Nikon D500 Users Manual - English for customers in the Americas - Page 328

f3 Shutter spd & aperture lock Shutter speed lock Aperture lock f4 Customize command dials Reverse rotation Change main/sub Aperture setting Menus and playback Sub-dial frame advance f5 Multi selector Restart standby timer Do nothing f6 Release button to use dial Yes No Lock shutter speed at the value currently selected in mode S or M, or aperture at the value currently selected in mode A or M. Choose the roles played by the main and sub-command dials. (defaults to Do nothing) Choose whether using the multi selector activates the standby timer (0 39). (defaults to No) Selecting Yes allows adjustments that are normally made by holding a button and rotating a command dial to be made by rotating the command dial after the button is released. Setting ends when the button is pressed again, the shutter-release button is pressed halfway, or the standby timer expires. 302