Sony A900 Instruction Manual page 52

Program Shift
You can temporarily change the shutter speed and aperture value
combination with the correct exposure determined by the camera
maintained.
1
Press the shutter button halfway
down to adjust the focus.
The shutter speed and aperture value are
indicated.
2
Rotate the front or rear control
dial to select your desired
combination while the focus is
achieved.
Rotating the front control dial sets the
exposure mode indicator to "P
speed priority Program Shift) and
rotating the rear control dial sets the
exposure mode indicator to "P
(Aperture priority Program Shift).
Notes
• If you turn the camera off and on or a certain period of time is passed, Program Shift
"P " or "P " is canceled and returned to "P."
S A
• When Program Shift "P
not displayed.
• When a flash (not supplied) attached to the camera is turned on, Program Shift does
not operate.
52
" (Shutter
S
"
A
" is selected, the
S
Shutter speed
Shutter speed
P
S
(Camera shake warning) indicator is
Aperture value
Aperture
value