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89Final Cut Pro User Guide
3. To import the image and add it as an overlay, click the View pop-up menu in the upper-
right corner of the viewer, then choose Choose Custom Overlay > Add Custom Overlay.
Your custom overlay appears in the viewer.
4. Do any of the following:
• Adjust the opacity (transparency) of the overlay: Click the View pop-up menu in the
upper-right corner of the viewer and choose Show Custom Overlay, then choose a
percentage from the Opacity submenu.
• Turn off (disable) a custom overlay: Click the View pop-up menu in the upper-right
corner of the viewer, then choose Show Custom Overlay.
• Turn on a previously added custom overlay: Click the View pop-up menu in the
upper-right corner of the viewer and choose Choose Custom Overlay, then choose
the overlay from the submenu.
Background rendering in Final Cut Pro
Rendering is the process of creating temporary video and audio render files for segments
of your project that Final Cut Pro can’t play in real time. When you add effects, transitions,
generators, titles, and other items that require rendering for playback at high quality, the
render indicator (a light gray dotted line) appears below the ruler at the top of the timeline.