Garmin AERA 660 Pilot's Manual page 159

3) Touch Serial Port 1 or Serial Port 2.
4) Touch the 'Serial Data Format' data field button. A vertical list is displayed.
5) Touch 'Garmin Data Transfer'. When recognized, the GDL 39/GDL 39R
device and connections information is shown.
6) To view GDL 39/GDL 39R detailed connection/update status, from the
Main Menu, touch Tools > Data Link.
CAUTION: Never remove power from the aera or GDL 39/GDL 39R during a
software update. Anytime the aera software is updated it may also contain
firmware updates for products such as the GDL 39/GDL 39R. The aera
software will update first, after the unit reboots it will update the firmware
of a connected GDL 39/GDL 39R. You can view the GDL 39/GDL 39R update
progress on the Data Link Information Page.
190-02017-20 Rev. A
GDL 39/GDL 39R Interface Setup
GDL 39 Power/Data Cable to Aera 660
Garmin aera 660 Pilot's Guide
Appendix D
Touch to View
and Configure
the Serial Data
Format
To GDL 39
Power/Data Port
143