Canon EOS Rebel XT Instruction Manual page 187

Standard
exposure index
E x p o s u r e .
level mark
.......
····I····~
Minus Plus
'1
Press the
< ....
00>
button.
Press the
<.JIi..T
> key to select the
metering mode.
[~J
Evaluative metering:
Standard metering mode
[8J Partial metering:
Metering at the center covering
about 9% of the viewfinder area
[J Center-weighted averaged metering:
Metering weighted at the center
and averaged for the entire scene
Press the
<~ ~~>
button to
select the drive mode.
D
Single shooting
~
Continuous shooting
(Max. approx. 3 shots/sec.)
~~
Self-timer Operation (10 sec.)/
Remote control
Turn the Mode Dial to select any
Creative Zone mode except <M>.
Focus the subject and check the display.
Hold down the
<Av~>
and turn
the <B> dial. (up to ±2 stops in
1/3-stop increments)