> For the complete documentation index, see [llms.txt](https://axongenesis.gitbook.io/timeflow/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://axongenesis.gitbook.io/timeflow/user-guide/menus-and-shortcuts/preferences/input.md).

# Input

Global settings for Timeflow

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## **Punch Zoom**

This determines how much to zoom in to the timeline when toggling between close-up and full duration using the keyboard shortcut **;** (semicolon). This is covered further in [Zoom and Scroll](/timeflow/user-guide/timeflow-view/time-navigation.md).

## Scroll Time Without Alt Key

Enable this option if you wish to zoom the timeline in the Timeflow view using only the mouse scroll wheel (without having to hold the Alt key).

## Scroll Time Centered On Mouse

Enable this option to scroll time (using the mouse scroll wheel) centered on the cursor position. Otherwise if disabled, zooming is centered on the current time, where the playhead is located.&#x20;