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Two different things, side by side in the header: how many steps the project has, and how big you see them.

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Step count

Steps: [−] [16] [+] [🔒] A new project starts with 16. You change it in General Settings (Initial number of steps), and each mode keeps its own.

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Other ways to add steps

  • Dragging with the right button past the end of the signal: the missing steps are created up to where you release.
  • Pasting or inserting a template longer than what is there.
If the right drag creates steps by accident, turn it off in General Settings → Right drag creates pulses. With “No”, that drag only moves the view.

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The padlock

Close the padlock once the signal length is settled and you do not want to stretch it by accident. With it on:
  • You cannot delete or insert steps.
  • You cannot insert or unfold templates.
  • The right drag does not create steps.
The buttons tell you why: “Unlock the step count to delete or insert steps”.

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Fit (analog only)

The Fit button in the header trims the empty steps on both sides and leaves only the signal on screen. It exists only in analog because a digital signal is worth something at every step —low, if you did not touch it— while the analog one exists only between its first point and its last. Do not confuse it with Fit zoom, which does not touch the step count.

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Zoom

[Fit] [−] [px per step] [+]
Z is the shortcut you will use most. After adding a hundred steps or pasting a long signal, it gives you the full view back in one keystroke.

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Moving around the signal

  • Mouse wheel and the scroll bar.
  • Right-button drag over the timeline.
  • If you drag a selection to the edge of the screen, the view follows on its own, faster the closer to the edge you are.