see also:

• the Olympus OM-D system and how to make the most of it
• Picture Modes on Olympus cameras
• https://myolympusomd.blogspot.com/2018/06/how-does-creative-photographers-see.html

• Olympus invented a novel WYSIWYG pre-visualisation control of colour and tonal effects which are easily adjusted using the top dials
• it was 1st introduced on the Olympus OM-D E-M1 and added to subsequent PEN and OM-D models
• when activated, it disables ability to change WB mode from autoWB!