Probability Meter can be used with any trading style. It must be adapted (settings) by each traders with their own trading style/risk.
There's 2 ways to use it:
1. Like a confirmation: when your setup show your signal, look the numbers on the probability meter (not only % but all numbers) and decide if it's time to go. With experience, you'll find the best numbers you're comfortable with.
2. Standalone: combination of 3 timeframes (method provided in .pdf with the probability meter).
Hope that helps.
FerruFx
PS: if you want to discuss the Probability Meter, please post in the right thread. This one is for Heart of Forex. Thanks.