Nikon Z 50 Reference Manual - Page 191

4 Select Start point. To create a copy that begins from the current frame, highlight Start point and press J. The frames before the current frame will be removed when you save the copy in Step 9. Start point 5 Confirm the new start point. If the desired frame is not currently displayed, press 4 or 2 to advance or rewind (to skip to 10 s ahead or back, rotate the main command dial; to skip to the first or last frame, rotate the sub-command dial). 6 Choose the end point. Press the A (L) button to switch from the start point (w) to the end point (x) selection tool and then select the closing frame as described in Step 5. The frames after the selected frame will be removed when you save the copy in Step 9. End point A (L) button More About Playback 163