Maker Pro
Maker Pro

Grundig ST-520 Service mode?

B

bob

Grundig ST-520 Service mode? can anybody tell me how to get into this?

Ive found out that this particulat model comes pre set out of the factory
with the contrast set to maximum and I want to turn it down, but theres no
brightness or contrast controls that I can see?!?!



Cheers!
 
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