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1. Sign in

When you open the app the welcome screen appears: on the left what the app is, on the right what you can do. Until you sign in the window cannot be closed —not with Esc, not by clicking outside, not with the cross— and the right panel shows the sign-in form. Three chained forms:
1

Create account

Name, email and repeated password.
2

Sign in

Email and password.
3

Recover password

Just the email. It always answers the same, whether the account exists or not.
Your session is remembered, so next time you open the app you go straight in.

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2. Pick where to start

Once signed in, the right panel offers four cards: You can also close the welcome screen and go to the editor as it is.

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3. Draw the signal

  1. The timeline starts with two channels and 16 steps (the default, adjustable in Settings).
  2. Click a cell to set it high or low.
  3. Drag to select a stretch; Shift + click extends the selection.
  4. With a selection made, the bottom bar enables Copy, Cut, Paste, Label, Delete, Insert, Toggle, Invert, Division and Offset.
  5. + and − add and remove steps. Z fits the zoom to the screen.
Full detail in Digital editing.

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4. Organize the channels

The Channels button in the header opens the organizer: up to 16 channels, of which the timeline draws 4 at a time. There you reorder them by dragging, change their color, hide, duplicate and delete them. See Channels.

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5. Take the signal out

The Export button in the menu, or the G key.
  1. Choose the file name.
  2. In analog, the resolution: 8, 10, 12 or 16 bits.
  3. Optionally include the hidden channels.
  4. Optionally add metadata: voltage, step time (µs) and cycles (RPM). Every field is optional.
A .txt is downloaded. See Export the project.

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Shortcuts worth knowing from day one

The whole list is in Keyboard shortcuts.