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The series resistors for the LEDs are very well designed and therefore the LEDs are very bright. For me they were too bright and I therefore changed the resistors as follows

R400 1k5 -> 2k7
R401 1k -> 1k8
R403 680R -> 2k7
R404 680R -> 2k7
R405 1k -> 3k6
R406 1k -> 3k6
R408 1k -> 2k2
R409 1k -> 3k6

Greetings

Christian OE5HCL

Perfect. Many thanks for the effort, Christian! I will place the alternative set of resistors on the assembly page in the wiki. In this way everyone can chose at building time his preference for the LED brightness.
Note, that in the next hardware revision the LEDs are foreseen to be dimmable via the currently unoccupied DAC channel 4.

cheers
Hans-Georg