Dish DuoDVR ViP 722k 사용자 설명서

Why didn’t a lock I set take effect? You have to lock the receiver for any lock you set 
to take effect. See page 45 for details.

Why don’t the locks I set for TV2 work? The locks you set on TV2 are not available 
in Single Mode.

What do I do if I forget my password? If you forget your password, you will need to 
speak with a Customer Service Representative.