Creating Images and Animation from Your Design Data - Inventor 2013 and Inventor LT 2013 Essentials - page 290

6. In the dialog box, set the Length value of the animation to 5 seconds,
and leave the Default Velocity Profile value set to its defaults, as shown
in Figure 13.16; then click OK.
FIGURE 13.16 The Animation
Options dialog box
7. The scale on the timeline has a slider that also displays the time. Click
and drag it to read 4.0 (seconds).
8. Click the corner of the ViewCube to display the right, back, and top
sides (Figure 13.17), and then click the Add Camera Action icon in
the Animation Timeline.
Using Add Camera action repositions the active camera to that
point of view at the selected point in time.
FIGURE 13.17 The view that the
animation will have at four seconds