Canon Speedlite 470EX-AI Instruction Manual page 100

Troubleshooting Guide
The flash coverage is not set automatically.
Set the flash coverage to <L> (automatic setting, p.34).
Insert the mounting foot into the camera's hot shoe all the way, slide
the lock lever to the right, and secure the Speedlite to the camera
(p.20).
The flash coverage cannot be set manually.
Remove the bounce adapter (p.63).
Retract the wide panel (p.35).
Flash coverage angle cannot be manually set during AI.B full-auto
shooting (p.52).
Functions cannot be set.
Set the camera's shooting mode to <d/s/f/a/bulb(B)>
(Creative Zone mode).
Set the Speedlite's power switch to <K> instead of <a>
(p.21).
The Speedlite fires continuously.
When the Speedlite continuously fires after focusing with AF, check if
the Speedlite is set to P.Fn-04-1 (p.89).
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