Konica Minolta MAXXUM 5D Instruction Manual page 25

If the "Unable to use card, Format?" message appears, the
card should be formatted with the camera. Use the right/left
keys of the controller to highlight the yes button. Press the
central button of the controller to format the card; this can
take several minutes depending on the card. When a card
is formatted, all the data on the card is permanently erased.
Selecting "No" cancels the formatting operation; remove the
card from the camera. A memory card used in another
camera may have to be formatted before being used.
If the card-error message appears, press the central button of the controller to close the
window; check the Konica Minolta web site for the latest compatibility information:
North America
http://www.konicaminolta.us/
Europe
http://www.konicaminoltasupport.com
Unable to use card.
Format?
Yes No
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