Complex sentence: The operators used a joystick to align a pointer with the target and then pushed a button to update the location, the circuitry then adjusted the rate of predicted movement of the blip and displayed a pointer that moved over time.
Split into simpler sentences: The operators used a joystick to align a pointer with the target and then pushed a button to update the location. The circuitry then adjusted the rate of predicted movement of the blip and displayed a pointer that moved over time.