TBS Discovery with Pixracer 2.8.4 altitude hold problem

Hi Guys,

I have a big problem with my TBS Discovery DIY builded drone. It is based on Pixhawk 2.4.8 FC, 920kv motors, and 4s 4k mAh battery, with 9540 props, and Mission Planner as Ground Control Station.

Problem concerns altitude hold mode and hold po

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