Final answer:
When you turn the Manual Gear Extension Handle, three things occur: engagement of gear extensions, alteration of gear ratio, and the ability to disengage or lock gears.
Step-by-step explanation:
When you turn the Manual Gear Extension Handle, three things occur:
- The manual gear extensions are engaged, allowing the gears to interact and change positions.
- The gear ratio is altered, which affects the output speed and torque of the system.
- The manual gear extensions can also disengage or lock the gears, preventing any further changes in the gear ratio.