Pixhawk 2 and Lidar Lite v3 help

Oh, I’ve got the Lidar Lite working now.
Just trying to figure out what serial port GPS2 is.

I’m blending GPS1 and GPS2

I’ve also got a throttle below failsafe error…

Hi Graham, did you found the reason of here gps turning off?

no, not yet, sorry
I’ve figured out several other problems. I’ll keep trying