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The GNC 250XL can be configured to display data in standard or metric units of
measure. These apply to: distance, position, speed, altitude, fuel, pressure and
temperature.
To change the units of measure:
1. Press and hold
M
and rotate
O
to display the nav units page.
2. Press
C
twice and rotate
O
to highlight the field you would like to change.
3. Use
K
to change the unit of measure.
4. Rotate
O
to advance to the next field, or press
C
when finished.
The available units of measure are:
position : • degrees, minutes and seconds (dms) [hddd° mm’ ss.s”]
• degrees and minutes (dm) [hddd° mm.mmm’]
altitude : • feet (ft) • meters (mt)
vertical speed : • feet per minute (fpm) • meters per minute (mpm)
• meters per second (mps)
nav units : • nautical miles and knots (nm, kt)
• statute miles and miles per hour (mi, mh)
• kilometers and kilometers per hour (km, kh)
fuel : • gallons (gl) • imperial gallons (ig)
• kilograms (kg) • pounds (lb)
• liters (lt)
pressure : • inches of mercury (hg) • millibars (mb)
temperature : • degrees Fahrenheit (°f) • degrees Celsius (°c)
83
Default units of measure settings.
SECTION
6
UNIT SETTINGS
Units of Measure
Units of measure settings with all metric values
displayed.
250xl manual 2 7/17/98 1:33 PM Page 83