Pentax P3 - Page 28

When setting aperture first
Set the aperture to your desired f-stop. Turn the shutter dial until
the shutter-speed display changes from a blinking speed to a just
glowing speed, namely, until only one shutter speed is seen, so that
correct exposure can be obtained. If the display does not change
from a blinking speed to a glowing speed even by turning the shutter
dial, reset the aperture by turning the aperture ring.
• Also in the case of Metered Manual mode, when the subject is too
bright or dark, "1000" or "1" blinks as a warning. Adjust the
shutter speed or the aperture to obtain correct exposure. When
the subject is very dark and a shutter speed slower than 1/30 is
displayed, there is a danger of camera shake, and you are
recommended to use a tripod or a flash, (For details, refer to
page 27.1
• 26