Canon EOS Rebel T3 18-55mm IS II Lens Kit - Manual (Page 104)

3 Auto Exposure BracketingN
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Follow steps 1 and 2 to turn off the AEB amount display.
The AEB setting will also be canceled automatically if the power
switch is set to <2>, flash recycling is completed, etc.
Using AEB with continuous shooting:
If <i> continuous shooting (p.86) has been set and you press the
shutter button completely, the three bracketed shots will be taken
continuously in this sequence: Standard exposure, decreased
exposure, and increased exposure.
Using AEB with <u> single shooting:
Press the shutter button three times to take the three bracketed
shots. The three bracketed shots will be exposed in the following
sequence: Standard exposure, decreased exposure, and increased
exposure.
Using AEB with the self-timer:
If you use the self-timer <j> <l> (p.87), the three bracketed
shots will be taken continuously after 10 sec. or 2 sec. With <q>
(p.87) set, the number of continuous shots will be three times the
number set.
Canceling AEB
Shooting Tips
Neither flash nor bulb exposures can be used with AEB.
If [2 Auto Lighting Optimizer] (p.107) is set to any setting other than
[Disable], the AEB’s effect might be minimal.
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