FSA03501-R.3613.A- M3 ・ SB-800 -OtherfunctionsRecalling the underexposure value in the TTL auto flash mode,Resetting the settings, Button lockBuilt-in wide- Allows SB-800 to be used with 14mm or 17mm lensflash adapterDimensions Approx. 70.5 x 129.5 x 93.0mm (2.8 x 5.1 x 3.7 in.)(W x H x D)Mounting foot Provides secure attachment of SB-800 to camera’s accessoryshoe using locking plate and mount pin to prevent accidentaldetachment.lock leverFlash outputlevelcompensation–3.0 to +3.0 EV in increments of 1/3 steps in the TTL autoflash, Auto Aperture flash modes and Distance-prioritymanual flashCustomsettingsBy pressing the g and ef , c or d buttons, the followingcustom settings are possible: ISO sensitivity, Wireless flashauto, Sound monitor in the wireless flash mode, Non-TTL autoflash, Standby function, Selecting the distance unit (m, ft.),Canceling power zoom function, Power zoom function usingthe built-in wide-flash adapter/Nikon Diffusion Dome, LCDpanel illuminator, Brightness of the LCD panel, AF-assistilluminator, and canceling flash firing.External powersources(optional)Ready-light Lights up when the SB-800 is recycled and ready to fire.Blinks for 3 sec. when flash fires at its maximum output, indicatinglight may have been insufficient (in TTL Auto Flash, Auto ApertureB Flash and Non-TTL Auto Flash A operations)Flash 1/1050 sec. at M 1/1 (full) outputduration 1/1100 sec. at M 1/2 output(approx.) 1/2700 sec. at M 1/4 output1/5900 sec. at M 1/8 output1/10900 sec. at M 1/16 output1/17800 sec. at M 1/32 output1/32300 sec. at M 1/64 output1/41600 sec. at M 1/128 outputExternal power source Battery typeDC Unit SD-7 Six C-type alkaline-manganeseHigh-Performance Battery Six AA-type alkaline-manganesePack SD-8APower Bracket Unit SK-6 Four AA-type alkaline-manganese