Plus, when I was aligning mine, I found several errors and omissions in the HP manuals... I can't find my notes now. I do seem to remember some of the dip switch settings were wrong. Also some inconsistencies in the HP- 8082A (?) signal generator setup. Anyway... it's a pain in the ass beastie to align properly. --------------------- > They are a highly recommend read if you are getting ready to dig into one of these counters.