Anyone with a Garmin ?
I have the oportunity to pick up a minty 546s for very cheap. Reason it is cheap is because it is only the head unit, no transducer or power cables included. Hooked it to a power source and it powers up perfectly fine. My question is does this unit need an external antenna or do I only need a powercable and transducer ?
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78' / 20SF / Merc XRi Black Max 150
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