GTCO MM II 1201 - Users Guide - Manual (Page 54)

MM II 54
Changing Jumpers
Change the jumper caps as you wish.
The jumper caps are black plastic sleeves, open at two ends. To remove a cap, pull straight
up. To attach a cap, push straight down onto the two jumper pins. Both ends of the cap
are the same, so it does not matter which way you attach it.