Nikon D5 100th Anniversary Edition User Manual - Page 373

Option K AF-area mode q AF-area mode + AF-ON q Preview r FV lock B AE/AF lock C AE lock only D AE lock (Reset on release) E AE lock (Hold) F AF lock only A AF-ON h IDisable/ enable Description Highlight this option and press 2 to select an AFarea mode (3D-tracking excluded; 0 104). The selected mode will take effect while the control is pressed; releasing the control restores the original AF-area mode. As for AF-area mode, above, except that pressing the control also initiates autofocus. During viewfinder photography, you can preview depth of field while the control is pressed (0 132). During live view photography, you can press the control once to open the lens to maximum aperture, making it easier to check focus; pressing the control again restores aperture to its original value (0 50). Press the control to lock flash value for optional flash units (0 202). Press again to cancel FV lock. Focus and exposure lock while the control is pressed. Exposure locks while the control is pressed. Exposure locks when the control is pressed, and remains locked until the control is pressed a second time, the shutter is released, or the standby timer expires. Exposure locks when the control is pressed, and remains locked until the control is pressed a second time or the standby timer expires. Focus locks while the control is pressed. Pressing the control initiates autofocus. If the flash is currently off, front-curtain sync will be selected while the control is pressed. If the flash is currently enabled, it will instead be disabled while the control is pressed. U 349