# SD Browser

A SHORT press of the PAGE key brings up the SD card browser page:

![](/files/-MRzpGho1GAS-FzGaWx7)

This allows you to browse the SD card contents. On each file or folder, pressing ENTER will bring up a contextual menu with some basic file operations (copy/delete), as well as others depending on the file type.

See the [SD Card](/manual-for-opentx-2-2/sdcard.md) for more details on the conents of the sdcard.

The microSD card can be formatted by selecting the relevant option in the menu that appears when pressing MENU LONG. A confirmation will be required.


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://doc.open-tx.org/manual-for-opentx-2-2/software-overview/radio_menus/radio_sd_browser.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.