Source DishNetwork 2 Tuner multiroom Signal is piped through Coax SetupA: Dish receiver set to send tuner @ Air Channel 60. Coax connected to Ant input. Remote set to select Ant. TV fails to atuo Tune and when expressly tuned to Ch 60, TV shows 'No Signal'. SetupB: Dish receiver set to send tuner @t Cable Channel 75. Coax connected to Cable input. Remote set to select cable. TV fails to atuo Tune and when expressly tuned to C75, TV shows 'No Signal'. Now the zinger: If...