Here is link to the 318 manual: https://www.tentec.com/content/downloads/manuals/318/318%20Instruction%20Sheet.pdf Glenn AE0Q On Thu, Jul 31, 2014 at 3:09 PM, John Farler <k4avx1 at windstream.net> wrote: > Don't see a manual or description of the 318 amp keyer on the TT site. > Does anyone have a maual they could share via email. Shouldn't be too > large. >