Advanced-black(darkness) level, Picture contr ol, Press the m me en nu u button and then use – LG 37LB4DS User Manual
Page 63: Button and then use, Button to select a ad dvvaan ncceed d. press the, Button to select b bllaacckk lleevveell. press the, Button to select llo ow w, or h hiig gh h, Llo ow w the reflection of the screen gets darker
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