Volume
From SAP Enable Now Wiki
Scope
Purpose
This property sets the initial volume of the sound that is played for the parent Audio object. Note that this can be changed by the user in the Book Reader.
Use
The volume is specified as a percentage of the current system volume. Because the system volume can be changed by the user independently, this property is best used for specifying the volume of this Audio object relative to other audio on the Book Page (including Page audio, and any other Audio objects.
