Pentax SF10 Manual page 35

3. When rewind is completed, the film mark (Ql blinks
and the figure in the exposure counter [ EXi} goes off.
4. Open the back cover and take the film out.
• When you finish shooting, be sure to set the main
switch to the "OFF" mark [ O ] to turn the power off.
Now you have mastered the camera's basic operations.