When the configured Spring key is being held down, the number of selected repeats is displayed in the charge box and will build up.

Similarly the on-screen display (OSD), the symbols will change, in order, indicating the number of repeats currently selected:
(➿)x ∞    (➿)x1    (➿)x2    (➿)x    …    (➿)x ∞
The Spring key can be released in order to select the number of repeats.
Press Space to continue or Escape to exit the tutorial.