Adjustments
Turn R4 (constrast) anti-clokwise and R5 (brightness) to mid position.
Adjust R413 (preset) for just visible background
Adjust focus control R426 by means of wave signal to maximise simultaneous visibility of horizontal
and vertical lines in the centre of the picture.
02.30.5
LDK 5301 User's Guide 1.5 Inch Viewfinder
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