Nikon 25464 D300S User's Manual - Page 323

f8: Customize Command Dials G button ➜ A Custom Settings menu This option controls the operation of the main and sub-command dials. Option Description Controls the direction of the command dials. Choose No for normal command Reverse dial operation, Yes to reverse the rotation rotation of the command dials. This setting also applies to the command dials for the MB-D10. If Off is selected, the main command dial controls shutter speed and the sub-command dial controls aperture. Change If On is selected, the main command main/sub dial will control aperture and the sub- command dial shutter speed. This setting also applies to the command dials for the MB-D10. If Sub-command dial is selected, aperture can only be adjusted with the sub-command dial (or with the main command dial if On is selected for Change main/sub). If Aperture ring is selected, aperture can only be adjusted with Aperture setting the lens aperture ring and the camera aperture display will show aperture in increments of 1 EV (aperture for type G lenses is still set using the sub-command dial). Live view is not available when Aperture ring is selected and a CPU lens with an aperture ring is attached. Note that regardless of the setting chosen, the aperture ring must be used to adjust aperture when a non-CPU lens is attached. U 297