Canon SPEEDLITE 320EX Manual De Instrucciones página 44

The picture is very blurred.
When the shooting mode is set to <f> and the scene is dark,
slow sync is enabled automatically and the shutter speed
becomes slower. Use a tripod or set the shooting mode to <d>.
(p.12)
The slave unit does not fire.
When using the built-in flash of the camera as the master unit:
• Raise the camera's built-in flash.
• Use [Built-in flash func. setting] on the camera to set the
wireless flash functions.
Set the power switch to <SLAVE>. (p.34)
Make sure that the transmission channel on the slave unit
matches the master unit's transmission channel. (p.34)
Point the wireless sensor on the slave unit toward the master unit.
(p.35)
The periphery of the movie screen looks dark.
When using the LED light in a dark scene, adjust the focal length
at 50mm or longer for an EF lens or 32mm or longer for an EF-S
lens and shoot. (p.23)
Remote control shooting does not work.
Remote control shooting works only with cameras compatible with
Remote Controller RC-1, RC-5, or RC-6. (p.38)
Set the camera's drive mode to <R> (Remote control shooting).
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