Sony a 3000 Series Instruction Manual page 29

Operating the camera
The control wheel and soft keys allow you to use various functions of the
camera.
x Control wheel
When shooting, DISP (Display Contents),
(Drive Mode) and ISO (ISO) functions are assigned to the control
wheel. When playing back, DISP (Display Contents) and
functions are assigned to the control wheel.
When you turn or press the top/bottom/left/right parts of the control wheel
following the on-screen display, you can select setting items. Your selection is
determined when you press the center of the control wheel.
(Exposure Comp.),
(Image Index)
The arrow means you
can turn the control
wheel.
When options are
displayed on the screen,
you can browse through
them by turning or
pressing the top/bottom/
left/right parts of the
control wheel. Press the
center to make your
choice.
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