poi problem

I just bought another H , maiden voyage I'm trying out the POI , and no sooner as I get it up and running (this also happened in manual flight to) I get a warning ' Land immediately re-calibrate compass" this happened a few times, and on the last flight it also said "collision avoidance...

Hi guys...my firmware updates went flawlessly except for having to rebind the ST16 to the H. And, my Compass and Accelerometer updates this morning went fine as well. After a minute or so of hover just to make sure everything was good, I took her up and around to check out normal procedures and...