Canon EOS-1D C EOS 1D X Instruction Manual - Page 118

3 Selecting the Card for Recording and Playback If a card is inserted in either Card f or Card g, you can start shooting. When only one card is inserted, the procedures described on pages 118 to 120 are not necessary. If you insert two cards, you can select the recording method and select which card to use to record and play back images. Recording Method with Two Cards Inserted 1 Select [Record func+card/folder sel.]. Under the [51] tab, select [Record func+card/folder sel.], then press . 2 Select [Record func.]. Turn the dial to select [Record func.], then press . 3 Select the recording method. Turn the dial to select the recording method, then press . 118