F5Technical Notes and IndexMemory CardsPrecautions for Use• Use only Secure Digital memory cards. See “Approved Memory Cards” (F20) forrecommended memory cards.• Be sure to follow the precautions described in the documentation included withthe memory card.• Do not put labels or stickers on memory cards.Formatting• Do not format the memory card using a computer.• The first time you insert a memory card that has been used in another device intothis camera, be sure to format it with this camera. We recommend formatting newmemory cards with this camera before using them with this camera.• Note that formatting a memory card permanently deletes all images andother data on the memory card. Be sure to make copies of any images you wishto keep before formatting the memory card.• If the message Card is not formatted. Format card? is displayed when thecamera is turned on, the memory card must be formatted. If there is data that youdo not want to delete, select No. Copy the necessary data to a computer, etc. If youwant to format the memory card, select Yes. The confirmation dialog will bedisplayed. To start formatting, press the k button.• Do not perform the following during formatting, while data is being written to ordeleted from the memory card, or during data transfer to a computer. Failure toobserve this precaution could result in the loss of data or in damage to the cameraor memory card:- Open the battery-chamber/memory card slot cover to remove/insert the batteryor memory card.- Turn off the camera.- Disconnect the AC adapter.