hit a and then b to enter the service mode.
then cycle 1/2 to find the white balance paramter page….
the on screen menus will then tell you what you need to do.
9 button to cycle to the various modes.
3/4 buttons to select parameter
vol up and down to change the value of the parameter.
THEN HIT THE C button to save.
After this…you will have to get off your butt and hold the power button down on the display until the unit recycles.