# The Toolbar

The toolbar is a convenient way to access commonly used functions which you can also access via the main menu or keyboard shortcuts.

- These buttons allow you to change the origin on the data tracks between a positive only scale and a positive and negative scale.
- These buttons allow you to change the data tracks between showing just reads, just probes or both reads and probes
- These buttons allow you to change the density with which reads are packed into the chromosome view
- These buttons allow you to change whether forward and reverse reads are packed together or separately in the chromosome view
- These buttons allow you to change the list of genome annotation and data tracks which are displayed in the chromosome view
- This lets you change the data zoom level
- These buttons bring up either the Find Feature, or Goto Position search tools