nordictrack hrm help!

MrsMohawk

I bought a heart rate monitor and I don't know what settings i should use. I did my age and weight and basicly what the directions say but it seems high and I just don't know if i have the AHR setting right , Do I put it at 120 or 30... There are other settings i'm not sure what they are for heart rate recovery is set at 200 and 30 . heart zone is set at 240 and 30.

Im so confused.. lol