Click on Record to start playback in Record mode.
Pressing the enter key is the same as clicking Record.

Click on "Go to End" button to move to the end of the Cue Sheet.

Click on Fast Forward to move forward through the Cue Sheet.
Pressing the right arrow key is the same as clicking Fast Forward.

Click on Play to play the Cue Sheet.
Pressing the space bar is the same as clicking Play.

Click on Pause to pause or resume Cue Sheet Playback.
Pressing the return key is the same as clicking Pause.

Click on Stop to stop Cue Sheet Playback.  
Pressing the space bar is the same as clicking Stop.

Click on Rewind to move backwards through the Cue Sheet.
Pressing the left arrow key is the same as clicking Rewind.

Click on the "Go to Beginning" button to go to the beginning of the Cue Sheet.