Playing individual Loop Slices Besides playing back entire REX Loops using the Run function (or Play in the sequencer), it’s also possible to play individual slices of a loop from a MIDI master keyboard. This way you can use the Dr. Octo Rex almost like a traditional sampler, playing separate slices from separate keys. The slices are automatically distributed in semitone steps, with the first slice on MIDI note C1, the second slice on C#1 and so on, with one note for each slice. The note range differs depending on how many slices the REX Loop contains. Define which REX Loop to control from the MIDI master keyboard by selecting the desired Loop Slot with the Note To Slot knob: The range is 1-8 corresponding to Loop Slots 1-8. Selected Slot is indicated with a lit LED.
