i´m also a ney born Bitfury user

what settings are ideal or right for one device?
In the forum I found this, and use this setting.
start cgminer.exe --url http://eu-stratum.btcguild.com:3333/ --userpass XXX:1234 --avalon-options 115200:128:10:47:280 --bitburner-voltage 1360 --avalon-cutoff 63 --avalon-fan 80 --avalon-temp 55