Minolta MN40WP User Manual page 12

3. Close the memory card door by pushing it down and sliding the lock back
into place.
4. To remove the memory card, simply push in and the card will eject back out.
NOTE:
Please format the memory card before using the camera
(Caution, this will erase all data on the card).
Do not remove or insert the memory card when recording. It
may damage the card or cause data loss.
Memory card rating must be Class 6 or above.
NOTE: After closing the battery door, make sure that the door is
closed securely and the lock engaged. Failure to do this can
allow water to enter the camera and damage it.