On the bottom of page 58 of the manual, you will see that for the purposes of the master channel, the Aux Trim is called LTRM and the Flap Trim is called RTRM. Just like the 9303.
So, you do a Rudder to Aux 3 mix for NW steering and a LTRM to Aux 3 mix for trim. Set both mixes to be activated by whatever switch you use for gear such that they are active gear down and off gear up.
Last edited by Thud_Driver; 06-13-2015 at 05:15 PM.