Pentax Optio W90 Operating Manual page 198

To Select a B&W, Sepia or Soft Filter
5
Use the four-way controller (23) to choose a digital
filter you want to use.
The preview image of the results of the filter effect appears.
6
Press the 4 button.
A confirmation dialog for overwriting the image appears.
If the selected image is protected, the processed image is saved as a
new image and the following confirmation does not appear.
7
Use the four-way controller
(23) to select [Overwrite] or
[Save as].
5
8
Press the 4 button.
The images processed with the filter are saved.
196
Overwrite Overwrite Overwrite
original image? original image? original image?
Overwrite
Save as
Cancel
OK OK OK OK OK OK