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TIP: If you regularly travel between cities with different active FM channels, you may
need to find channels that are not broadcasting in each city. Your SIRIUS Sportster SP5
can store up to 5 preset FM transmit channels (see Figure 27, right), so you can easily
switch to the best FM channel for each city.
To switch the FM transmit preset, press the FM Presets button on either the SP5 front
panel or the remote.
If you’re not sure which FM channels are not broadcasting in your home or travel cities,
you can also go to http://www.sirius.com/fmchannel and search for a suggested FM
channel based on your zip code.

Wireless Audio Connection Using the FM Extender Antenna

Your SIRIUS radio includes an FM Extender Antenna (FEA) that can maximize the
audio quality of your SIRIUS radio when using a Wireless Connection. The FM Extender
Antenna brings the FM signal transmitted from your SIRIUS radio into close proximity
with your vehicle’s FM antenna to provide a strong FM signal for good reception (see
Figure 29).
Vehicle Radio Sportster SP5 Radio
FM Extender AntennaVehicle FM Antenna
Match Channels
Figure 29