I couldn't use any SDHC cards, I could only get a smaller one (512MB I think) to work because it seemed to take straight up SD cards and not SDHC so check on that and make sure.
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Soundcloud: https://goo.gl/J0VHoC
Tonefinder: http://goo.gl/WI3Ahh
YouTube: https://goo.gl/6P3Mjg