Installation Instructions

GTN 6XX/7XX AML STC Installation Manual 190-01007-A3
Page 5-6 Rev. 4
5.4.4 GWX 68/70 Software Loading
This STC does not cover the installation of the GWX 68/70 or its software. To install software on the
GWX 68/70, use the GWX Install Tool. Refer to the GWX 68 Installation Manual, P/N 190-00286-01 or
the GWX 70 Installation Manual, P/N 190-00829-01.
5.4.5 GDL 88 Software Loading
Although the GTN is a portal to install software for the GDL 88, this STC does not cover the installation
of the GDL 88 or its software. Refer to the GDL 88 Installation Manual, P/N 190-01310-00.
1. Remove power from the GTN by opening the circuit breaker.
2. Insert the correct GDL 88 Loader Card into the SD card slot.
3. Hold down the HOME key until the name 'Garmin' is fully lit on the display after power is
applied by closing the circuit breaker.
4. Ensure the GDL 88 circuit breaker is closed.
5. The Configuration Mode home page should now be displayed. Touch the Updates key to display
the updates that are available.
6. To select GDL 88 software updates, touch the GTN Software Updates key on the top left corner
of the display and select the update type GDL 88 Software Updates.
7. To update the GDL 88 with all updates available, touch Select All.
8. To begin the software update, touch the Update key on the bottom of the display.
9. The GTN will display the prompt, ‘Start GDL 88 Software Updates?’ Touch OK to allow the
GTN to update the GDL 88.
10. When the updates are finished, the GTN will display ‘Update Complete!’ When finished, turn the
GTN off (open the circuit breaker) and remove the Software loader card. Reinsert the database
card in the SD card slot.
11. Cycle power on the GDL 88 and ensure the software was updated correctly by going to the
‘System Information’ page on the GTN and select the GDL 88. The correct SW version should be
displayed.
5.4.6 System Information Page
The System Information page, shown in Figure 5-3, allows
information related to the system such as unit type, serial
number, system ID, and software versions to be viewed. To
access the System Information page, touch the System
Information key from the configuration mode home page.
System information for remote LRUs can also be viewed
from this page. To select a remote LRU, touch the key at the
top of the System Information page and select an LRU from
the menu. Select the GTN or other LRU to view applicable
LRU-specific system information.
Figure 5-3. System Information Page