Canon MF211 Manual page 229

<Preferences>
brightness
Invert Screen Colors
Select <On> to invert the display colors. Select <On> if the display is hard to view even after the brightness was adjusted in
<Contrast>.
Off
On
<Preferences>
<Off>
Millimeter/Inch Entry Switch
Select the unit of measurement.
Millimeter
Inch
<Preferences>
<Millimeter> or <Inch>
Message Display Time
Specify the interval in seconds at which two different messages are alternately displayed.
1 to 2 to 5 (sec.)
<Preferences>
for the interval
Scrolling Speed
Adjust the speed for scrolling the screen by selecting from three levels.
Slow
Standard
Fast
<Display Settings>
<Display Settings>
<Display Settings>
<Display Settings>
<Contrast> Use
<Invert Screen Colors>
<Millimeter/Inch Entry Switch>
<Message Display Time>
/ to adjust the
Select <On> or
Select
Enter a number