Dedicated Flash Photography With The Speedlite 188A - Canon AE-1 PROGRAM Instructions Manual

* Dedicated Flash Photography with the Speedlite 188A
Make sure the main switch on
the flash is OFF. Then slide the
flash into the AE-1 PRO-
GRAM's accessory shoe.
Tighten the lock nut.
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Slide the Speedlite's ISO/ ASA
film speed switch to the
ISOI ASA speed of your film .
Then push the Aperturel
MANU selection switch to
select an aperture. The green
and red positions each indi-
cate the distance range which
corresponds to the aperture
you have set on the flash.
27
·5.6
Turn the Speedlite's main
switch ON. When the flash is
charged, its pilot lamp will
glow. When the shutter
button is depressed halfway,
the auto working aperture and
a green 11 will appear in the
viewfinder, indicating that the
flash is charged. Immediately
following shutter release, con-
tinue to press the shutter
button halfway ; the green 11
will flash on and off for two
seconds if your shooting dis-
tance provided correct expo-
sure.