AUTO WX UPDT (WEATHER UPDATE):
ON: The Global Data Center will automatically send weather/wind
updates for the displayed idents when new information is issued.
OFF: The auto weather update function is not enabled.
VHF NETWORK: Ground networks that AFIS interfaces with to
establish a data link with the Global Data Center.
ON: The appropriate VHF network will automatically be selected
whenever the aircraft present position is within the specified bound-
aries. (Figure 7-28)
OFF: Network is not enabled.
SAT NETWORK: Satellite network that AFIS interfaces with to
establish a data link with the Global Data Center.
ON: The appropriate satellite region will automatically be selected
whenever the aircraft present position is within the specified bound-
aries.
OFF: Network is not enabled.
ACTIVE LINK: Indicates the
network in service, i.e. ARINC,
SITA, AIR CA (Air Canada), or
SATCOM. (Figure 7-29)
NONE: All networks are turned
OFF or current position does
not correspond with the manual-
ly selected boundaries.
NOTE: The VHF network has
precedence over the satellite
network in areas of shared cov-
erage and must be turned OFF
in order for SATCOM to be the Active Link. AUTO REPORT, AUTO
WX UPDT and OPERATING MODE selection status are stored in
non-volatile memory. If the operator turns to OFF the operator must
reselect to turn ON
7-19
GNS-XLS Flight Management System AFIS Operation
Rev. 3
Sep/96
AUTO REPORT OFF
AUTO WX UPDT ON
VHF NETWORK OFF
SAT NETWORK ON
ACTIVE LINK: SATCOM
AFIS OPERATING MODES
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Figure 7-29
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