I've just built f450. I am using turnigy tgy i6 with naza m v2. I'm trying to set failsafe. When plugged into naza assistant and using 3 pos switch for manual attitude and GPS modes. If I am in GPS mode and I turn off transmitter should the blue highlighted go to failsafe. BTW I do have it turned on on the remote. Also what should I set channel 3 and channel 5 to for %. Please help.