Installation Instructions

190-01007-A3 GTN 6XX/7XX AML STC Installation Manual
Rev. 4 Page 5-77
NOTE
This setting should only be set to Enabled if the GTS 8XX is interfaced to the GDL 88
via Ethernet (HSDB) instead of ARINC 429 for traffic correlation. If the GTX 8XX is
interfaced to the GDL 88 using ARINC 429, select Disabled.
5.5.4.9.7 GDL 88 Diagnostics
The GDL 88 Diagnostics page is a useful tool for diagnosing issues and troubleshooting problems that
arise during installation. These pages are also used for the GDL 88 checkout procedures in the GDL 88
Part 23 AML STC Installation Manual which must be followed.
5.5.4.9.7.1 System Status
This page is the same as the Unit Information page in the GDL 88 Install Tool. The System Status page
displays device information including the serial number and software versions along with system
statistics. To access this page, touch External Systems
→ GDL 88 → Diagnostics → System Status.
5.5.4.9.7.2 Error Log
This page is the same as the Unit Assert Log page in the GDL 88 Install Tool. The Error Log page allows
the GDL 88 assert log to be saved to an SD card or cleared. To access this page, touch External Systems
→ GDL 88 → Diagnostics → Error Log.
5.5.4.9.7.3 Faults
This page contains a list of GDL 88 system faults and ADS-B faults. To access this page, touch External
Systems
→ GDL 88 → Diagnostics → Faults. A description of each fault and troubleshooting
procedures can be found in the GDL 88 STC Installation Manual, P/N 190-01310-00.
5.5.4.9.7.4 Discrete Inputs
The Discrete Inputs diagnostics page displays the state of each of the discrete input pins on the GDL 88.
To access this page, touch External Systems
→ GDL 88 → Diagnostics → Discrete Inputs.
5.5.4.9.7.5 Discrete Outputs
The Discrete Outputs diagnostics page allows the state of each of the discrete outputs to be toggled
between active and inactive. To access this page, touch External Systems
→ GDL 88 → Diagnostics →
Discrete Outputs.
5.5.4.9.7.6 GPS/SBAS Data
The GPS/SBAS Data page displays the WAAS engine information and PPS status information. For
GDL 88 units with an internal WAAS engine, this page allows the GDL 88 internal WAAS engine to be
reset. To access this page, touch External Systems
→ GDL 88 → Diagnostics → GPS/SBAS Data.
5.5.4.9.7.7 External Data
This page is the same as the Data Inputs page in the GDL 88 Install Tool. The External Data page
displays the data received on the GDL 88 from the other connected avionics. To access this page, touch
External Systems
→ GDL 88 → Diagnostics → External Data.