Showing and hiding layers with dials and sliders

I'm experimenting with showing layers (or changing states) in connection with a dial or slider. I have the trigger set up to show the layer (or change state) for example when the dial is between 1 and 3. The issue is the layer stays on the screen even if the dial is moved to another number, say 4-6. Do I also have to include triggers to hide the layer if the number is not 1-3?

Thanks! 

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