By TOM BOWSER
Enable Commands keyboard Focus:
- Enable "Commands keyboard Focus" by clicking on the a/z button in the upper right corner of the Pro Tools Edit window.
Press and hold down the Ctrl + Alt keys:
- press the [ (left bracket) key to Zoom out vertically
- press the ] (right bracket) key to Zoom in vertically
- r key on your keyboard to Zoom out horizontally
- t key to Zoom in horizontally