GNS 430(A) Pilot’s Guide and Reference
190-00140-00 Rev. P
SECTION 3
NAV PAGES
3-25
4) Turn the small
right
knob to select ‘Above
Wpt’ (AGL) or ‘MSL’, (Figure 3-52) and press
the
ENT
Key. ‘Above Wpt’ uses the altitude
of a destination airport as stored in the
Jeppesen NavData Card. ‘MSL’ lets the pilot
set a specific target altitude for any waypoint
category: airport, VOR, NDB, intersection, or
user waypoint.
Figure 3-52 Reference Window
5) Turn the small and large
right
knobs to select
a distance from the target reference waypoint
(Figure 3-53) and press the
ENT
Key. If the
target altitude should occur at the target
reference waypoint, enter a distance of zero.
Figure 3-53 Reference Distance Selected
6) Turn the small
right
knob to select ‘Before’
or ‘After’, and press the
ENT
Key. This setting
designates whether the offset distance defines
a point before the aircraft reaches the target
reference waypoint, or after the aircraft reaches
the waypoint.
7) When using a flight plan, the target reference
waypoint itself can be specified from the
waypoints contained in the flight plan. By
default, the last waypoint in the flight plan is
selected. To select a different waypoint, turn
the small
right
knob to select the desired
waypoint and press the
ENT
Key.
8) The default profile utilizes a 400 fpm descent
rate. To change the rate, turn the large
right
knob to highlight the ‘VS Profile’ field (Figure
3-54) and use the small and large
right
knobs
to enter a new rate. Press the
ENT
Key when
finished.
Figure 3-54 VS Profile Field Selected
Summary of Contents for GNS 430
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