If you run from the TV2 out in Dual Mode, you will get and can control all the same channels EXCEPT OTA Hd channels. If TV1 is set for Single Mode, TV2 will just mirror what is on TV1.
If you run from the TV2 out in Dual Mode, you will get and can control all the same channels EXCEPT OTA Hd channels. If TV1 is set for Single Mode, TV2 will just mirror what is on TV1.
Note that allthou you cannot control TV1 with a TV2 remote in Dual mode, you can tune to TV1 from your tv2 if you enable TV1 out on the modulator setup (menu 6-1-5).