"Bhopal BillY" <nos-pam-bhopal@gmail.com> wrote in message 210620082117414633%nos-pam-bhopal@gmail.com">news:210620082117414633%nos-pam-bhopal@gmail.com... > Does it require that magic "calibration" ;-) Well, all I do is plug it in, fire it up, and away I go. <[8o|) Bill Garber from GS-Electronics http://www.garberstreet.com