Pentax Optio MX Operating Manual page 57

• These digital filters are used for still pictures. Color filters for
movies can be selected from [Color Mode] on the [C Movie Mode]
menu. (1p.86)
• You can register the digital filter options screen on the OK button.
This will enable you to display the digital filter options screen
simply by pressing the OK button while taking pictures.
• You can also edit captured images using the digital filters.
• When Capture mode is changed, the digital filter setting is
released.
Registering a Function on the OK Button 1p.130
Editing Pictures with Digital Filters 1p.111
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