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3. If the (up triangle) (Overexposure mark) or the (down triangle) (Underexposure mark) pulsates, you should select another f-stop number as the exposure is incorrect. If the (up triangle) or the (down triangle) marks do not disappear, even after selecting a different f-stop number, you should select a different shutter speed.

SHUTTER SPEED REFERENCE TABLE

Shutter speed

Lighting conditions

range