6
Appendix
89
Dust Alert is the function that detects dust adhering to
theCMOS sensor and visually displays the location of the dust.
Make sure that the camera is in the following status.
• Attach a DA, DA L, FA J lens or a D FA, FA or F lens that has
an 9 position, and set the aperture ring to the 9 position.
• Turn the Stills/Movie switch to A.
• Set the focus mode switch to v.
1Select [Dust Alert] in D4 menu and press D.
The [Dust Alert] screen appears.
2Fully display a white wall or other bright subject
withno detail in the viewfinder and press the shutter
release button fully.
After image processing is performed, the Dust Alert image
appears.
If [The operation could not be completed correctly] appears,
press E and take another picture.
3Check the sensor for dust.
Use R to display the Dust Alert
image at full screen display.
4Press E.
The Dust Alert image is saved and the D4 menu reappears.
t Memo
• Only the latest Dust Alert image is saved to the SD1 slot
memory card for approximately 30 minutes. If Sensor
Cleaning is performed during this time, the Dust Alert image
can be checked while cleaning the sensor. (If the SD1 slot
isdisabled, the image is not saved. You cannot check
theimage in playback mode.)
Raise the mirror up and open the shutter when cleaning
theCMOS sensor with a blower.
1Turn the camera off and remove the lens.
2Turn the camera on.
3Select [Sensor Cleaning] in D4 menu and press D.
The [Sensor Cleaning] screen appears.
4Select [Mirror Up] and press E.
The mirror rises up.
If a Dust Alert image is saved, it appears.
5Clean the CMOS sensor with a blower.
6Turn the camera off.
The mirror automatically returns to its original position.
u Caution
• Never use a spray blower or a blower with a brush.
TheCMOS sensor may be damaged. Do not wipe the CMOS
sensor with a cloth.
• Do not put the tip of the blower inside the lens mount area.
Ifthe power is turned off, this may cause damage to
theshutter, CMOS sensor and the mirror.
• When the battery level is low, the message [Not enough
battery power remaining to clean sensor] is displayed on
themonitor. Install a fully charged battery. If the battery
capacity becomes low during cleaning, a warning beep
willsound. In this case, stop cleaning immediately.
t Memo
• Please contact your nearest service center for professional
cleaning as the CMOS sensor is a precision part.
• You can use the optional Imagesensor Cleaning kit O-ICK1
when cleaning the CMOS sensor.
Sensor Cleaning
Detecting Dust on the CMOS Sensor (Dust Alert)
Exit
Exit
x1
x1
Removing Dust with a Blower
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