Garmin G3X Pilot's Manual page 105

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utoMatiC
NOTE: When an external GPS navigator is in use, the pilot cannot change
the CDI scale.
Three factors determine the default distance from the center of the CDI to full left
or right limits:
• CDI scale = 1.25 nm - within 30 nm of any airport in the active route.
• CDI scale = 0.25 nm - on an approach leg or within 2 nm of the FAF or MAP.
• CDI scale = 5.0 nm - if the previous two conditions do not exist.
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Adjusting the CDI scale:
From the full-screen PFD and/or split-screen PFD Page, press the RNG Key down
arrow to zoom in (decrease CDI scale), or the up arrow to zoom out (increase
CDI scale).
The current CDI scale appears in the upper right corner of the HSI.
The Automatic CDI Scale Selection will resume once the default determining factor
for the current phase of flight matches the user-selected CDI scale.
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uto lewing
The G3X will automatically slew the LOC course pointer to the correct final approach
course when an ILS, LOC, BC, LDA, or SDF approach is active in the external navigator
and the appropriate CDI and navigation source are selected on the G3X.
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Horizontal Situation Indicator (HSI)
Garmin G3X Pilot's Guide
Flight Instruments
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