Panasonic KX-PS8000 User Manual

You can adjust the color of the image using the Hyper-Tetra Adjustment window.
This selection is effective only when Full Color (Color Depth 8 bit) or the Color Photo
(256) image type is selected.

Click on the Use Hyper-Tetra Adjustment check box in the
Adjust tab 

( ☞ P. 83).

The Adjustment... button becomes effective.

Click  Adjustment... .

The Hyper-Tetra Adjustment window appears.