New Balance Pearl HRM help

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Does anyone have a New Balance Pearl HRM? I just bought it and am trying to figure out how to see the amount of calories burned. I fiddled with it last night and I saw a screen w/ kCal but I don't think it was right because it didn't change after I found it. Can anyone help! Apparently I'm no good at reading directions b/c it was hard to figure out how to put my person information in it!