Hi - I'm in Nelson and every couple of weeks I get a message that Tivo has detected a lineup change and it 'unhelpfully' changes the channels that I have assigned so that my VCR channels of 1,2,3 don't match TV1, TV2, TV3 and I have to go into tivoweb to remap them. Is this a feature? Will it keep happening? Is there anything I can do to stop the lineup change?