7.How to tell its right and left channel?
The FF3 is painted with ablue(L)andred(R)ring in the depression in the middle of the ear handle.
There are also laser-engraved L/R on the ear handle to distinguish the left and right units.
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The FF3 is painted with ablue(L)andred(R)ring in the depression in the middle of the ear handle.
There are also laser-engraved L/R on the ear handle to distinguish the left and right units.
