Canon MLT (F) User Manual page 27

3.QA Mode Settings
Switching the display of the graph
Touch the graph area to switch over the Frequency Base Graph (bar graph) and Density
Base graph (line graph).
.
Actual processing shall not be performed unless the DWT Edge Enhancement is
effective, although the graph is displayed on the screen.
Frequency Base Graph (Bar Graph)
Density Base Graph (Line Graph)
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