Polaroid 206 - Manual (Page 21)

3-5
2 To begin processing the film, pull the white film tab,
keeping the tab perpendicular to the camera at all times.
Rest the camera on a flat surface and pull the tab straight
out using the right hand. This ensures that the film in the
camera remains aligned.
3 Pull the yellow tab, keeping the tab perpendicular to the
camera. Position the camera and pull the tab as de-
scribed in 2 above. A smooth, straight pull will prevent
blemishes in the picture.
As soon as you pull the yellow tab, the film starts to
develop.