Not sure where to post this as it applies to the Foxsat-HDR, HD-FOX T2 and HDR-FOX T2 for anyone using a large USB drive requiring external power.
I have a 1TB self powered drive on a HD FOX T2, just connected a USB controlled power saver (using a non powered usb hub) to my HD FOX T2, from here.
http://www.standby-saver.co.uk/
It works like a dream.