GNC 420(A) Pilot’s Guide and Reference
9-23
SECTION 9
AUX PAGES
4) To change the altitude buffer, turn the large
right
knob to highlight the ‘Altitude Buffers’
field (Figure 9-57). Use the small and large
right
knobs to enter the desired buffer
distance. Press the
ENT
Key when finished.
Figure 9-57 Buffer Distance Field Selected
NOTe: When an approach has been loaded into
the active flight plan, airspace alert messages
are disabled within 30nm of the destination
airport.
Setup 1 Page: CDI Scale/Alarms
Changing the CDI scale:
1) Select ‘CDI/Alarms’ from the Setup 1 Page
(Figure 9-58), using the steps described at the
beginning of this section.
Figure 9-58 CDI/Alarms Highlighted
2) The flashing cursor highlights the ‘Selected CDI’
field (Figure 9-59). Turn the small
right
knob
to select the desired CDI scale. The selected
scale and any lower scale settings are used
during the various phases of flight as described
at the beginning of this section.
Figure 9-59 Selected CDI Field Highlighted
3) Press the
ENT
Key to accept the selected scale.
The ‘System CDI’ field displays the CDI scale
currently in use. The ‘System CDI’ setting may
differ from the ‘Selected CDI’ depending upon
the current phase of flight.
190-00140-20 Rev. K
Summary of Contents for GNC 420A
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