Garmin GDL 82 User manual

190-01810-10 December 2017 Revision 1
GDL 82
Mooney M20( ) Series
STC Installation Manual

GDL 82 Mooney M20( ) Series STC Installation Manual 190-01810-10
Rev. 1
Page i
©2017 Garmin International or its subsidiaries
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GDL 82 Mooney M20( ) Series STC Installation Manual 190-01810-10
Rev. 1
Page ii
RECORD OF REVISIONS
Revision
Revision Date
Description
1
12-12-2017
Initial Release

GDL 82 Mooney M20( ) Series STC Installation Manual 190-01810-10
Rev. 1
Page iii
INFORMATION SUBJECT TO EXPORT CONTROL LAWS
This document may contain information which is subject to the Export Administration Regulations
(“EAR”) issued by the United States Department of Commerce (15 CFR, Chapter VII, Subchapter C)
and which may not be exported, released, or disclosed to foreign nationals inside oroutside of the United
States without first obtaining an export license. A violation of the EAR may be subject to a penalty of
up to 10 years imprisonment and a fine of up to $1,000,000 under Section 2410 of the Export
Administration Act of 1979. Include this notice with any reproduced portion of this document.
DEFINITIONS OF WARNINGS, CAUTIONS, AND NOTES
WARNING
This product, its packaging, and its components contain chemicals known to the State of
California to cause cancer, birth defects, or reproductive harm. This notice is being provided in
accordance with California's Proposition 65. If you have any questions or would like additional
information, please refer to our web site at www.garmin.com/prop65.
NOTE
All screen shots used in this document are current at the time of publication. Screen shots are
intended to provide visual reference only. All information depicted in screen shots, including
software file names, versions, and part numbers, is subject to change and may not be up to date.
WARNING
Warnings indicates that personal injury or death is possible if the
instructions are not obeyed.
CAUTION
Cautions are used to alert that damage to equipment may result if the
procedural step is not followed.
NOTE
Notes provide further information about preceding steps and/or reasons for
the particular operation.

GDL 82 Mooney M20( ) Series STC Installation Manual 190-01810-10
Rev. 1
Page iv
TABLE OF CONTENTS
Section Page
1DESCRIPTION .......................................................................................................................................1
1.1 References........................................................................................................................................2
1.2 System Overview.............................................................................................................................3
1.3 Technical Specifications..................................................................................................................4
2LIMITATIONS........................................................................................................................................6
2.1 Installation Limitations....................................................................................................................6
2.2 OperationalLimitations....................................................................................................................6
3OVERVIEW............................................................................................................................................7
3.1 Garmin Supplied Materials..............................................................................................................9
3.2 Test Equipment................................................................................................................................ 9
3.3 Pre-Installation: Existing Transponder System Check ..................................................................10
3.4 Antennas ........................................................................................................................................12
3.5 Electrical Load Analysis................................................................................................................ 16
4INSTALLATION .................................................................................................................................. 22
4.1 GDL 82 Unit Installation...............................................................................................................23
4.2 Circuit Protection...........................................................................................................................26
4.3 ADS-B Out Fail Annunciator and Anonymous Mode Switch....................................................... 27
4.4 Electrical........................................................................................................................................29
5SYSTEM CONFIGURATION AND CHECKOUT .............................................................................36
5.1 Mounting, Wiring and Power Checks............................................................................................36
5.2 GDL 82 Configuration...................................................................................................................36
5.3 Ground Checks (Configuration Mode)..........................................................................................40
5.4 Ground Checks (Normal Mode) ....................................................................................................43
6RETURN TO SERVICE .......................................................................................................................47
6.1 Instructions for Continued Airworthiness (ICA) ...........................................................................47
6.2 Aircraft Weight and Balance .........................................................................................................47
6.3 Airplane Flight Manual Supplement (AFMS)...............................................................................49