3 Appending Dust Delete DataN3423 Shoot a solid-white object.At a distance of 20 cm - 30 cm (0.7 ft.- 1.0 ft.), fill the viewfinder with apatternless, solid-white object andtake a picture.X The picture will be taken in aperture-priority AE mode at an aperture of f/22.Since the image will not be saved, thedata can still be obtained even if thereis no card in the camera.X When the picture is taken, the camerawill start collecting the Dust DeleteData. When the Dust Delete Data isobtained, a message will appear.Select [OK] and the menu willreappear.If the data was not obtainedsuccessfully, an error message willappear. Follow the “Preparation”procedure on the preceding page, thenselect [OK]. Take the picture again.After the Dust Delete Data is obtained, it is appended to all the JPEGand RAW images captured thereafter. Before an important shoot, it isrecommended to update the Dust Delete Data by obtaining it again.For details about using Digital Photo Professional (provided software,p.456) to erase dust spots, refer to the Software Instruction Manual(p.459) on the CD-ROM.The Dust Delete Data appended to the image is so small that it hardlyaffects the image file size.Dust Delete DataBe sure to use a solid-white object such as a new sheet of white paper. If theobject has any pattern or design, it may be recognized as dust data andaffect the accuracy of the dust deletion with the software.
