126Formatting a CF CardOn the menu, select “Format.”• Press the < > button.• While pressing the < > button, turn the < >dial to select < >.• While pressing the < > button, turn the < >dial to select “Format.” Then let go of the < >button.1If necessary, you can format a CF card for use with the camera. If you insert the CF card intothe camera and the CF card error message “ ” appears, you may have to format the CFcard.MENUSelect “OK.”• While pressing the < > button, turn the < >dial to select “OK.” Then let go of the < >button.s The CF card will be formatted.• After the CF card is formatted, the menu willreappear.• To exit the menu and turn off the LCD monitor,press the < > button.2• A non-Canon CF card or a CF card formatted with another camera or personalcomputer might not work with the EOS-1D camera. In such a case, format the CFcard with the camera first. Then it might work with the camera.• If you insert the CF card and the CF card error message “ ” appears, usea utility program such as Scan Disk to diagnose and fix the CF card.• If the CF card error message “ ” appears even after you format the CFcard, or you use Scan Disk or a similar utility program, use another CF cardinstead.When you format a CF card, all data on the card will be lost. Protected images willalso be erased. Before formatting a CF card, be sure it is okay to erase thecontents.