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Garmin GSU 75B User Manual

Garmin GSU 75B
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 GSU 75B Specifications

General IconGeneral
BrandGarmin
ModelGSU 75B
CategoryAvionics Display
LanguageEnglish

Summary

1 GENERAL DESCRIPTION

1.2.1 GSU 75

Detailed description of the GSU 75 Air Data Attitude Heading Reference System.

1.2.2 GMU 44

Detailed description of the GMU 44 Magnetometer.

1.4 Technical Specifications

Covers environmental and physical characteristics of the units.

1.4.3 General Specifications

General operating and environmental specifications for the units.

1.5 Certification

Information regarding TSO/ETSO compliance and approvals.

1.6 Operating Instructions

How GSU 75 and GMU 44 operate and interface with display units.

2 INSTALLATION OVERVIEW

2.4 Additional Equipment Required

Lists cables, hardware, and fittings needed for installation.

2.11 Mounting Requirements

Specifies mounting requirements for GSU 75 and GMU 44.

2.11.1 GSU 75 Mounting

Details rigid mounting requirements for the GSU 75 unit.

2.11.2 GMU 44 Magnetometer Mounting

Specifies mounting location and orientation for the GMU 44.

3 INSTALLATION PROCEDURE

3.7 Mounting Instructions

General instructions for mounting the GSU 75 and GMU 44.

3.8 Post Installation Configuration and Checkout

Directs to Section 5 for post-installation configuration and checkout.

4 SYSTEM INTERCONNECTS

5 POST INSTALLATION, CONFIGURATION, AND CHECKOUT PROCEDURE

5.2 Post-Installation Calibration Procedures

Outlines necessary calibration steps before operating the system.

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

Procedure for compensating pitch/roll offsets using aircraft leveling.

5.4 Calibration Procedure A-2: Zero Pitch/Roll Offsets by Manual Entry

Alternative procedure for entering zero pitch/roll offsets manually.

5.5 Calibration Procedure B: Magnetometer Calibration

Procedure for calibrating the magnetometer at a magnetically clean site.

5.6 Calibration Procedure C: Heading Offset Compensation

Procedure for compensating heading offsets relative to aircraft alignment.

5.7 Calibration Procedure D: Engine Run-Up Vibration Test

Test to validate installation vibration characteristics.

5.8 Calibration Procedure E: Magnetometer Interference Test

Procedure to detect magnetic interference affecting the GMU 44.

5.9 Site Evaluation of Magnetic Disturbances for Magnetometer Calibration Procedure

Method to evaluate a site's suitability for magnetometer calibration.

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