Default Setting H-Pilot Channel - Set either damping or hold mode as default if H-Pilot is not used.

Option H-Channel - Sets the H-Pilot's option availability.

Stick Option - Options for H-Pilot HOLD mode.

Fixed Height - Autopilot will function against stick  action. 

Climb Rate - Allows hover point out of stick center.

Spring Centre - Climb or descent will halt on stick release.

Sink - Stop - Similar to Spring Center with the addition of descent speed reduction when altitude is below 2m.

Sensor Option / Air Pressure Reaction - Defines air pressure reaction speed.

Attitude Gain (Sensitivity) - Defines altitude gain sensitivity.

Holding Range - Defines the altitude interval inside of which a given altitude will be maintained or re-gained after altitude deviations are caused by  wind gusts.

Dynamic Energy Compensation - Anticipates the required collective pitch changes to avoid diving or ballooning up when accelerating or decelerating against the airflow.