Canon SPEEDLITE 580EX II Instruction Manual page 52

Auto zoom does not work.
• The Speed lite is -not attached securely to the camera.
~,
Attach the Speedlite's mounting foot securely to the camera. (p.9)
The flash range scale bars blink.
• The flash head has been tilted down by 7°.
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Change the bounce position. (p.19)
The periphery or bottom of the picture looks dark.
• When you set the flash coverage manually, the setting was a higher
number than the lens focal length, resulting in a dark periphery.
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Set the flash coverage that is a lower number than the lens focal
length or set it to auto zoom. (p.20)
• If only the bottom of the picture looks dark, you were too
close to the subject.
~,
If the subject is closer than 2 m/6.6 ft, tilt the flash head downward
by 7° (bounce flash). (p.19)
The flash exposure is underexposed or overexposed.
• There was a highly reflective object (glass window, etc.) in the picture.
.. Use FE lock. (p.16)
.. The subject looks very dark or very bright.
.. Set flash exposure compensation. For a dark subject, set a
decreased flash exposure. And for a bright subject, set an
increased flash exposure. (p.14)
'" You used high-speed sync.
~
With high-speed sync, the effective flash range will be shorter. Make
sure the subject is within the effective flash range displayed. (p.17)
The picture is really blurred.
• The shooting mode was set to
<Av>,
and the scene was dark.
~"
Use a tripod or set the shooting mode to
<
P
>.
(p.12)
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