How to feather doras prop?

[mugen]

Happy new year everybody,

 

i bought the D9 Kompendium from

 

http://www.luftfahrt-archiv-hafner.de/

 

In the manual of the Jumo A-1 u. C-0, i've read about run up procedure. There is a section about prop feathering to check prop adjustment. (1st pic) Does someone know, how to feather the prop of the DCS Dora?

 

When i visited a guy who is building a Konrad, this guy told me that late Doras Props had an automatic, mechanical prop feathering system. (2nd pic) Does anybody have any further infos about this?

Thanks in advance.

 

greez mugen