Canon 199 A - Manual (Page 12)

^ Load the batteries correctly.
^ Attach the 199A to the camera.
^ Set the ISO/ASA film speed on the calcu­
lator dial.
^ Select the f/stop with the aperture
selector switch.
^ Set the shutter speed selection switch
(usually to AUTO).
Set the 199A’s main switch to ON.
Focus on the subject.
Check the pilot lamp.
Check the display information in the
finder.
Press the shutter release button.
Wind the film.
Procedure for Using the 199A
Automatic flash photography means that the
photocell of the flash picks up the light
bounced back from the subject, the capacitor
stores up energy, and stops discharge of light
as soon as the flash unit determines sufficient
light was reflected from the subject to the
unit’s photocell.
There are three conditions in performing
automatic flash photography.
1. Set the 199A to the film speed of the
film to be used.
2. Set the shutter of the camera to X
synchronization speed.
3. Decide the f/stop to be used.
When cameras A-1, AE-1, AE-1 PROGRAM,
and New F-1 (in the shutter-priority mode)
are used, there is no need to remove the
aperture ring of the lens from the ‘A’ mark
(automatic setting). But for AL-1, AV-1 and
New F-1 (in the aperture-priority mode), f/stop
need to be set manually on the aperture ring.
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