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penguin42@TechConnectify Oh I noticed that circular thing with brass contacts in the 1st relat and wondered what it was. How come they did that one like that rather than the PCB style that the other counters are done in?
@penguin42 Honestly have no idea. May have been dwindling parts supplies as they transitioned from EM to solid-state (there are also weird inconsistencies in the machine re: what the devices are called and what is screen-printed on the PCB).
But it could also have been different needs. The bonus unit is wire point-to-point on the other side and thus may be more flexible.