LG LRSC21935TT, LRSC21935SW, LRSC21935SB User Manual page 14

You can adjust temperature of and freezer room and refrigerator room.
Whenever pressing button, setting is repeated in the order of (Middle)
(Middle Strong) (Strong)
The actual inner temperature varies depending on the food status, as the
indicated setting temperature is a target temperature, not actual temperature
within refrigerator.
Refrigeration function is weak in the initial time. Please adjust temperature as
above after using refrigerator for minimum 2~3 days.
You can select water or ice.
Please select water, slice ice and square ice by
pressing button as you desire.
Please press the push button lightly by catching and
pushing in cup.
The border line is indicated for the selected function,
"Tak!" sounds if 5 seconds pass after ice comes out.
It is sound that the outlet of ice is closed.
Reference : Please wait for 2-3 seconds in order to take final ice
•
slices or drops of water when taking out cup from the
pressing switches after taking ice or water.
(Weak) (Middle Weak).
Operation
DISPENSER
Pressing
Switch