1. The response select, when transmitting setup is adjusted (MOD) TYP = FH3 (FHSS-3)
(M11X : SHR) + (RX-451R) = SSR : Sanwa Super Response Modus
(M11X : NOR) + (RX-451R) = SHR : Sanwa High Response Modus
(M11X : SHR) + (RX-451) = SHR : Sanwa High Response Modus
(M11X : NOR) + (RX-451) = NOR : Normal Response Mous