Nikon Autofocus Speedlight SB-22 Instruction Manual page 59

4. Choose an aperture and perform a test firing. If the
ready-light blinks after test firing, indicating under­
exposure may occur at the aperture set on the lens,
use a wider aperture or reduce the bounce distance
and test fire the flash again.
5. Bracket your exposures. You are recommended to
take additional shots with the camera's exposure
compensation dial set in the -t- or - direction (not
possible with Nikon F-401/N4004) for TTL auto flash
operation or with the lens opened up or stopped
down one or two f/stops for non-TTL auto flash
operation.
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