Zoom Category

Option

Key command

Zoom Full

Shift-F

Zoom In

H

Zoom In On Waveform Vertically

Alt/Opt-H

Zoom In Tracks

Ctrl/Cmd-Down Arrow

Zoom In Vertically

Shift-H

Zoom Out

G

Zoom Out Of Waveform Vertically

Alt/Opt-G

Zoom Out Tracks

Ctrl/Cmd-Up Arrow

Zoom Out Vertically

Shift-G

Zoom to Event

Shift-E

Zoom to Selection

Alt/Opt-S

Zoom Tracks Exclusive

Z