OR
To see all the options, select at least one marker. To select individual markers, drag the mouse to trace a marquee around them.
The minimal display size for a marker is 1px.
Selected markers are displayed within a semi-transparent sphere.
Selected markers are displayed within a semi-transparent sphere.
Press the Delete key or use the Remove button in the Edit Markers panel. You can't undo this action.
See Using Markers (2D) in the standard window.