Set Attitude Estimation Algorithm

Set the flight mode

Go into Input page > Flight Mode Switch Settings and affect PositionHold to one flight mode position.

When engaged, PositionHold hold current vehicle position using GPS sensor and without stick interaction.

Altitude can be maintained if one VtolPathFollower parameter is set:

Go into UAVOBrowser and find Settings > VtolPathFollowerSettings > ThrustControl set to Auto

Save settings with button.