flushing: either before or after use, press the pedal 1/2 down to allow water to enter the toilet, the more you let in before you press fully to flush, the less likely the 'pyramid' will happen. more water equals less problems - gravity and water are what it needs.
tvs: have 5 tvs in my 33.3 and have no issues with any type of cable, digital cable, satellite, or antenna reception... can you elaborate on exactly what the issue is?
travel, and enjoy : )
two Campers, two Electric cars
former diesel pusher traveler