Olympus IS-1 - Manual (Page 16)

autofocus
frame
*Position your subject within the autofocus
frame in the center of the viewfinder.
*Press the shutter release button halfway to
focus.
—When correct focus has been achieved, the auto-
focus indicator will light-up in the viewfinder.
—If the autofocus indicator is blinking, correct focus
has not been achieved. If this occurs, let go off
the shutter release button. Make sure your subject
is within the autofocus frame in the center of the
viewfinder and press the shutter release button
halfway again.
— 15 —
Both the LCD and viewfinder indicators will
remain for about 30 seconds. When the indicators
disappear, press the shutter release button halfway
to resume.