Canon EOS 7D Instruction Manual page 114

D Using the Built-in Flash
B: FE LockN
FE (flash exposure) lock obtains and locks the correct flash exposure
reading for any part of a subject.
If the subject is too far away and beyond the effective range of the flash, the
<D> icon will blink. Get closer to the subject and repeat steps 2 to 4.
114
Press the <D> button to pop-up
1
the built-in flash.
Press the shutter button halfway and
look in the viewfinder to check that
the <D> icon is lit.
Focus the subject.
2
Press the <B> button.
3
Aim the viewfinder center over the subject
where you want to lock the flash
exposure, then press the <B> button.
The flash will fire a preflash and the
required flash output is calculated
and retained in memory.
In the viewfinder, "FEL" is displayed
for a moment and <d> will light.
Each time you press the <B> button, a
preflash is fired and the required flash output
is calculated and retained in memory.
Take the picture.
4
Compose the shot and press the
shutter button completely.
The flash is fired to take the picture.
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