collision avoidance

Having flown a P2V and a P3A for a while, I was excited to receive a P4 Pro, partly because of its multidirectional anticollision mechanism. However, I didn't get it to work, and would like to know why. After upgrading the aircraft's and controller's firmware, I set it to fly P mode and tested...

Let's say I want to fly just barely over the top of something with my P4. As I approach it, I misjudge the clearance and my landing gear is about to hit the top of the object—will the collision avoidance engage and stop the aircraft? In other words, does the field of view or angle of view of...

I decided to test the return to home feature as I haven't done it since I got the phantom but on its way but I notice I got a message that collision avoidance where disable, is that normal for it to turn it off? I thought it would be the other way round it would turn it on if anything or maybe...

Just saw this on the BBC (UK) news site.. MIT drone knows how to swerve to avoid crashes - BBC News Impressive...