Nikon D7500 Users Manual - English for customers in Asia Oceania the Middle Ea - Page 195

FV Lock This feature is used to lock flash output, allowing photographs to be recomposed without changing the flash level and ensuring that flash output is appropriate to the subject even when the subject is not positioned in the center of the frame. Flash output is adjusted automatically for any changes in ISO sensitivity and aperture. To use FV lock: 1 Assign FV lock to a camera control. Assign FV lock to a control using Custom Setting f1 (Custom control assignment, 0 266). 2 Select TTL flash control. Select TTL for Flash control > Flash control mode (built-in) in the photo shooting menu. 3 Raise the flash. In P, S, A, M, and 0 modes, the flash can be raised by pressing the M (Y) button. In i, k, p, n, o, s, w, f, d, e, and ' modes, the flash will pop up automatically when required. M (Y) button 169