Agfa D102 manual

Hello,

I am looking for the Agfa-Gevaert D102 user manual. Does anybody have a digital copy? Or do you know how the use or calibrate the meter in reflective mode?

Thank you very much in advance,
Marcel

Here is some stuff: https://www.photrio.com/forum/threads/agfa-gevaert-d102-densitometer-any-knowledge-wanted.12308/

There are screwson the back to calibrate white/black for metering, IIRC.

Lars