Selecting any keyboard key will temporarily transpose the entire pattern until the key selection is changed.
With this function, the low C key represents the neutral setting, meaning the notes played will be exactly those contained in the pattern.
Pressing a key other than the low C key will transpose each step in the pattern by the number of half-steps that separate the chosen key from low C.
For example, pressing [G] will transpose the entire pattern up by seven half-steps.