i have magnum x7600hd satellite receiver.

-how to update keys?
-how to enter to page code?
-i entered to tools >update by usb > maincode >and i got "mcaskey.bin" option.
(i copied this file with the same name to usb) i press start and i get message "invalid file".
what wrong?
there is more file "M3602AllCode.abs"
How i can update keys with this information?

thanks!!!