AGFA 307 - Manual (Page 56)

Chapter 4 Flash Details
Using Flash in P, A, S and M Mode
When the built-in flash is up, or an attached accessory flash is on, it
will automatically fire in low-light or back-lit situations. The camera
will select the most appropriate shutter speed and aperture.
TO FIRE THE FLASH MANUALLY
In P mode, you can manually fire the built-in or accessory flash.
Press and hold the manual fill-flash button while you take the picture.
USING FLASH IN A,S,M MODES
When the built-in flash is up, or an attached accessory flash is on, it
will fire each time you take a picture. When the built-in flash is
down, or an attached accessory flash is off, it will not fire.
A MODE FLASH: You can select any aperture from f/6.7-f/22, and the
camera will automatically set the shutter speed.
S MODE FLASH: Operation in the S mode is the same as P mode. The
camera will automatically set the aperture and the shutter speed.
M MODE FLASH: You can select any aperture from f/6.7-f/22, and
any shutter speed between 1/90 and 1/2 second.
Using Flash in P.A.S and M Modes