Humminbird Side Imaging Forums
Side Imaging Forums => 997c SI, 998c SI & 999ci HD SI => Topic started by: DCDiveRescue494 on January 25, 2010, 07:13:12 PM
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I was wondering if anybody could explain why there are two SD slots in the 997. from what i can tell only the left slot closest to the screen reads the card. so why is there two?
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No they both will read your card. If you have a Navionics card inserted in slot 1 and want to record, you would need a seperate SD in the other slot.
Robert