Arturia KeyStep Pro Keyboard with Advanced Sequencer and Arpeggiator - Manual (Page 106)

5.4.3.6. Drum Step-Edit Mode
Step-Editing a Drum Pattern
One important function of the step buttons is to activate or deactivate each step in the
Pattern. When a step button is lit, a note will play at the velocity you played on the key or
set using the Velocity encoder and will keep playing for as long as you want it to (the Gate
time). To silence a Drum event, simply press its step button to deactivate it.
Extending a Drum Pattern
To set a new length for the Drum Pattern hold down Lst Step and press either the 32 button
(page 2), the 48 button (page 3) or the 64 button (page 4). To select a page just press its
button.
To extend a Drum Pattern, hold 'Shift' and press a Page button. If, for example, your Pattern
is 16 steps long and you hold 'Shift' and press 32, the first 16 steps will be copied to the
second 16 steps (16 to 32).
To summarize: to set a new pattern length, use Lst Step + Page button; to Extend a pattern,
use 'Shift' + Page button.
When working with Drum patterns longer than 16 steps, there is an important feature you
need to know. To follow the sequence through the other page(s), hold down 'Shift' and press
Lst Step/Follow. This toggles the KeyStep Pro in/out of Pattern Follow mode.
When Pattern Follow mode is active during playback, the buttons of the current page and
the current step light up to indicate the current position in sequence: first the 16 button (page
1: steps 1-16), then the 32 button (page 2: steps 17-32), then the 48 button (page 3: steps
33-48), then the 64 button (page 4: steps 49-64), then back to the beginning and so on.
When Pattern Follow mode is active, the Lst Step button is lit.

♪ : It is possible to extend a Pattern that is shorter than the maximum length of 64 steps by copying
and pasting existing data beyond its last step (see above).

♪ : The playback of the Pattern itself is not affected when Pattern Follow mode is disabled. This only
affects what you are seeing, which should make it easier to edit particular sections of the Pattern.

♪ : There's a helpful button colour scheme behind the Sequence Extend system. If, for example, your
Drum Pattern is playing in page 2, the 32 button will light up in green. (If you were on Track 2, it would
light up in orange).
100 Arturia - User Manual Keystep Pro - Making Tracks