Canon VIXIA HF R80 Important Usage Instructions page 278

Reference Tables
• To use the image mix function while recording on a memory card, use
a card reader to copy the image files from your computer to the fol-
lowing folder on the memory card, depending on the shooting mode
you want to use.
CANON\PRIVATE\MY_PICT\
• The camcorder can recognize image files named MIX_01.JPG to
MIX_99.JPG.
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