195l3 Adjust flash settings.Choose the flash mode (0 198) and flash control mode(0 197).4 Adjust shutter speed and aperture.5 Take pictures.D Use Only Nikon Flash AccessoriesUse only Nikon flash units. Negative voltages or voltages over 250 Vapplied to the accessory shoe could not only prevent normal operation,but damage the sync circuitry of the camera or flash. Before using aNikon flash unit not listed in this section, contact a Nikon-authorizedservice representative for more information.A Shutter SpeedShutter speed can be set as follows when an optional flash unit is used:Mode Shutter speedP, A Set automatically by camera ( 1 /250 s– 1 /60 s) *S Value selected by user (1 /250 s–30 s)M Value selected by user (1 /250 s–30 s, Bulb (A), Time (%))* Shutter speed may be set as slow as 30 s if slow sync, slow rear-curtainsync, or slow sync with red-eye reduction is selected for flash mode.A The Sync TerminalA sync cable can be connected to the syncterminal as required. Do not connect anotherflash unit via a sync cable when performing rear-curtain sync flash photography with a flash unitmounted on the camera accessory shoe.