2.1
Database Effective Cycles
Most databases expire at regular intervals. Exceptions include Basemap and Terrain,
which neither expire nor update on a regular schedule.
Databases with
no effective
date
Databases with
specified
effective dates
DATABASE NOT FOUND
Notifications for databases not present or available also display in the form of system
messages.
190-02207-02 Rev. B
The start-up page lists all currently
Yellow text denotes when a database is:
DATABASE EFFECTIVE STATUS
•
Effective upon release
•
Transfer occurs prior to database verification at system
start-up
•
No automatic transfer if Flight Stream 510 is present
•
Includes Basemap and Terrain
•
No pilot confirmation or restart required
•
Effective during a specific period
•
Unit determines database status using the current date
and time from GPS
•
Automatic activation occurs on the effective date
GPS 175/GNX 375 Pilot's Guide
installed databases. Review this list for
current database types, cycle numbers,
and expiration dates.
•
Not available
•
Installed before its effective date
•
Missing date information
•
Past its expiration date
Tapping Database Info
opens the Active Database
Information page.
Review this list to determine
the status of the indicated
database.
Database
Not Present
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2-3