Try it on low for the first calls, then quiet for a couple of minutes, then on the level needed to reach out in the country you are hunting. Coyotes can hear, don't go too loud, call for 20-30 seconds, wait a minute repeat for 5-10 minutes. Don't overcall, if a dog can hear you and he is interested, he will be there in ten minutes. They can cover some ground in 10 minutes. I will sometimes turn the volume up and down during the call as if the bait is moving around. Try the puppies and the chickens if your area is hunted hard. If you call one in and miss, you will have a hard time fooling him again. Good luck.