Canon EOS 20D Instruction Manual page 80

M Manual Exposure
In this mode, you set both the shutter
speed and aperture value as desired. To
determine the exposure, refer to the
exposure level indicator in the viewfinder
or use a handheld exposure meter. This
method is called manual exposure.
* <M> stands for Manual.
_ Set the Mode Dial to
<M>.
'_j_,_ Set the desired shutter speed.
_ While looking at the LCD panel, turn
the <_> dial.
_j_ Set the desired aperture value.
_ Set the <_> switch to </-->, and
while looking at the LCD panel, turn
the <O> dial.
Standard exposure index ,¢_ FOCUS the subject.
' _ Pressthe shutter button halfway.
Exposure level mark #_ The exposure setting will be
displayed in the viewfinder and on the
LCD panel.
_ The exposure level icon <1> lets you
see how far you are from the standard
exposure level.
80