> For the complete documentation index, see [llms.txt](https://stage.twelite.info/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://stage.twelite.info/eng/usage/screens/main_menu.md).

# main menu

`Windows` `macOS` `Linux` `RasPi`

This is the top level of the hierarchical menu.

![Screen Example](/files/exkyiSsrF4g03aIYuOPm)

On this screen, you can make various menu selections. When the menu is inverted, a simple explanation is displayed in the green text area at the bottom.

* [viewer](/eng/usage/screens/main_menu/viewer.md) : A viewer that interprets and displays messages from the TWELITE radio module. In most cases, App\_Wings is used for the receiving side.
* [app\_rewrite](/eng/usage/screens/main_menu/firm_prog.md) : builds and writes firmware to the connected TWELITE radio module.
* Interactive settings mode (interactive.md): to set the connected TWELITE radio module to interactive settings mode.
* [TWELITE STAGE settings](/eng/usage/screens/main_menu/settings.md) : Configure various settings for the TWELITE STAGE application.
* [Serial port selection](/eng/usage/screens/main_menu/select_serial_port.md) : Displays a menu to select a serial port.
* Description : Menu to display the description. Open the following instructions in your browser.
  * TWELITE STAGE application (this document)
  * MWX library
  * TWENET\_C library


---

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