The simple markings on photo does not have the Anode and Cathode marked.
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Thanks for the pics, they helps a lot 
I'm doing some measurements, soldering and waiting for several new components..
Thanks for the pics, they helps a lot I'm doing some measurements, soldering and waiting for several new components..
Thanks for the tip :)
While I wait for more zener diodes i am thinking a bit about measurement points and since I have no manual or description, I'm guessing a bit here..I can measure the output emitter resistor, at the marking with a blue ring?