Originally Posted by Vic47

i think that happens only on the last rolls in the room, where you can't get Trophy Chance or a Boss Fight because you always get a Choice of Fate after this last roll. So the Radar auto-disables for the last roll in the room to let a normal roll to be performed to trigger Choice of Fate afterwards.

Not always. A few times I got a regular spin of junk. When that happens, you are not penalized. Your radar count stays the same.