Sync and Video : Working with Video in Pro Tools : Configuring Video Import Options : Location Pop-Up Menu

Location Pop-Up Menu
If you do not select the Clip List as a destination in the Destination section, the Location pop-up menu lets you choose precisely where in the Timeline Pro Tools places imported video.
Session Start
Places the video file at the start of the session.
Song Start
Places the video file at the Song Start position.
Selection
Places the video file at the edit cursor position or within the selection (if one was made).
Spot
Displays the Spot dialog, which lets you spot video to precise locations based on any of the Time Scales.
Original Time Stamp (Avid Video Only)
Places Avid video in the Timeline at a timecode location that corresponds to the timestamps from the original source tape. With multiple video files, this places all video files in the Timeline at their respective original timestamps.