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I recently purchased a Lowrance unit that has sonar and GPS. Before I purchase LakeMaster ProMap for Minnesota I want to know what other accessories I need. Do I need a MMC/SD card reader? Can I view a LakeMaster ProMap on my PC using the card reader?
Using the LM Contour Pro software does not require a card reader…however if you want to transfer the info stored in your gps to your pc or the other way around…yes you will need a card reader. I picked up one from Wallmart the other day for $10.
For clarification…buying a card reader and plugging in the chip can not be read on a pc alone…you’ll need to LM Contour Pro software to do this. 
PS Pool 3….YES! 