The image used to designate the European Union volume limit.
- iOS 7.0+
- Media Player
The image contained by this property is displayed on top of the
maximum. The image must be visually distinct from the
maximum and use a color similar to the default in order to convey a sense of warning to the user.
For testing purposes, set the EU Volume Limit setting in the Developer menu of the Settings app to always enable the volume limit.