Pentax K10D Operating Manual page 202

200
3
Use the four-way controller (23) to choose an item.
4
Use the four-way controller (45) to select O (On) or P
(Off).
5
Press the 3 button twice.
The camera is ready to take a picture.
• When [File No.] is set to O (On), the file number of the last image taken is
saved and subsequent images are assigned sequential file numbers even if
a new SD Memory Card is inserted.
• When [File No.] is set to P (Off), the file number returns to the lowest number
each time a new SD Memory Card is inserted. When an SD Memory Card
4
with stored images is inserted, numbering continues from the last stored file
number.
• When the number of storable images exceeds 500, captured images are
divided into folders of 500 images each. However, in Auto Bracket, images
will be stored in the same folder until shooting is completed, even if the
number of images exceeds 500.