ANT 1/2 is part of KAT2, not the 160 module. The RANT setting is burried in the menus. I know this is no help, but if ANT 1/2 used to work, then you'd better have a KAT2 in there! Dan / WG4S / K2 #2456 <snip>Also when I select ANT 1/2 it tells me "not inst" but I do have the 160 module installed.</snip>