Garmin GPS 400 Pilot's Manual & Reference page 141

5) If the fuel management system does not enter
the data automatically, turn the large right
knob to highlight the fuel on board (FOB) field
(Figure 8-11).
Figure 8-11 FOB Highlighted
Use the small and large right knobs to enter
6)
the amount of fuel on board. Press the ENT
Key when finished.
7) The flashing cursor moves to the fuel flow (FF)
field. Use the small and large right knobs to
enter the fuel flow rate. Press the ENT Key
when finished. Note that if a fuel system is
providing current fuel flow, the fuel flow field
defaults to this value.
8) The flashing cursor moves to the ground speed
(GS) field. Use the small and large right knobs
to enter the ground speed. Press the ENT Key
when finished.
9) With all variables entered, the following
information is provided (see also Figure 8-12):
• REQ - Quantity of fuel required
• LFOB - Left-over fuel on board
• LRES - Left-over fuel reserve time
• EFF - Efficiency, expressed in distance per fuel
units (e.g., nautical miles per gallon)
190-00140-60 Rev. H
•
•
10) To reconfigure the data fields press the MENU
GPS 400 Pilot's Guide and Reference
RNG - Range (distance)
ENDUR - Flight endurance, or total available
flight time
Figure 8-12 REQ Highlighted
Key to display the options window (Figure
8-13). Turn the small right knob to highlight
the 'change fields?' option. Press the ENT Key
to reconfigure the data fields. Turn the large
right knob to select the desired field. Turn
the small right knob to highlight the desired
data. Press the ENT Key to select the data
configuration.
Figure 8-13 Select Field Type Window
SECTION 8
AUX PAGES
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