Glock, you've got the basic idea already; what you DON'T want to do is start at 20 yards unless you like losing your arrows.
Originally Posted by CDR_Glock
Mount your scope
shoot at 5 yards and adjust
shoot at 10 yards and adjust
shoot at 15 yards and adjust
decide where you want your 1st aimpoint [crosshair] to be [usually 20-30 yards]
shoot at 20 yards and adjust. If this will be your 1st aimpoint, continue to zero; if not, zero where you like.
Excalibur Micro 335 camo
Middleton DTM 375SS black
Man Kung  MK-150A3B
AMS jug reel on a Man Kung MK-180 forcefeeder
Wham-O Powermaster [retired]
Jack Pine Flemish twist crossbow strings, "The Rembrandt of crossbow strings."