Honeywell GNS-XL - Manual (Page 224)

System Operation
3-106 GNS-X L Flight Management System
Rev. 1
Jul/98
RESETTING FUEL USED
1. PLAN Key - DEPRESS to display aircraft weight page.
2. Line Select Key - DEPRESS to place the cursor over FUEL
USED. The field will display ZERO?. (Figure 3-172a)
NOTE: To leave the FUEL USED field without changing the value,
depress the line select key when the field displays ZERO?. The cur-
sor will be removed from the page.
3. ENT Key - DEPRESS to reset fuel used to zero.
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PLAN 6/8
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AIRCRAFT WEIGHT
BASIC OP WT 7400
PAYLOAD 400
FUEL ON BOARD 1600
FUEL USED ZERO?
GROSS WT 9400
Figure 3-172a