Arturia KEYLAB MK3 - Scale; Using Scale Mode

2.13. Scale
The Scale function helps you stay in the right key and tonality when playing.
Scale works by simply redirecting those notes that don't belong to the scale you have
selected. As a result, every note you play on the KeyLab mk3 will "sound right".
You activate Scale mode by pressing the Scale button. Whichever scale and key was last
selected will now be activated.
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♪ The Scale chosen will be remembered even after powering KeyLab mk3 off and on again.
2.13.1. Using Scale Mode
When you activate Scale by hitting the Scale key, the screen will confirm by saying Scale
Mode ON and the Scale button will light up.
You get into Scale edit mode by long-pressing the Scale button.
19 Arturia - User Manual KeyLab mk3 - Overview