Garmin G3X Touch Pilot's Manual page 33

USING THE G3X TOUCH WITH AN EXTERNAL GPS NAVIGATOR
WARNING: Do not use the approach information provided by the VFR
navigation database residing within the G3X Touch as a means of navigating
any instrument approach. The G3X Touch VFR navigation database is limited
to present only the waypoints for the final approach leg of a published
procedure. These waypoints and associated course line are made available
for monitoring purposes only.
In a configuration which includes one or more external GPS navigators (i.e., GTN or
GNS Series), the G3X Touch displays the selected external GPS Navigator's flight plan
and guidance information.
When an external navigator is configured the internal GPS can still be used for VFR
navigation. When using an external GPS navigator with the G3X Touch, touch FPL
Source > Internal to switch to the internal GPS navigation. Touch FPL Source >
External to return to the external GPS navigation.
NOTE: The G3X Touch internal GPS flight plan is only for VFR use.
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hanging the
When an external navigator that supports both GPS and VOR/ILS capabilities (i.e.,
GTN or GNS Series) is selected, the external navigator's CDI Key is used to switch the
G3X Touch HSI between GPS and VOR/ILS navigation.
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eleCtion
The G3X Touch CDI Source button in the PFD Options Window becomes available
when more than one source of navigation data is configured. The CDI Source button
toggles between the available navigation sources (e.g., between the internal G3X Touch
GPS and external SL30 VLOC sources, between an SL30 and a GNS 430, or between
two GNS 430s, etc.). Refer to the Flight Instruments section for more information.
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Garmin G3X Touch Pilot's Guide
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System Overview
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