MY NEIGHBOR GAVE ME A ECHOSTAR 311 RECIEVER HAS ATMEGA CARD AND A LOCK NO REMOTE I PLUGED IN AN I CAN SEE PREVIEWS OTHER CHANNELS SAYS CANT PICK UP SIG 2 THINGS ON THESE RECIEVERS YOU HAVE TO CHANGE KEYS IS THERE A GUIDE TO HELP ME SETUP THIS RECIEVE HERE ARE PICKS THIS WOULD BE THE FIRST DISH RECIEVER I WILL SETUP ANY HELP WOULD BE APPRECIATED