Tennis Tutor Model 2 Manual Extra Quality

This is often misused. The manual clarifies:

The hopper feeds balls into the throwing wheel mechanism. Slide the hopper into its mounting bracket until you hear a click. Rotate it fully forward; it should hold approximately 125-150 balls (standard pressureless or regular duty balls are recommended—avoid extra-duty felt). tennis tutor model 2 manual

The Model 2 uses a physical control panel rather than a digital screen, which many users find more reliable over time. Controls how fast the ball is fired. Feed Knob: Adjusts the frequency of the balls. This is often misused

The manual suggests a simple "3-step clear": tennis tutor model 2 manual