Canon EOS-1D Mark IV - Manual (Page 36)

Installing and Removing the Card
The camera can use a CF card and SD card. Images can be recorded
when at least one card is installed in the camera.
If both card slots have a card, you can select which card to record
Images with or record the same images simultaneously on both cards
(p.56, 57).
^ If you use an SD card, be sure the card’s write protect switch
Is set upward to enable writing/erasing.
Installing the Card
in
Write protect switch
Open the cover.
m Flip out and turn the cover release
handle as shown by the arrow.
Insert the card.
• The left slot is for a CF card, and the
right slot is for an SD card.
• As shown in the illustration, face
the CF card’s label side toward you
and insert the end with the small
holes into the camera.
If the card is inserted in the wrong
way, it may damage the camera.
► The CF card eject button will stick
out.
• With the SD card’s label facing you,
push in the card until it clicks in place.
Close the cover.
• Press the cover until it snaps shut.
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