Sony alpha DSLR-A500 - Manual (Page 67)

Sh
ootin
g imag
es
67
Shooting with the exposure adjusted manually (Manual
exposure)
This mode is suitable for
z Shooting with the desired exposure
setting by adjusting both the shutter
speed and aperture.
1
Set the mode dial to M.
2
Rotate the control dial to adjust
the shutter speed, and while
pressing the
button, rotate the
control dial to adjust the aperture.
button
Shutter speed
Aperture (F-number)