Robert Fanfant said: "I'm wondering if I have a defective chassis. How does thumbscrew connect to E1ground terminal (pg 23)? Looking at Figure 13 (pg 20). My chassis has a hole in which the thumbscrew slides in/out of E1. What keeps it secured to the chassis? -rob" Rob, Is E1 actually installed on the board? (page 11) It should be threaded to accept the thumbscrew. Sam, KL7V/5