Canon EOS-1D X Mark III DSLR Camera (Body Only) - Manual (Page 508)

Displaying the Highlight Alert
You can specify blinking display of overexposed highlights on the playback screen. To
obtain more detailed gradation in the blinking areas where you want the gradation to be
faithfully reproduced, set the exposure compensation to a negative amount and shoot again
for a better result.
1.
Select [ : Highlight alert].
2.
Select [Enable].
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