... Display VFD -- USB PVR ready -- DV-OUT... HD Digital Satellite receiver Azamerica S900 MAIN FEATURES 1, MPEG2 SD, MPEG2 HD, ... for channels 15, Easy to use Menu Sytem 16, Software upgrades through RS232 port and Receiver to receiver, Support USB upgrade 17 ... , 32 Timer Reservations, automatically switch to a specific channel 18, ...