Installation Instructions

190-01007-A3 GTN 6XX/7XX AML STC Installation Manual
Rev. 4 Page 5-89
5.7 Ground Checks (Normal Mode)
For the following checks, cycle power on the GTN and power it up in normal mode.
5.7.1 Display of Self Test Data
Following normal power-up, the Database pages are displayed, followed by the Instrument Panel Self-
Test page. Touching Continue displays the Instrument Panel Self-Test page. During this time, the
electrical outputs are activated and set to the values listed below. Touch ‘Continue’ to acknowledge the
Instrument Panel Self-Test page. This is not a required check, although this page can be useful for
troubleshooting installation problems.
Table 5-64. Self Test Values
Parameter Self-Test Value
Course Deviation Half-scale left deviation, TO indication, flag pulled
Glideslope/Vert. Deviation Half-scale up deviation, flag pulled
Annunciators All On
Selected Course (OBS) The GTN displays the OBS value (149.5° if interfaced to an HSI
with driven course pointer).
Desired Track 149.5° (Displayed as 150°)
ITEMS BELOW ARE NOT DISPLAYED ON THE INSTRUMENT PANEL SELF-TEST PAGE
Distance to Go 10.0 nautical miles
Time to Go 4 minutes
Bearing to Waypoint (RMI) 135°
Active Waypoint “GARMN”
Groundspeed 150 knots
Present Position N 39°04.05’, W 94°53.86’
Waypoint Alert Active
Phase of Flight En Route
Message Alert Active
Leg/OBS Mode Leg Mode
GPS Integrity Invalid
Roll Steering (if applicable) Flight Director commands 0° bank (level flight) for 5 seconds;
commands increasing right bank at 1°/second for 5 seconds;
commands 5° right bank for 5 seconds; commands decreasing
right bank at 1°/second for 5 seconds, until command is 0° bank
again. This cycle repeats continuously.