I have just found a new (well, old) Technical Data Application Information B0138 titled "How to use the 9010A for Guided Fault Isolation. This includes a bunch of programs for building your own test procedures and improves on the theory and practice of same. These look very useful! As soon as I am able to PDF these I'll send them along to uncle Al. John :-#)# To UNSUBSCRIBE from techtoolslist, send a message with "UNSUBSCRIBE" in the message body to: techtoolslist-request@flippers.com. Please direct other questions, comments, or problems to jrr@flippers.com.