Konica Minolta Q-M100 - Manual (Page 20)

4. Shut the CF card cover.
Caution: ○ If the CF card cover is opened during playback of picture, the
camera is compulsorily turned off. Before inserting or setting a
CF card, be sure to turn off the camera. Don’t open the CF
card cover while the card access warning lamp is on in the
shooting mode, otherwise operation of picture data writing on
a CF card is interrupted.