Nikon D810 Product Manual - Page 358

❚❚ Commander Mode Use the built-in flash as a master flash controlling one or more remote optional flash units in up to two groups (A and B) using advanced wireless lighting (0 430). Selecting this option displays the menu shown at right. Press 4 or 2 to highlight the following options, 1 or 3 to change. Option Built-in flash TTL M - - Group A TTL AA M - - Group B Channel Description Choose a flash mode for the built-in flash (commander flash). i-TTL mode. Choose flash compensation from values between +3.0 and -3.0 EV in increments of 1/3 EV. Choose the flash level. The built-in flash does not fire, although remote flash units do. The built-in flash must be raised so that it can emit monitor pre-flashes. Choose a flash mode for all flash units in group A. i-TTL mode. Choose flash compensation from values between +3.0 and -3.0 EV in increments of 1/3 EV. Auto aperture (available only with compatible flash units; 0 430). Choose flash compensation from values between +3.0 and -3.0 EV in increments of 1/3 EV. Choose the flash level. The flash units in this group do not fire. Choose a flash mode for all flash units in group B. The options available are the same as those listed for Group A, above. Choose from channels 1-4. All flash units in both groups must be set to the same channel. 334