Nikon 13187 User Guide (en)

: Programmed Auto
In this mode, the camera automatically adjusts shutter speed and aperture according 
to a built-in program to ensure optimal exposure in most situations. This mode is 
recommended for snapshots and other situations in which you want to leave the 
camera in charge of shutter speed and aperture.
Flexible Program
In mode P, different combinations of shutter speed 
and aperture can be selected by rotating the main 
command dial while the exposure meters are on 
(“flexible program”). Rotate the dial to the right for 
large apertures (low f-numbers) that blur background 
details or fast shutter speeds that “freeze” motion. 
Rotate the dial to the left for small apertures (high 
f-numbers) that increase depth of field or slow shutter speeds that blur motion. All 
combinations produce the same exposure. While flexible program is in effect, a 
U indicator 
appears in the control panel. To restore default shutter speed and aperture settings, rotate 
the main command dial until the indicator is no longer displayed, choose another mode, or 
turn the camera off.
See Also
See page 315 for information on the built-in exposure program. For information on 
activating the exposure meters, see “The Standby Timer” on page 39.
Main command dial