them all at once. Note that if you highlight another note but don’t add it
to the selection, adjustments made with encoders will apply to the
highlighted note as well.
To quickly select all notes, press the Select All upper display button. To
deselect all notes, press the Deselect All button.
To delete highlighted or selected notes, press the Delete button.
The Delete Button.
9.3.2 Editing Notes in a Step Sequencer
You can also edit notes while using a step sequencer layout in Clip
View. When you press and hold one or more steps, the display will
zoom in to the part of the clip that contains the selected steps, and
show the individual step parameters that can be edited. Notes
contained within the selection will be highlighted.