Canon Speedlite 430EXII Instruction Manual page 22

Metered Manual Flash Exposures
When the Speedlite is attached to an EOS-1 D series camera, you can
also set the flash exposure level manually.
9
Set the camera and Speedlite.
o
Setting the camera's shooting mode to
<Av>
or
<M>
is
recommended.
e Set the Speedlite's flash mode to
<M>
(Manual flash).
2
Focus the subject.
o
Focus manually.
3
Set up an 18% gray card.
o
Place the gray card at the subject's position.
r
In the viewfinder, the entire spot metering circle at the center
should cover the gray card.
4
Press the
<FE
L>
button. (616)
b
The Speedlite will fire a preflash and the required flash output for
the subject is retained in memory.
b
On the right side of the viewfinder, the exposure level indicator
will show the flash exposure level for the correct flash exposure.
5
Set the flash exposure level.
e Adjust the Speedlite's manual flash level and the
camera aperture so that the flash exposure level
aligns with the standard exposure index.
6
Take the picture.
e Remove the gray card and take the picture.