Humminbird Side Imaging Forums
General => General Discussion => Topic started by: Jw452 on January 06, 2022, 11:25:49 AM
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My unit has two forward facing micro-SD slots. Why, and what is the most efficient use for them?
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Most use one card slot for a mapping card which provides better detail than the built in mapping feature ... Humminbird units can use LakeMaster or Navionics mapping card products ...
Some use a second card slot for using a blank SD Card (32gb max) for capturing screenshots ... (screenshots are written directly to a SD Card and not stored in a HELIX unit memory) ...
Rickie
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Thank you for the reply. I’m still reading the 350 page manual, but I have yet to find answers. I’m still wondering if it matters which slot is used for mapping discs, and which is for screenshots; Or will the unit give me a choice if I try to save a screenshot. I’m sure more experience will teach me. Thanks, again
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I do know it doesn’t matter which slot is used for a mapping card ... the unit will recognize the mapping card ...
I do know that if only a blank SD Card is inserted - screenshots will be saved to the blank SD Card ...
I do know that units that have 2 full size SD Card slots - the mapping card itself has a slide lock that prevents writing screenshots to that mapping card ...
I do know that micro SD Cards do not have a slide lock feature ...
I’m not sure how the unit reacts with screenshots when a micro mapping card and a blank micro SD Card are inserted ... I’m fairly certain one of the card slots is “default” in this scenario ...
I will test and see if I can discern ...
Rickie
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Thanks, Rickie.
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Here are the results of testing dual SD Card slots ...
*Left card slot - map card ... Right card slot - blank SD Card = ScreenShot goes to Left map card ...
*Left card slot - blank SD Card ... Right card slot - map card = ScreenShot goes to Left blank SD Card ...
*Left card slot - empty ... Right card slot - blank SD Card = ScreenShot goes to Right blank SD Card ...
*Left card slot - blank SD Card ... Right card slot empty = ScreenShot goes to Left blank SD Card ...
Meaning = map card should go in the Right card slot to prevent ScreenShots from “accidentally” being written to the map card ...
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Note - if one “accidentally” writes a ScreenShot to an unlocked map card ... simply open the SD Card in PC or Mac and DELETE the “SCREENSHOT” folder ...
Rickie