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4. If the displayed speed is 1/30 or slower (yellow LED's with audible signal), use of a
tripod is recommended, or you can increase the shutter speed by opening the lens
diaphragm to a larger aperture. Use of a flash unit is also suggested.
5. When the Overexposure LED (third from the top of the scale with double audible
signal)
(Fig. 27) or the Underexposure LED (at the bottom of the scale with double audible
signal)
(Fig. 28) appears, you should select another f-stop number by turning the lens aperture
ring, as the exposure is incorrect.