See also:

Certification for the Handsfree system
FCC WARNING Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. NOTE This device complies ...

HD RadioTM Technology (Digital AM and FM Radio) (type D audio)
HD Radio Technology is fueling the digital radio revolution in the United States and around the world. The digital technology enables broadcasters to offer new and unique FM content via HD2 ...

Replacing the battery
CAUTION ● Do not let dust, oil or water get on or in the transmitter when replacing the battery. ● Be careful not to damage the printed circuit board in the transmitter when replacing ...