Ford Windstar Owner's Manual page 34

Tachometer
The electronic bar graph tachometer in the right center of the
cluster displays the approximate engine speed in revolutions per
minute (RPM). Each bar on the display represents 200 RPM.
The tachometer
Fuel Computer
The Electronic Cluster Fuel Computer display is located under
the tachometer and consists of a menu and a digital display.
The fuel computer can display five different functions. They are:
Trip distance
Instantaneous fuel economy
Average fuel economy
Distance to empty
Average speed
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