Ford Escape 2013 Owner's Manual page 336

HD Radio Reception and Station Troubleshooting
Reception area
Station blending
In order to provide the best possible
experience, a contact form has been
developed to report any station issues
found while listening to a station
broadcasting with HD Radio technology.
Every station is independently owned and
operated. These stations are responsible
for ensuring all audio streams and data
fields are accurate.
MyFord Touch®
Potential Reception Issues
If you are listening to a multicast station and you are on
the fringe of the reception area, the station may mute due
to weak signal strength.
If you are listening to HD1, the system switches back to
the analog broadcast until the digital broadcast is available
again. However, if you are listening to any of the possible
HD2-HD7 multicast channels, the station mutes and stay
muted unless it is able to connect to the digital signal
again.
When a station is first received (aside from HD2-HD7
multicast stations), the system first plays the station in
the analog version and then, if receiver verifies the station
is an HD Radio station, it shifts to the digital version.
Depending on the station quality, you may hear a slight
sound change when the station changes from analog to
digital. This shift from analog to digital sound or digital
back to analog, is known as "blending".
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