Setting the Slow Synchro
Shooting Mode
The flash timing is adjusted to slow shutter speeds. This reduces the chance that only the background will appear dark when a night scene or an interior shot is taken.
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(Rec.) Menu 
[Slow Synchro] 
[On]/ [Off]*.
See Menus and Settings (p. 27).
* Default setting.
Shooting
When [Slow Synchro] set to [On], camera shake may become a factor even if [IS Mode] is set to [Continuous]. Use of a tripod is recommended.
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