**💎  **The features described in this chapter are licensed features. Please refer to [Activate TAO Cloud Benefits](https://www.yuque.com/rgblink-kb/rlueug/vg2nb6zdh9ylbe45) to unlock them before use.  

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supports chroma keying, allowing solid-color backgrounds to be removed and composited with other video sources for virtual scenes and similar applications.

Chroma key parameters can be configured through the desktop control software for advanced adjustments or directly on the device for quick setup.

#### Enable Chroma Key
1.  Press the [M] button to return to the main menu. 
2.  Tap the [KEY] icon to enter the chroma key settings page. 

![](https://rgblinkw3media9490.blob.core.windows.net/product-images/online-document-images/mini-v3/yuque-1779181175192-a904f565.png)

3.  Select On or Off. 

![](https://rgblinkw3media9490.blob.core.windows.net/product-images/online-document-images/mini-v3/yuque-1779181174596-b9009f7b.png)

#### Adjust Chroma Key Parameters
1.  The default chroma key color is green (green screen). Different color options can be selected on the touchscreen. 
2.  Tap the [-] or [+] buttons to fine-tune the chroma key parameters. 

Default parameter values:

-  Max Limit: 1232 
-  Min Limit: 560 
-  Margin: 602 

![](https://rgblinkw3media9490.blob.core.windows.net/product-images/online-document-images/mini-v3/yuque-1779181174590-8d877b25.png)

![](https://rgblinkw3media9490.blob.core.windows.net/product-images/online-document-images/mini-v3/yuque-1779181176502-c498fb90.png)

#### Adjust the Layout
Tap [ Adjust] to enter the layout settings page.

On this page:

-  Tap [A/B] to select the main screen or PiP screen 
-  Press [1], [2], [3], or [4] on the main panel to switch input sources 

Default configuration:

-  PiP screen: Input [4] 
-  Main screen: Input [1] 

Input sources can be changed based on actual requirements.

Use the X/Y knobs on the main panel to adjust the screen size and position.

All changes are saved automatically to the current scene in real time.

![](https://rgblinkw3media9490.blob.core.windows.net/product-images/online-document-images/mini-v3/yuque-1779181174870-29310c7d.png)

#### Save Chroma Key Settings
Chroma key settings can be saved directly on the device.

The next time chroma key is enabled through:

-  Desktop control software 
-  The device itself 

the previously saved parameter settings can be recalled automatically.