CK , I can answer your questions for you on the scale , just use the following system
1)receive the free scale accesories in mail
2)Take out two blank address labels , cover the return address area and the {TO } address area
3)Write this address on both blank lables (LDM Industrys for Wayward single attractive trailer park women po box 123 Staulker Lane , Denver Pa )
4) As soon as I receive them I will place them on my plane determine the scale and send you a photo to prove my math is correct because I stayed at a Holiday in last night