8
WM-4 Marine Weather & Audio Receiver Installation Manual
Required Additional Components
Component / Service
Required for
SiriusXM Satellite Radio
Required for
SiriusXM Marine Weather
Sirius SRA-50 type-approved antenna
Compatible Lowrance, Simrad and B&G
multifunction displays
GPS receiver — provides position
information for your vessel in the
weather, chart and radar applications.
Some multifunction displays have an
internal GPS receiver. If your display
does not have an internal GPS, an
external GPS receiver will be required.
Third-party external audio system
— required if you want to listen to
SiriusXM satellite radio.
SiriusXM marine weather subscription
SiriusXM satellite radio subscription
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