Pentax K-x Black K-x Black K-x Manual - Page 288

286 Detecting Dust on the CMOS Sensor (Dust Alert) Dust Alert is the function that detects dust adhering to the CMOS sensor and visually displays the location of the dust. You can save the detected image and display it when performing sensor cleaning (p.287). The following conditions must be met before using the Dust Alert function: - A DA, DA L, FA J lens or a D FA, FA and F lens that has an Aperture s (Auto) position is attached. - The aperture is set to the s position when using a lens with an aperture ring. - The mode dial is set to any mode other than C (Movie). - The focus mode lever is set to =. 1 Select [Dust Alert] in the [R Set-up 4] menu and press the four-way controller (5). The [Dust Alert] screen appears. 2 Fully display a white wall or uniformly bright subject in the viewfinder and press the shutter release button fully. Dust Alert Checks for dust on the sensor. Press shutter release button to reveal dust location After image processing is performed, the Dust Alert image appears. If the message [The operation could not MENU be completed correctly] is displayed, press the 4 button and take another picture. SHUTTER Check 3 11 Press the 4 button. The image is saved and the camera returns to the [R Set-up 4] menu. Appendix x1 OK Exit