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GNC 420/420A Quick Reference
190-00140-21 Rev. F
DEFAULT NAV PAGE
11
DEFAULT NAV PAGE
Course Deviation
Indicator (CDI)
User-selectable
Data Fields
Active Leg of Flight Plan
TO/FROM Flag
The following symbols are used on the Default NAV
Page (directly below the CDI), to depict the ‘active leg’ of
a flight plan or direct to:
Direct-to a Waypoint
Course to a Waypoint, or Desired Course
between Two Waypoints
Procedure Turn
Procedure Turn
Vectors-to-Final
DME Arc to the Left
DME Arc to the Right
Left-hand Holding Pattern
Right-hand Holding Pattern
Quickly displaying the Default NAV Page:
From any page, press and hold the CLR Key for
approximately two seconds.
Selecting a different data item for any data
field:
1) With the Default NAV Page displayed, press the
MENU Key to display the Default NAV Page
Menu.
2) The ‘Change Fields?’ option is already
highlighted, so press the ENT Key to select
this option.
3) Use the large right knob to highlight the data
field to be changed.