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Canon SPEEDLITE 188A Manual page 13

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Test Firing
To Test the flash for proper function, press
the pilot lamp after it glows If a flash is
fired, the flash is in proper working order
Confirming Exposure and Shooting
After focusing, check the lens' distance
scale to make sure the shooting dis¬
tance is within the auto distance range
indicated by the red or green line on the
flash If it is not, either move closer to or
farther away from the subject as required,
or
set
the
Aperture/MANU
selection
switch to a more appropriate position
After the pilot lamp lights up. press the
shutter button halfway and confirm expo¬
sure information in the viewfinder
The
indication varies depending on the camera
,see ppt8-21)
If everything is correct,
confirm focusing and press the shutter
button all the way for shutter release
Reverting to Normal AE Photogr^hy Be¬
fore the Recycling of the Flash When
Using FD Lenses
All cameras listed in this instruction booklet
except AT-1 provide one type or another of
automation in exposure. Depending on the
camera/lens settings (plus attachment of
accessory in case of the F-1). either shutter
priority, or aperture priority, or both are pro¬
vided This type of AE photography is pre¬
served while you are waiting for the flash to
recycle. If means camera reverts to normal
AE photography between flash pictures until
the pilot lamp comes on again and the
camera switches over again to flash circuit
This arrangement makes possible for the
photographer, if he desires, to depend on
normal AE photography between flash pic¬
tures when there Is no motion to be stop¬
ped Use of slow shutter speed required for
lowlight conditions may present some dif¬
ficulties in hand-held shooting Also, larger
aperture opening will be required to cope
13

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