Sirius Satellite Radio SP4-TK1 User Manual page 59

SIRIUS fm direct adapter
The FM Direct Adapter accessory redirects your vehicle's FM antenna signal when listening to
your SIRIUS receiver using your vehicle's AM/FM radio. When the SIRIUS receiver is powered
on the FM Direct Adapter automatically redirects the vehicle's FM antenna signal away from
the vehicle's AM/FM radio, reducing any interference which might be present from FM radio
station broadcasts. When the SIRIUS receiver is turned off, the FM antenna signal is automati-
cally redirected back to the vehicle's AM/FM radio. (Product number 14100.)
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Optional Accessories