M7 TO 8

Shortcut key: Trim Backward

Maintaining the original quality of source material means you’ll have more options later.

Shortcut key: Extend

Not maintaining the original quality of source material means you’ll have more options later.

Shortcut key: Add Edit

Shortcut key: Ripple delete

Preference you set these when you create a new sequence and deal with the type of media you will be using.

The complex rule of thumb when selecting a project and sequence setting is to match the setting to your source material and not to the final output.

Shortcut key: Add edit to all tracks

Appearance sets the interface brightness.