Arturia BeatStep Pro MIDI/Analog Controller and Sequencer Kit with CV/Gate Cables (Black) - Manual (Page 102)

10.6. Sequence window
10.6.1. How to Navigate
10.6.1.1. Scroll
If you have a scroll wheel you can move the piano roll view up and down. Place the cursor
in the piano roll field first, not over the keyboard graphic.
If you hold the Shift key on your computer keyboard the piano roll will move sideways.
You can also click/drag the scroll bars at the edge and bottom of the window to reposition
the sequence view.
10.6.1.2. Zoom
To zoom in and out of the horizontal view, place the cursor in the piano roll field. Then press
Command (Mac) or Control (Windows) and use the scroll wheel to adjust the view.
To zoom in and out of the vertical view, place the cursor over the keyboard graphic first.
Then press Command (Mac) or Control (Windows) and use the scroll wheel to zoom in and
out.
Scroll bar locations
97 Arturia - User Manual BeatStep Pro - MIDI Control Center