Try the rocky mountain encoder site....

http://www.rkymtn.com/einstall.pdf

Cheers,
Pete
Europa with both short and long wings

"Bill Chernoff" wrote in message
news:vYZIc.9077$od7.923@pd7tw3no...
Hi Everyone,

I have an Aero Mechanism 8140B-20 Altimeter/Encoder. Does anyone happen
to
have a pinout for this model? Or any ideas on where to find one? The
google
search turned up an Aero Mechanism CNC, but they are not the right guys.

tia

Bill