Zoom in Full: click to maximize the horizontal magnification to 24:1.

Zoom Normal: click to change the horizontal zoom ratio to the value specified on the Display tab of the Preferences dialog.

Zoom Selection: click to maximize the selected area in the data window.

Custom Zoom 1: click to change the horizontal zoom ratio to the value specified on the Display tab of the Preferences dialog.

Custom Zoom 2: click to change the horizontal zoom ratio to the value specified on the Display tab of the Preferences dialog.

Mark In: click to set the beginning of the loop region at the current cursor position.

Mark Out: click to set the end of the loop region at the current cursor position.

Go To: click to display the Go To dialog.

Center Cursor: click to adjust the display so that the cursor appears in the center of the data window.

Cursor to Selection Start: click to move the cursor to the start of the current selection.

Cursor to Selection End: click to move the cursor to the end of the current selection.

Center Sustaining Start: click to center the beginning of a sustaining loop in the data window.

Center Sustaining End: click to center the end of a
sustaining loop in the data window.

Center Release Start: click to center the beginning of a release loop in the data window.

Center Release End: click to center the end of a release loop in the data window.

Double Selection: click to double the current selection.

Halve Selection: click to reduce the current selection by half.

Shift Selection Left: click to move the current selection left by the length of the selection.

Shift Selection Right: click to move the current selection right by the length of the selection.

Tempo: the box at the right edge of the toolbar displays the tempo of the current selection as if the selection represents a complete measure.