the guide really focuses on GammaDR settings, including a lut to convert out of camera footage to something more gradeable. The NX500 does not shoot GammaDR. Still some valuable info, but it is catered to the NX1. Andrew can correct me if I'm wrong.
OP, I want to say I have seen the green tint issue posted before, but I may be thinking of solid green frames in footage. I have definitely heard of the NX1 doing weird things occasionally. I've had about 4 NX1s and 4 NX500s in the past 5 years and have never come across it.