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Garmin aera 500 Series Pilot’s Guide
190-01117-02 Rev. A
38
GPS Navigation
OverviewGPS NavigationFlight PlanningHazard AvoidanceAdditional FeaturesAppendicesIndex
The Course Deviation Indicator, or needle, indicates how far off course, left or right,
based on its placement along the course deviation scale.
The course deviation scale setting is adjustable for Auto, ±0.25, 1.25 or 5.0 (nautical
mile, statute mile, or kilometer) full-scale deflection. The course deviation scale appears
on the lower right corner of the HSI. The default setting is Auto, which uses three
factors to determine the distance from the center of the CDI to full left or right limits:
CDI scale = 1.25 - within 30 nm of any airport in the active route.•
CDI scale = 0.25 - on an approach leg or within 2 nm of the FAF or MAP.•
CDI scale = 5.0 - if the previous two conditions do not exist.•
Displaying the HSI/Panel:
From the 'Home' Screen, touch the HSI/Panel Icon.
CHANGING THE CDI SCALE
The CDI scale can be set by touching the In or Out Icons from the HSI/Panel Screen
(if the CDI scale is NOT set to 'Automatic') or from the HSI/Panel option menu.
Changing the CDI scale:
1)
From the 'Home' Screen, touch HSI/Panel > Menu > Set CDI Scale.
2)
Touch the desired CDI Scale (' Automatic', ' 0.25 nm', ' 1.25 nm', or
'5.00 nm').
SETTING THE BUG INDICATOR
The Bug Indicator can be set from the HSI/Panel option menu.
Setting the Bug Indicator:
1)
From the 'Home' Screen, touch HSI/Panel > Menu > Set Bug
Indicator.
2)
Touch the desired menu option ('User Selected', 'Bearing', 'Course to
Steer', or 'Off').