LG LFX31995ST - Manual (Page 86)

86 SMART REFRIGERATOR DISPLAY SCREEN
ENGLISH
Brightness
Touch the Brightness button from the Settings
screen.
Move the scroll bar left (darker) or right y
(brighter) to control the brightness of the
display screen.
Volume
Touch the Volume button from the Settings
screen.
Move the scroll bar left (softer) or right y
(louder) to control the volume of the
display screen.
Move the bar all the way to the left to turn
y
the volume off.