Craig goes over all the looper modes and functions in VoiceLive 3, to give you a better idea of how the whole thing works.
This video was created with a BETA firmware version that offers massive improvements to looper timing and adds some new features too. If you're interested in trying the BETA, please read this forum post:
http://support.tc-helicon.com/entries/58455837-VoiceLive-3-Looper-Update-BETA-Firmware-Available-to-Test