# Model Selection

A SHORT press of the MENU key from the main view brings up the model selection screen.

![](/files/-MRzpH32KUTiLKFkaV_G)

The asterisk (\*) designates the selected model.

The size in bytes is to the right of the model name.

Navigation

* +/- keys: move up/down model storage slots
* LONG ENTER provides: 
  * Select model \*(not active when model selected)
  * Backup model
  * Copy model
  * Move model
  * Delete model \*(not active when model selected)
  * Create Model \*(only active on an empty model slot)
  * Restore Model \*(only active on an empty model slot)
* SHORT ENTER - highlights the line where +/- create a copy of the model in the desired slot.
* SHORT ENTER twice - creates dotted line outline where +/- moves the select model to another slot
* PAGE key enters into currently selected model menus
* LONG PAGE key brings you to Telemetry menu


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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/model_selection.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.