Akai MPC TOUCH User Manual page 202

Samples
Each pad can trigger up to four samples, which are assigned in four individual layers. Each layer has
identical, independently assignable parameters.
Tap the Samples button to cycle through its four available sections.
The first Samples tab for a drum program.
Use the Sample field to select the sample file for that layer. Remember that the sample has to be loaded
into the project's sample pool beforehand. For information on how to load samples into a project, please
see the Browser chapter.
Semi lets you transpose the selected layer 12 up to semitones up or down.
Fine provides fine-tuning of each layer by fractions of a semitone.
Level lets you adjust the each layer's volume, letting you control the "balance" of the samples assigned
to the pad.
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