IF you are talking about running a cable from your HR20 to another tv, you would need to purchase a modulator and plug it into the HR20 as it is live and purchase a modulator such as the CP-3015 made by Channel Plus you can purchase atjpetrol251 said:i just drove 2 hours to find a hd20. after swapping out an old reg. box i see you cant intergrate your cable feed like my old hd mits box. will i have to run 4 lines from the at9? thanks
martek.com for about $54.00...as this will work with the HR20, I was told....