Patent ID: 7595832

Claim:
A method of controlling a digital image processing apparatus that is capable of capturing a photograph, the apparatus comprising an optical system, a memory card interface, a first removable memory device, a second removable memory device, and a display screen, wherein the first removable memory device and the second removable memory device are coupled to the memory card interface, the method comprising: retrieving an initial image from the first removable memory device; displaying the initial image on the display screen; detecting a user input; and in response to the user input, retrieving a new image from the second removable memory device and replacing the initial image on the display screen with the new image from the second removable memory device only when a user presses a button for a length of time that exceeds a preset value, and retrieving the new image from the first removable memory device and replacing the initial image on the display screen with the new image from the first removable memory device only when a user presses the button for a length of time that is less than a preset value.