Garmin GI 275 Installation Manual page 351

NOTES
THE WIRING SUPPLIED WITH THE GTP 59 MAY BE EXTENDED IF THE SUPPLIED WIRE LENGTH IS NOT
1
SUFFICIENT FOR A PARTICULAR INSTALLATION.
THE GMU MUST BE CONNECTED TO RS-232 PORT 1 OR PORT 2 ONLY (CONNECTOR 1 ON THE MAIN
2
BOARD).
THE GMU 11 IS RESTRICTED TO CLASS I & II AIRCRAFT.
3
WHEN THE GI 275 IS NOT THE PRIMARY HEADING INDICATOR, AN ARINC 429 INPUT FOR HEADING MAY BE
UTILIZED IN CLASS I - III AIRCRAFT FOR SUPPLEMENTAL DISPLAY/USE OF HEADING. THIS MUST BE
4
SOURCED FROM THE AIRCRAFT HEADING SOURCE WHICH MUST BE AN FAA APPROVED OR TSO-C201
APPROVED SYSTEM CAPABLE OF PROVIDING ARINC 429 LABEL 320 FOR MAGNETIC HEADING.
THE GI 275 HAS THE CAPABILITY TO CONSUME THE MAGNETIC HEADING DATA FROM THE SOURCE
CONFIGURED AS AHRS #1 IF THAT SOURCE HAS MAGNETIC HEADING DATA AVAILABLE. CONFIGURE
5
AHRS #2 OR #3 MAGNETIC HEADING INTERFACE FOR "PRIMARY" TO PROVIDE MAGNETIC HEADING DATA
FROM AHRS #1.
190-02246-10
Rev. 11
Figure B-2 Attitude and Air Data Interconnect
Sheet 2 of 2
GI 275 Part 23 AML STC Installation Manual
Page B-6