i am new to this so any help will be appreciated... I have a PVR 501 dishnetwork reciever and a dish network dish.. i am under the impression there is a way to unlock all the channels by making it possible to change the keys on the reciever thus eleminating my need for my cable compan.. i have no idea where to start or where to look for this information... if anyone can let me know if this is possible and how to do it i would be very thankful...