After trying multiple (5) flash drives including one on the “verified” list, I have had success using a USB 3 memory card reader purchased from “best buy” , 14 dollars, and a class 10 SDHC memory card from my video camcorder. I formatted the card in the SQ6 and it has worked flawlessly recording and playing back multi track audio. The USB recording load meter barely ticks into the green as opposed to all y flash drives that constantly “pegged the meter” in the red then setting a error. FYI. Woru mileage may vary but so far so good
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