Garmin GPS 400W, Installation Manual

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GNS 400W Series Installation Manual Page 5-33
190-00356-08 Rev. G
5.5 Ground Checks (Normal Mode)
Turn the 400W Series unit off and bring the unit back up in normal mode for the following checks.
5.5.1 Display of Self-Test Data
Following normal power-up, the Data Base Pages are displayed followed by the Instrument Panel Self-
Test Page. Pressing the ENT key once then displays the Instrument Panel Self-Test page
(see Figure 5-10). During this time, the electrical outputs are activated and set to the values listed below.
Press the ENT key to acknowledge the self test page. This is not a required check, although this page can
be useful in troubleshooting installation problems.
NOTE
Electronic displays which monitor the 400W Series unit‘s ARINC 429 output may vary
in how and where annunciations are displayed.
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
Bearing to Waypoint (RMI) 135°
Selected Course (OBS)
400W Series unit 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
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.