Then press a key for that transition, to create the connection. Valid characters for transitions are upper and lower case letters, and digits. Pressing any other key will cancel the connection operation. A valid machine must have a start state which can be designated when in Start mode. Toggle mode changes the acceptance status of states.
All states are initially non-accepting.
States can be repositioned by dragging them with the mouse when in Move mode. Delete mode can be used to remove states or connections. The current mode can be changed by selecting from the toolbar, or by pressing the first letter of the mode name, when in the main window. The green panner widget can be used to scroll around the virtual workspace in which the machine may be contructed. So, only a couple of entries from the search space are chosen, at random.