Question about Garmin StreetPilot c550 GPS Receiver

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Microphone not working

Any one that I call from my Motorola Razr v3 phone can't here me speak but I can hear them just fine. The microphone setting is not muted and the volume is all the way up. I even tried connecting a external garmin microphone and still have the same problem.

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  • ctrace Jan 01, 2008

    I have the same problem with my brand new C550 receiver. Still trying to find out why the internal microphone is not working. Any suggestions?



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This is probably a hardware defect.

I have a nice Jabra BT135 headset I grabbed from fry's for $25US. The quality is excellent both ways.

I've used the c550 and have had mixed results trying to call people while driving. I wouldn't normally recommend it unless your car is very quiet on the inside.

Posted on Jan 13, 2008


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