I want to upgrade the firmware for my H2O. Can I use any card reader or do I have to use a special one from Lowrance. My firmware/software is at 1.40 and I want to upgrade to 1.5. Seems to me I saw somewhere where a digital camera could be used as the card reader.
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eurolarva
I want to upgrade the firmware for my H2O. Can I use any card reader or do I have to use a special one from Lowrance. My firmware/software is at 1.40 and I want to upgrade to 1.5. Seems to me I saw somewhere where a digital camera could be used as the card reader.
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