At first, I was really scared of the GRID concept of the MCL - but In fact, it is really easy to use and helps to unleash the full potential of this fantastic box.
Basically the full data of an entire mkII (non +Drive) unit can be stored in ONE single project.
Who still needs a +Drive?
For more basic information, please check Tutorial 01:
• Mega Command Live (MCL) TUTORIAL 01 - Basi...
0:00 Intro
0:27 The GRID Concept
1:32 How Does it Work on MCL and MD?
2:40 Saving a Kit / a Pattern
6:46 Loading a Kit / a Pattern