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| Do you have a 4 port hub between the DCM and the FM? You need one there otherwise it won't work properly.
Do you plug and unplug the DCM from the FM while the FM is on? That is a HUGE no no. It's the easiest way to fry the i/o of the DCM. they are never to be unplugged from the FM while the FM is powered on.
Is the DCM set up properly under GPS settings?
Is the DCM powered on and getting signal itself? | |
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DCM300 to FMX issues
