To Set Animation Playback Options
1. Click Animation, and then set the following options in the Play group:
◦ Playback speed—Select a relative speed from the box.
◦ Loop—Loop the animation continuously.
◦ Range—Set the start and end points in one of these ways:
▪ Click 
Range, and then set a Start point and an End point in seconds.
Range, and then set a Start point and an End point in seconds.▪ Drag 
and 
in the Keyframe Editor
and in the Keyframe Editor▪ Type start and end times in the 
boxes in the Track Tree.
boxes in the Track Tree.◦ Direction—Click 
to play the animation in reverse.
to play the animation in reverse.2. To toggle the display of the playback bar in the view, perform one of these actions:
◦ Click > 
Playback Controls.
Playback Controls.◦ Set the option in the Creo View Options dialog box:
a. Click > .
The Creo View Options dialog box opens.
b. Next to Showing, select Global.
c. On the left, under Model, select Animation. The Model—Animation options open.
d. Select or clear the Show in-view playback controls box.