many people have ask that same question on this board and without being there to see your set up,calling,and exactly how your doing it,its diffecult to say what your doing wrong.believe it or not you may not being doing anything wrong,are the predators in your area educated?? if they are this makes for tough calling.some guys leave it on others turn it on and off,its a matter of personal preference.myself,i scan the area then turn it off and remain motionless and listen.if i hear somthing i will turn it on,if i don't i will turn it on and rescan the area.is your light to bright?? do you have a red lens over the front??sometimes with snow cover its difficult to stay hidden,the predators can see very well on these types of night.full moon and snow cover i stay home,its just like daylight to a predator and day light hunting fox is not real productive.generaly speaking the darker the night the better.hows your calling?? does it sound real?? are you using to much volume?? like i said earlyer,without being there these kind of questions can go on and on.give us some more detail on your set up,what animal your targeting fox(grays or reds)or coyote.ask your self questions like how i,m i getting to the stand,walking,four wheeler,truck.i'm i making to much noise going to the stand. i'm i skylined while on stand.can a approching predator see my truck before he gets to me. does my camo work with my surroundings.its the little details like these that can ruin a hunt before it starts.details,give us some and maybe folks here can figure out whats going on.