A text rollover object has two components. A rectangular mouse detection area and a callout object called a tooltips text. The mouse detection area is used to detect a mouse movement. If detected, the callout object will show.
Editing the tooltips text properties
Double click on the tooltips object. Note that this tooltips will not be visible in Timeline.
Editing the text rollover properties
Double click on the mouse detection area
Show tooltips text
To show/hide the tooltips text
Play a sound
To play/not play a sound when the mouse is over the detection area
The sound will not be visible in Timeline