So, if you keep your SD Cards for the two keyboards separate you will be fine. You can load KN7000 styles and then save them onto a different card (or into a different folder on the same card I suppose).
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Currently playing: KN7000 KN6500 KN5000 KN3000 KN2000 KN1000 KN901 KN800 P50 WSA1 AX7 EX30