Zoom and pan the diagram
The zoom slider is located at the bottom right corner of the editor. You can use it to view details on the diagram or when you need more accuracy when placing apparatus.
Click on the zoom values to jump to specific zoom values quickly or reset back to the 100% zoom level.
To pan, select the Pan tool or press "2" or "P" on your keyboard. To go back to the default tool, select the Select & Move items tool or press "1" or "V" on your keyboard, or press the Escape key.