Sirius satellite radio
See also:
Benefits of digital broadcasting
Better sound (FM sounds near CD quality and AM as analogue FM).
Some FM frequencies offer a greater number of listening choices through
“multicasting” (consisting of a frequency's main cha ...
Indicator, information, and warning symbols
Indicator and warning symbols
1 - High beam and turn signal indicators
2 - Indicator and warning symbols
3 - Information symbols
4 - Indicator and warning symbols ...