LG 60PM970T User Manual page 34

Adjusts the overall tone of the screen as desired.
White Balance In Expert mode, detailed fine-tuning can be set via the
Method / Pattern etc.
This is a function used by experts when they adjust
colours using a test pattern of six colours (Red / Green /
Colour Management
Blue / Cyan / Magenta / Yellow) without affecting other
System
colour areas. For normal images, adjustments may not
result in noticeable colour changes.
✎ Depending on input signal or other picture settings, the range of detailed
items for adjustment may differ.