The editor area of KHexEdit uses a fixed font to display data. The font and its size face can be chosen to match personal preference.
If selected, the system fixed font, size and face will be used. Otherwise the personal font as defined by the dialog selection.
In this frame the personal font with its properties such as size is selected. Only fixed fonts are available from the Typeface selector.
This entry allows the user to select what character to be used to display non printable characters. Note that the color of this character can be selected as well. See Color options.