Slot Rack
The Slot Rack has 16 slots. Each slot can hold a program, that is, you can work with 16 programs at the same time.
Each slot has a Mute button and a Solo button. You can mute and solo several programs at the same time. The slot number to the left of the slot lights up if incoming MIDI data is detected.
Once a program is loaded in the Slot Rack, it can be played and edited.