distance

I'm confused. I admit to being a newbie, but still.... While patiently awaiting the Typhoon H, I'm checking claims and counter claims of both DJI & Yuneec. On the one hand I've read the maximum distance you can legally fly is "line of sight", which I assume means you have to have the aircraft in...

I'm having trouble with the live view on my controller not showing (or updating) what the camera is displaying. It can take up to a minute to refresh the screen. Similarly, the Typhoon sometimes is slow to do what my transceiver is telling it to do. I don't know where to go to figure these two...