dialup mail with gnus

Hello List, I followed the threading about mail-reader some time ago. I was interested to console-mail in addition to kmail, which I may possibly ditch in future. I relay on a dialup-ppp. As a consequence of what I've read, I now use wvdial -> fetchmail -> gnus for reading. Now i wonder how to

logitech cordless keyboard loosing contact / Detecting Turbo-Button

Hi List, still I'm no subscribed member ;) so please cc directly to me. My ( non-optical ) remote keyboard and mouse eventually both loose contact to the receiver when I switch from text-console to X with ctrl-alt-F7. It's a serial logitech cordless wheel mouse . In XF86Config, it's configure