SIGMA DP3 Quattro - Manual (Page 38)

38
TO REMOVE THE CARD
1
Turn off the camera and open the Card /
USB cover as shown.
2
Push the card until it clicks and pull out it.
3
Close the Card / USB cover.
WARNING!!

While the Busy Lamp is on or flashing, do not take out the battery or the
card. By doing so, it may result in data loss. This could also cause
damage to the camera and/or memory card.
TIP

If the camera is turned off while the Busy Lamp is on, the camera will
remain on until it has finished accessing the card.