116To determine how the camera sets shutter speed and aperturewhen adjusting exposure, press the I (Q) button and rotatethe main command dial until the desired option appears in thecontrol panel.Exposure ModeI (Q) buttonMain command dial Control panelMode DescriptioneProgrammed auto (0 118): Camera sets shutter speed andaperture for optimal exposure. Recommended for snapshotsand in other situations in which there is little time to adjustcamera settings.fShutter-priority auto (0 119): User chooses shutter speed;camera selects aperture for best results. Use to freeze or blurmotion.gAperture-priority auto (0 120): User chooses aperture; cameraselects shutter speed for best results. Use to blur backgroundor bring both foreground and background into focus.hManual (0 121): User controls both shutter speed and aperture.Set shutter speed to Bulb (A) or Time (&) for long time-exposures.