When the shutter speed, aperture and distance are set, cock the shutter by pulling down the shutter cocking lever in the direction of the arrow, and release the shutter with the shutter release button.
Attention : Do not change the shutter speed setting when the shutter is already cocked, otherwise the shutter mechanism will be wecked.

When you wind the film to the next frame, look through the film counting window, and at the same time, turn the film wind knob.