you got 2 option , first : when you switch dish got a promotion for a free instalation free dish if you qualify, most promotion are almost the same so the second option it's just to let you know if you want to use the oval dish from
dtv just open the lnb cover take the switch 4x4 out it will not work for 110 119 from dish and leave only lnb use instead sw21 dont use the 101 lnb.