Originally Posted by iwacelect

all the manufacturers need to future proof theyre units, but they wont, it would cost too much, the prob has to do with the transmission software, the stations keep upgrading the software and hardware and sometimes there are back compatibility issues, the better sets have the ability to download the latest software from the stations themselves, but, the stations never agreed (like they did in europe) to transmit the software...so you've got to do it.