Choosing a Zoom Level in the Graphic Editor window You can click one of the Magnifying Glass icons in the Graphic Editor window to choose an appropriate zoom level. Zoom + (zoom in) allows you to see notes in greater detail, but you see fewer bars; Zoom - (zoom out) allows you to see a greater number of bars, but you see notes inless detail. If you hold down the Option key while you zoom in the Piano Roll, you will zoom vertically. See Also: The Graphic Editor Window Zoom In Zoom Out