just:in v2.5 Keyboard Shortcuts

Shortcut	Description
cmd + K	Connect to a channel
cmd + Shift + K	Disconnect from a channel
cmd + S	Split preview area
cmd + J	Join preview area
cmd + R	Start/Stop record
cmd + I	Open/Close Inspector
Spacebar	Open/Close Quick Look
cmd + Option + Shift + N	Show channel name instead of timecode
cmd + Option + Shift + T	Show timecode instead of channel name
cmd + Option + Shift + H	Hide timecode/channel name