Olympus IS-1 - Manual (Page 36)

Slow-synchro fill-in flash
Use this mode to capture your subject and a dimly lit background, such as the sky at
dusk, while properly lighting the foreground with flash.
*Open the mode cover and press the SUBJECT
button until is displayed on the LCD panel.
*Slide the flash switch to activate the flash.
—Flash will pop up.
*Press the shutter release button halfway to
focus.
*Press the shutter release button fully to take
the picture.
NOTE: The shutter speed may be very slow to attain
proper exposure. To prevent blurring, the
camera should be set firmly in position (with
a tripod for example).
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