The main SUFFERvision window displays your video and overlayed telemetry, and looks just as it appears in encoded videos.  See the sample video page for an example of what encoded videos look like and an explanation of how to interpret the data.  SUFFERvision has a separate window with controls for manipulating your telemetry overlay and other features.  Screenshots of this control window are below.

Tab for telemetry alignment, marking start and finish lines, and other display options.

Tab for selecting and ordering the data fields to display

Tab for editing captions and the timeline for video encoding.

Tab for training mode using realtime telemetry from an Ant+ USB stick.

Dialog for Strava integration.