You could try the editor app - go here
C:\Ubisoft\Silent Hunter 5\data\Applications\OptionsFileEditorViewer
When you run it - click file then set path to menu.txt
it is found here - C:\Ubisoft\Silent Hunter 5\data\Menu
then click file again and open. click the TDWoptions.py
The app will then load
select tab Automatics
here you will find options for scope up/down etc
