[GreenKeys] TS-785A/GG ??

[W2HX]

Has anyone ever come across this test set? It is similar to the STELMA type distortion thingies. I have one and would like to play with it. But I could really use a manual or explanation of how to use it.  Anyone have a manual to it?
Here is what it looks like (not mine, but a picture on the internet)

http://ausalvage.com/pic/tty1.JPG


73 Eugene W2HX

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