I have noticed that if you look at the display of the XHDATA D-808 under
a low-angle light you can see everything that can be displayed.
But some of these indications don't ever light up.
One of these hidden words reads "SYNC", which could mean that the set
actually has a hidden synchronous detector, just like the Tecsun PL880.
Have any of you guys out there managed to activate that function?
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