Rev. 3
Sep/96
VHF AND SATELLITE NETWORK OPERATING MODES
The status of each network is
held in non-volatile memory.
When the system is initialized,
all networks will prefill with the
status at system shut-down.
The following procedures allow
the VHF and satellite networks
to be manually operated, turned
OFF, or returned to AUTO.
TURNING VHF NETWORK OFF
The VHF network has prece-
dence over the satellite network
in areas of shared coverage and
must be turned OFF in order for
SATCOM to be the Active Link.
1. AFIS Key - DEPRESS to
display AFIS MENU Page.
2. Line Select Key - DEPRESS
to position cursor over Option
8, OPERATING MODES.
(Figure 7-91)
3. ENTER Key - DEPRESS.
4. Line Select Key - DEPRESS
to position cursor over ON
option of VHF NETWORK
field. (Figure 7-92)
5. BACK Key - DEPRESS.
OFF? appears in the cursor.
(Figure 7-93)
6. ENTER Key - DEPRESS to
turn the VHF network OFF.
NOTE: The ACTIVE LINK infor-
mation at the bottom of the page
indicates the network that is
being serviced at that time. If all networks are turned OFF or none are
operational, NONE will be displayed.
7-48
GNS-XLS Flight Management System AFIS Operation
AFIS OPERATING MODES
AUTO REPORT ON
AUTO WX UPDT ON
VHF NETWORK OFF?
SAT NETWORK ON
ACTIVE LINK: SATCOM
>
>
>
Figure 7-93
AFIS OPERATING MODES
AUTO REPORT ON
AUTO WX UPDT ON
VHF NETWORK ON
SAT NETWORK ON
ACTIVE LINK: ARINC
>
>
>
Figure 7-92
AFIS MENU
<
<
<
<
1 AFIS FLT PLAN
2 SIGMETS
3 TERMINAL WX
4 WINDS ALOFT
5 RECALL AFIS FPL
6 SEND AFIS MSG
7 DISPL AFIS MSG
8 OPERATING MODES
Figure 7-91
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