A bit of-topic, but... Have you thought of that, when using handheld remotes (for e.g. a TV set), and the betteries are beginning to run low, most people begin to press *harder* on the keys to get a connection... Probably more of a behavioural science questions then an electronic question :-) Jan-Erik Soderholm. -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body