Might you not suggest replacing the bleep and sweep for rotating tactiles. These have the added advantage of helping the deaf/blind disability Terry Gardner Traffic Systems Engineer Glamorgan Engineering Consultancy Tel: 02920820683 ********************************************************************** This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify the sender and delete from your system. Any views or opinions expressed in this email are those of the individual and not neccesarily that of Glamorgan Engineering Consultancy. ********************************************************************** ----------------------------------------------------------- A message from the TCUG mailing list. For information about the list visit //www.freelists.org/webpage/tcug