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Garmin 010-01127-20 User Manual

Garmin 010-01127-20
73 pages
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190-01639-00 May, 2017 Revision 6
GSU 75 ADAHRS
Installation Manual
340095
The document reference is online, please check the correspondence between the online documentation and the printed version.

Table of Contents

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Garmin 010-01127-20 Specifications

General IconGeneral
BrandGarmin
Model010-01127-20
CategoryAvionics Display
LanguageEnglish

Summary

Section 1 GENERAL DESCRIPTION

1.1 Introduction

Overview of the manual's purpose and scope for installing GSU 75 and GMU 44.

1.2 Equipment Description

Details the GSU 75 ADAHRS and GMU 44 Magnetometer functions and capabilities.

1.4 Technical Specifications

Outlines environmental, physical, and performance specifications for the GSU 75 and GMU 44.

Section 2 INSTALLATION OVERVIEW

2.1 Introduction

Provides an overview of hardware installation for GSU 75 ADAHRS and GMU 44 into aircraft.

2.4 Additional Equipment Required

Lists necessary cables, hardware, and air hoses for GSU 75 and GMU 44 installation.

2.6 Electrical Bonding

Specifies requirements for electrically bonding equipment, brackets, and racks to aircraft structure.

2.11 Mounting Requirements

Details specific instructions and considerations for rigid and accurate mounting of the GSU 75 unit.

Section 3 INSTALLATION PROCEDURE

3.2 Wiring Harness Installation

Guides on supplying and fabricating system cables and connectors for GSU 75 and GMU 44.

3.7 Mounting Instructions

Provides instructions for mounting the GMU 44 and GSU 75 units to their respective racks.

3.8 Post Installation Configuration and Checkout

Directs users to Section 5 for system configuration, calibration, and checkout after installation.

Section 4 SYSTEM INTERCONNECTS

4.1 Pin Function List

Details the pin assignments and I/O for the GSU 75 (J751) and GMU 44 (J441) connectors.

4.2 Power Functions

Explains aircraft power inputs, magnetometer power, and OAT probe power connections.

4.3 Data Interfaces

Describes various data interfaces including ARINC 429, RS-232, RS-422, and RS-485.

Section 5 POST INSTALLATION, CONFIGURATION, AND CHECKOUT PROCEDURE

5.2 Post-Installation Calibration Procedures

Outlines essential calibration procedures required before operating the GSU 75 and GMU 44.

5.3 Calibration Procedure A-1: Pitch/Roll Offset Compensation by Aircraft Leveling

Step-by-step guide for compensating pitch/roll offsets by leveling the aircraft.

5.5 Calibration Procedure B: Magnetometer Calibration

Procedure for calibrating the magnetometer at a site free of magnetic disturbances.

5.8 Calibration Procedure E: Magnetometer Interference Test

Test to validate that no electronic devices interfere with the GMU 44 magnetometer operation.

Appendix A ASSEMBLY AND INSTALLATION DRAWINGS

Appendix B INTERCONNECT DRAWING

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