Canon MR-14EXl Instructions Manual page 55

Selecting the Flash Tube
Focus and take the picture.
• Check that the
t
icon (flash ready) is
displayed in the viewfinder before
taking the picture.
Set C.Fn-4-1 (.-7p.64). Then you can press the test firing button to fire a
modeling flash to see the lighting and shadow effects before taking the
picture.
* The modeling flash is fired at 70 Hz for 1 sec.
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