Hello, I have a Futaba 7C with only one 3 way switch, and I'm using it to swtich the Manual, Att & GPS Att. Now I wanted to use the IOC's Off, Home lock & Course lock, and my radio doesn't have any extra 3 way switch anymore. Is there a way I can do combination switches to make this work? Or I'm stuck with just Off-Home lock, or Off-Course lock. Please advise. Thank you in advance.