Before you can update the software, you must obtain a software-update memory card or load the latest software onto a memory card.
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Turn on the chartplotter.
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After the home screen appears, insert the memory card into the card slot.
NOTE:
In order for the software update instructions to appear, the device must be fully booted before the card is inserted.
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Follow the on-screen instructions.
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Wait several minutes while the software update process completes.
The device returns to normal operation after the software update process is complete.
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Remove the memory card.
NOTE:
If the memory card is removed before the device restarts fully, the software update is not complete.