and 42LD450, feature Full HD 1080p resolution, providing crystal-clear images with stunning detail. The LED-backlit technology enhances brightness and contrast, delivering deeper blacks and vibrant colors. These models come equipped with LG's Intelligent Sensor technology, which automatically adjusts picture settings based on ambient light, ensuring optimal viewing conditions whether it’s day or night.

Additionally, both the 47LD450 and 42LD450 support 120Hz refresh rate, which greatly reduces motion blur during fast-moving scenes, making them ideal for watching sports or action-packed movies. The models are also designed with a sleek, modern aesthetic, featuring a slim bezel that enhances the viewer’s immersion in the content.

The 32LD350 and 22LD350 models are perfect for smaller spaces, delivering high-quality performance without compromising on features. Both models boast a 720p resolution, ensuring good picture quality for everyday viewing. The 32LD350 has a larger screen ideal for a bedroom or office, while the 22LD350 is compact enough for kitchens or small rooms.

All these models incorporate LG’s EZ Adjustable Stand, allowing users to easily tilt their screens for the best viewing angle. Furthermore, they come equipped with USB connectivity options, enabling viewers to play their favorite media files directly from flash drives, enhancing the user experience.

The 47LD420 model combines the strengths of its counterparts, featuring a stylish design, alongside 1080p resolution and LED backlighting. With built-in Dolby Digital audio technology, it delivers clear and dynamic sound to complement its stunning visuals.

These televisions also include multiple HDMI ports, providing ample connectivity options for external devices. The combination of design, technology, and functionality evident in the LG Electronics LD450 and LD350 series reflects the company's commitment to creating exceptional viewing experiences. Whether it's gaming, streaming, or watching movies, these models ensure satisfaction and enjoyment for all users.
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