I do not completely understanding what this button (altitude hold "B") does. It kinda holds the altitude, but not really. Can someone explain?
1. When it is not active my altitude varies (becomes unstable). And when I activate the altitude stabilises. But if I move my collective a bit more, the altitude changes, even though the button is ON. How does it hold the altitude? I don't understand.
2. What's the reason for it activating when I press hover hold, but not de-activating, when I deactivate the hover? The altitude hold is still on? Why? Why doesnt the de-activation of hover give me back my altitude control?