what kind of reciver do you have ?,???
firmware its the reciver software and its have various version and u can update it by rs323 cable or by usb to com cable or by staliatte update in some kinds of reciver .The firmwre can be downlouaded from internet and installed in your reciver simply and the way is deffrent from reciver to another reciver type. what kind of reciver do you have? and AU mean Autoupdate or autoroll thats mean the keys thats open scrambled channels is autoupdated or autorolled.
i hope that i give u enough information for your question
sorry i mean RS 232 Cable
thx alot guys.. i have Echolink EL-3020 IR Plus
nd from where i can update my reciever..
thx
look this page openskey.com