We found 11 Germaniums with ugly spectra, after settings change 6 of them have now good spectra:

R3A6 red

R3A7 blue (now OK)

R3A8 blue

R3A10 green (now OK)

R3A12green

R2A1 black (now OK)

R2A5 green (now OK)

R2A6 black ( so so)

R2A8 blue

R2A9 red (now OK)

R2A12 red