I would like to suggest that you be selective regarding the updates as I have heard that a couple of the recent ones DO, in fact, make changes in various volume situations. Could also be your unit is defective. The best, John --------------------------------------------------------------------------- To leave the list at any time, please write to <ptr1-users-request@xxxxxxxxxxxxx> with unsubscribe ptr1-users in the subject or the body. The list home page is at <//www.freelists.org/list/ptr1-users/>.