tv
i will tell you what i know --- first off, yes there are sytems that you can buy - straps and what not, to hold the tv in place while you are travelling - check your rv dealer or camping world --- although i know some people just take the tv out, wrap it in a blanket or something and put it in the shower - someplace safe.
channels -- i don't know if you have an antenna or not, but if there is a crank on the ceiling of your trailer that operates the antenna, there should also be a booster connection --- usually a little round black button on the same plate as the cable for the TV --- check all your jacks but should be hooked up to the main on.
hope that helps!
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