89000046-014 KSN 780/8XX/900 AeroNav AML STC Installation Manual for Helicopters
Rev 0 Page D-46
© Honeywell International Inc. Do not copy without express permission of Honeywell.
NOTES:
1. ALL WIRES TO BE 24 AWG MINIMUM UNLESS OTHERWISE SPECIFIED.
2. ALL GROUND CONNECTIONS SHOWN FOR THE GTX345 ARE TO BE CONNECTED TO SHIELD BLOCK
GROUND.
3. AT AERONAV UNIT, TERMINATE SHIELD GROUNDS TO THE CONNECTOR BACKSHELL OR USE CARD-EDGE
CONNECTOR TO TERMINATE SHIELD GROUNDS TO BACK PLATE – THE SHIELD LEADS MUST BE LESS THAN
3.0 INCHES. CONNECT OTHER SHIELD GROUNDS TO AIRCRAFT CHASSIS WITH AS SHORT A CONDUCTOR AS
PRACTICAL.
4. AUDIO INHIBIT MAY BE USED TO INHIBIT GTX-345 TIS-B ALERTS DURING AERONAV XXX FLTA AURAL
ANNUNCIATIONS. THIS DOES NOT AFFECT THE APPROVAL OF THE TIS-B FUNCTIONS OF THE GTX 345.
GTX345 AUDIO INHIBIT MAY BE DRIVEN BY AERONAV #1 OR AERONAV #2 IN DUAL AERONAV
INSTALLATIONS. AERONAV 780/800 UNITS DO NOT DRIVE AUDIO INHIBIT. IN AERONAV 780/800 UNITS
SIMULTAINEOUS TIS-B AND FLTA AURAL ANNUNCIATIONS ARE POSSIBLE (ADDRESSED IN AFMS).
5. AERONAV SERIAL PORTS (RS232 AND ARINC 429) OTHER THAN THE ONES SHOWN ABOVE MAY BE
SUBSTITUTED WITH APPROPRIATE UNIT SOFTWARE CONFIGURATION.
6. AERONAV FLTA FEATURE MUST BE DISABLED IF INSTALLED IN AIRCRAFT WITH APPROVED TAWS/EGPWS.
THIS IS ACCOMPLISHED BY SELECTING “Yes” FOR THE “External TAWS” OPTION IN THE CONFIG TAB OF
MAINTENANCE MODE.
7. CONFIGURE SELECTED POTS WITH THE FOLLOWING SETTINGS:
• If the GTX 345 has an internal GPS receiver, the RS 232 position output connection and configuration
setup is not required
• AERONAV XXX RS232 output setting: ADS-B+ (G2)… GTX 345 RS 232 input setting: ADS-B+FMT 2
• AERONAV XXX RS232 input setting: Capstone HS Wx …. GTX 345 RS 422 output setting:
Optimized Legacy ADS-B
• AERONAV XXX ARINC429 receive setting: GDL 88 Traffic at High Speed…. GTX 345 ARINC429
transmit setting: Traffic
• Minimum Software Versions Required: AERONAV XXX v10.2.1 or higher….GTX 345 v2.05 or higher
Figure D -37: GTX 345 Interconnect (con’t)
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