Adobe After Effects - Manual (Page 67)

Display preferences
Motion Path: Motion paths
Disable Thumbnails In Project Panel: Composition thumbnail images
Show Rendering Progress In Info Panel And Flowchart: Preview video and audio
Hardware Accelerate Composition, Layer, And Footage Panels: Improve performance
Import preferences
Still Footage: Create layers from footage items or change layer source
Sequence Footage: Import a single still image or a still-image sequence
Interpret Unlabeled Alpha As: Alpha channel interpretation: premultiplied or straight
Drag Import Multiple Items As: Import footage items by dragging
Adobe After Effects CS5.5 and later contains a dropdown menu to choose drop-frame or non-drop-frame timecode for Indeterminate Media
NTSC, which applies to imports like still image sequences in which timecode values are not present or are unknown.
Output preferences
Segment Sequences At, Segment Movie Files At, and Audio Block Duration: Segment settings
Use Default File Name And Folder: Name output files automatically
Grids & Guides preferences
Safe zones, grids, guides, and rulers
Labels preferences
Color labels for layers, compositions, and footage items
Media & Disk Cache preferences
Enable Disk Cache and Maximum Disk Cache Size: Caches: RAM cache, disk cache, and media cache
Conformed Media Cache and Clean Database & Cache: Media cache
Create Layer Markers From Footage XMP Metadata and Write XMP IDs To Files On Import: XMP metadata in After Effects
Video Preview preferences
Preview on an external video monitor
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