Have a Gossen-Bolex Light Meter but no manual. I also notice that the DIN / ASA values seem to be upside down and showing in the wrong windows!

Any clues as to the correct usage of this meter please? All the dials seem to move at once on lifting and rotating the external black plastic ring, with very little control over individual movements.
There was an article and picture here - on this meter the film speed numbers are showing correctly.
http://filmshooting.com/scripts/forum/v ... =1&t=24388
Many thanks.