He also said to set 1,2,3,4 so only 1 showed up on the phone. then hold/save
E.g 1,2,3,4 initially appeared, I'm sure I hit digit 1 and then only 1 appeared, the ,2,3,4 disapeared. hold/save
I don't remember much else.
CO ring
CO groups or something are familiar.
loop
range