
rSecond-curtain Sync 
Shooting with a slow shutter speed and
Display <r>.
Press function button 4 <Y> to display <r>.
To return to normal flash shoo ing, press function button 4 <Y> to turn off <r>.
When the flash mode is set to <a>, the flash fires twice. This first flash is a preflash to determine the flash output. It is not a malfunction.
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