my recever is viewset extrem and when i download new file after this file when i change cjhanel bev and that chenal was freezing and i cant opret recever and i have to trun off form back then it was eorking y happend this bev is not working or not and for echo 7 8 10 said no signel might be my switch not good but pls give me answer for bev is working or noit with new file tx