Richard
If you want to reverse the switch, go to SYS, H/W SET, H/W REVERSE. Select SE and change from NORM to REV.
Back on the LINKAGE, THR CUT menu, note that when activated, the throttle (shown by dark arrow on left) jumps to the cut position ('<' on right), so you have to have the '<' set lower than the dark arrow using the POS %.
Hope this helps.
-Ron