Installation Instructions

190-01007-A3 GTN 6XX/7XX AML STC Installation Manual
Rev. 4 Page 5-41
5.5.3.6 Main Indicator (Analog)
The Main Indicator diagnostics page allows the CDI connected to the main board (P1001) to be ground
checked and allows the interface to be verified. For the Main Indicator checkout procedure, see
Section 5.6.1.
5.5.3.7 Analog Inputs
The analog inputs diagnostics page displays the bus voltage setting for Lighting Bus 1 and Lighting Bus 2
as well is the input voltage setting for each bus. It also displays synchro heading input diagnostics
information such as heading angle, heading valid status, AC voltage, and AC frequency.
5.5.3.8 Power Stats
The power statistics page displays the number of times the GTN has powered up as well as the total
elapsed operating hours for the GTN.
5.5.3.9 WAAS Diagnostics
The WAAS diagnostics page displays the WAAS engine status, including UTC date/time, current
Lat/Lon, overall navigation status, oscillator temperature, and AGC voltage. This page also allows the
GPS/SBAS engine to be reset.
5.5.3.10 Temps
The Temps diagnostics page displays the current, minimum, maximum, and average board temperatures
for the LED Board, Main Board, Display Interface Board, GPS/SBAS Board, and COM Board.
5.5.3.11 Error Log
The Error log diagnostics page allows the error log to be written to the SD card in the front slot. It also
allows the error log to be cleared.
5.5.3.12 Main Data Inputs
The Main Data Inputs page allows the data on ARINC 429, RS-232, and other electrical inputs to be
monitored. This is used for verifying electrical interfaces during installation and troubleshooting.
Information that is not being received by the GTN is dashed out. The data displayed is prioritized
according to the scheme outlined in Section 2.4.2 if the data is being received on multiple inputs. See
Section 5.6.10 for checkout procedure utilizing this page.
5.5.3.13 VOR/ILS Indicator (Analog)
The VOR/ILS Indicator diagnostics page allows the CDI connected to the NAV board (P1004) to be
ground checked and allows the NAV indicator interface to be verified. See Section 5.6.2 for the ground
check.
5.5.3.14 Clear Config Module
CAUTION
This key should only be touched if the intent is to clear all configuration settings.
Touching the Clear Config Module key opens a confirmation window to reset all of the
settings stored in the configuration module to their defaults.