Pentax K-X Operating Manual page 79

The camera and lens p roperties can beautomatically adjusted when
taking p ictures.
Expands the dynamic range a nd the light l evel expressed bytheCMOS
sensor and prevents bright areas f rom occurring.
1
Press the INFO button in the status screen.
The control panel appears.
Press the INFO button when the status screen is not displayed.
2 Use the four-way controller (A • _1•) to select [Highlight
Correction] and press the OK button.
The [Highlight Correction] screen appears.
3 Use the four-way controller ( _1 • )
to select [Off] or [On].
Press the
OK
button.
The camera returns to the control panel.