It may not apply for the RS but heres what Tekin sez about caps and the G11:
http://www.teamtekin.com/g11help.html
and a thread from the Tekin forum:
http://forum.teamtekin.com/phpbb3/vi...hp?f=30&t=2312
and of course the manual sez to always run a cap:
http://www.teamtekin.com/manuals/RSManual.pdf