OK, good.

The whole reason for this is that it gives you a reference point to start with - hopefully knowing that the gun will regulate correctly.

Once you have this, you can deviate from this load but you
always have a point to return to.

Remember - when working up loads, only change ONE component at a time - ie powder weight, primer, bullet weight.

That way, if and when you get a change in the POI on the target, you will know exactly what the reason for the change is.

Hope that helps.