299UThis option controls flash sync speed.e: Bracketing/Flashe1: Flash Sync Speed G button ➜ A Custom Settings menuOption Description1/320 s(Auto FP)Auto FP high-speed sync is used when a compatible flashunit is attached (0 382). If the built-in flash or other flashunits are used, shutter speed is set to 1/320 s. When thecamera shows a shutter speed of 1/320 s in exposure mode eor g, auto FP high-speed sync will be activated if the actualshutter speed is faster than 1/320 s.1/250 s(Auto FP)Auto FP high-speed sync is used when a compatible flashunit is attached (0 382). If the built-in flash or other flashunits are used, shutter speed is set to 1/250 s. When thecamera shows a shutter speed of 1/250 s in exposure mode eor g, auto FP high-speed sync will be activated if the actualshutter speed is faster than 1/250 s.1/250 s–1/60 s Flash sync speed set to selected value.A Fixing Shutter Speed at the Flash Sync Speed LimitTo fix shutter speed at the sync speed limit in shutter-priority auto ormanual exposure modes, select the next shutter speed after the slowestpossible shutter speed (30 s or bulb). An X (flash sync indicator) will bedisplayed in the viewfinder and control panel.A Auto FP High-Speed SyncAllows the flash to be used at the highest shutter speed supported bythe camera, making it possible to choose the maximum aperture forreduced depth of field even when the subject is backlit in brightsunlight. The information display flash mode indicator shows “FP”when auto FP high-speed sync is active (0 185).