1) yes; 2) not necessary

notes for 2):

First you need to have a receiver to receive dish signal, do you have it?  If yes, you are able to use it, because the signal from TV42 or TV44 is merged to your dish cable which leads to your receiver.  From receiver perspective nothing is changed.

所有跟帖： 

• Even if you terminated dish service, you can still receive OA si -internuts- ♂ (0 bytes) () 10/16/2011 postreply 19:15:31

• 如果没服务，DVR就不work了，可能得把cable直接接到电视上吧 -sandanke- ♂ (0 bytes) () 10/16/2011 postreply 19:56:00

• you will need a receiver if you dvr cant work -internuts- ♂ (499 bytes) () 10/16/2011 postreply 21:40:30

• THAT'S AN INTERESTING THING! - -sandanke- ♂ (165 bytes) () 10/18/2011 postreply 20:41:11

• Thank you! That sounds really nice!我有dish，合同没到期，但看来可以把local给canc -sandanke- ♂ (0 bytes) () 10/16/2011 postreply 19:54:31