Need to turn on 'booster' for the amplified antenna head
Need to 'aim' the head of antenna towards the TV Transponder Towers
(look at other campers antennas, get a signal finder, or use a TV Signal website----
Antenna Web were you can drag pointer to location in CG)
Select 'Air' or 'Antenna' on TV input
Scan for available channels
Have to do this everytime you move RV
Your 2010 Dutchmen trailer should have an amplified antenna and a digital TV.
So aim, scan
After checking coax cable connections on antenna, roof input, booster and TV