![Glensound DARK16AO Product Details Download Page 18](http://html1.mh-extra.com/html/glensound/dark16ao/dark16ao_product-details_2231601018.webp)
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Now the .dfu file needs to be selected so that DfuSe Demo knows the correct
firmware to put on to the DARK16AO.
Click choose and then select the .dfu file that you downloaded from the
Glensound website. This will be located in your downloads folder by default.
If the file loads successfully then it will read along the bottom ‘File correctly
loaded’.
Figure 4 Choose .dfu file
Figure 5 .dfu successfully loaded