In article ,
"Richard Knoppow" wrote:

I found a manual at a pay-for
site but its nearly as much as I payed for the tester.

Richard-

I may have found one at EBAMAN.com. Downloading requires registration,
which I assume to be free. It looks like 25 Megabytes if I read the
discription correctly.

http://www.ebaman.com/index.php/remo...t-Equipment/Hi
ckok/Hickok-890/

Fred
K4DII