Nikon F4 Instruction Manual page 25

Viewfinder Focusing Screen
(B-type screen supplied as
standard)
Manual focusing is accomplished
using either the clear matte field
(focus until you see a sharp im-
age) or the Electronic Rangefinder
(focus until in-focus indicator is
visible). If you choose an optional
screen, additional focus and
composition aids are available.
For details, see page 91.
Confirm exposure.
For details on viewfinder information in
each exposure mode, see pages
50
to 58.
Fully depress shutter release button to
take a picture. Film will automatically
advance by one frame. Viewfinder LCD
frame counter advances by 1.
e lf any abnormality occurs during film advance, red alert LED blinks and
shutter locks. Open camera back and reload film .
e LCD indications turn off approx. 16 sec. after you remove your finger from the
shutter release button.
25