Characters representing the invisible characters are drawn here. The legend is italicized when there are more characters in the file than are shown in the window.
Size box
To change the height and width of the window, drag the size box.
Scroll bar
To scroll a little at a time, press one of the scroll arrows. To scroll by the windowful, click in the gray bar. To scroll to another part of the window, drag the scroll box.
Document window
The first ^ bytes from the file “^” are shown.