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8 - VLOC RECEIVER
164
190-00357-00 Rev E
CDI Key
7. For VOR and ILS approaches, the standby field
of the VLOC window is automatically tuned to
the proper frequency. To activate the frequency
press the VLOC flip-flop key. To display VLOC
course information on the external CDI (or HSI)
press CDI and verify that “VLOC” is displayed
at the bottom left corner of the screen, directly
above the CDI key.
8. For non-GPS approaches (ILS and VOR), a
reminder window appears indicating that GPS
guidance on such approaches is strictly for
monitoring only — use the VLOC receivers and
external CDI (or HSI) for primary navigation. To
confirm this reminder, highlight “Yes?” and
press ENT.
CDI Key
The GNS 530W’s CDI key is used to couple the
GPSorVLOCreceivertotheexternalCDI(orHSI).
WhentheexternalCDI(orHSI)isconnectedtothe
GPS receiver, “GPS” appears at the bottom left corner
of the page, directly above the CDI key. When the
externalCDI(orHSI)isbeingdrivenbytheVLOC
receiver,“VLOC”appearsinstead.
To couple the external CDI (or HSI) to the GPS
receiver or VLOC receiver, press the CDI key to
display “GPS” or “VLOC”, as desired.
NOTE: The external CDI (or HSI) must be coupled
to the VLOC receiver for approaches which are
not approved for GPS. See ILS example in the
Procedures section for more information.
NOTE: GPS level of service annunciations (LPV, ENR,
etc.) are not applicable to the external CDI (or HSI)
when VLOC is active.