Nikon F4 Body Only, F4S instruction manual

3. Keeping shutter release button lightly pressed, rotate lens	4. Confirm in-focus indicator LED appears, then fully depress
focusing ring manually and watch focus indicator LEOs	shutter release button.
inside the viewfinder.
e lf ~ arrow (rear focus) or ~ arrow (front focus) appears,
manually rotate lens focusing ring in the direction indicat-
ed until the in-focus indicator LED appears.
e lf ~ arrow does not disappear when you turn focus ring
counterclockwise to the limit, the subject is closer than the
closest focusing distance of the lens. Move away from the
subject.

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