单选切换按钮只能通过点击其中一个选项来改变值。
对于 LMMS 中的大部分参数，您都可以通过按住 `Ctrl` 并将其拖拽到自动化轨道中来实现自动化控制。
以下是一些便捷的快捷键，可以避免右键菜单的麻烦：
* 双击参数可以编辑它的值。
* 中键（滚轮键）单击可以重置它的值为默认。
* 按住 `Shift` 并拖拽一个旋钮到另一个旋钮上，可以把旋钮的值复制过去。
* 按住 `Ctrl` 并在旋钮上滑动可以微调旋钮的值（变化会变得微小，滚动速度也会更慢）。
* 按住 `Shift` 并在旋钮上滑动可以粗调旋钮的值（变化会变得更大，滚动速度也会更快）。
---
# 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://docs.lmms.io/user-manual/jian-ti-zhong-wen/shu-xi-lmms/jie-mian-jian-shu.md?ask=
```
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.
