Garmin GDL 88 Series Pilots Guide - Page 45

8-1

190-01122-03

Rev. E

Garmin GDL 84/88 ADS-B Transceiver Pilot’s Guide

8

APPENDIX

8.1

Troubleshooting

If efforts to resolve the problem fail, contact your dealer or customer service

for technical assistance.

Please have the following information ready:

• System configuration (products, antennas, mounting locations, etc.)

• Model No., part number, and serial number

• Software versions

• Description of the problem

• Efforts made to isolate/solve the problem

Garmin International, Inc.

Aviation Products Customer Service Department

1200 East 151st Street

Olathe, KS 66062-3426

USA

1-866-739-5687

https://fly.garmin.com/fly-garmin

8.2

Servicing Your Unit

The Garmin GDL 84/88 has no user-serviceable parts. Should you ever

encounter a problem with your unit, take it to an authorized Garmin dealer for

repairs, or contact Garmin Product Support at 1-866-739-5687.

The GDL 84/88 is sealed to protect the unit. Any attempt to open the case

to change or modify the unit in any way voids your warranty and may result in

permanent damage to the equipment.

8.3

Contact Garmin

Contact Garmin if you have any questions while using your GDL 84/88. In the

USA, contact Garmin Product Support by phone: (913) 397-8200 or (866) 739-

5687, Monday–Friday, 7 AM–7 PM Central Time; or go to:

https://fly.garmin.com/fly-garmin/support.

In Europe, contact Garmin (Europe) Ltd. at +44 (0) 870.8501241 (outside the

UK) or 0808 2380000 (within the UK).

Section	Page
Cover	1
Table of Contents	7
1 Introduction	9
1.1 GDL 84/88 System Functions	9
1.1.1 GDL 84 Functions	9
1.1.2 GDL 88 Functions	10
2 ADS-B System Overview	11
2.1 Automatic Dependent Surveillance – Broadcast (ADS-B)	12
2.2 Automatic Dependent Surveillance – Rebroadcast (ADS-R)	13
2.3 Traffic Information Service - Broadcast (TIS-B)	14
2.4 Flight Information Service – Broadcast (FIS-B)	15
3 ADS-B Out	17
3.1 ADS-B Out Data	17
3.2 Self-Interrogation	18
3.3 Pressure Altitude Broadcast Inhibit (PABI)	18
3.4 Anonymous Mode	19
3.5 Air/Ground Determination	19
4 ADS-B IN	21
4.1 ADS-B In Data	21
4.2 Traffic	22
4.2.1 Traffic Applications – SURF, AIRB, etc	22
4.2.1.1 On Scene Mode (Helicopter Installations Only)	24
4.2.1.2 Airport Area Alerting	24
4.2.1.3 Rotorcraft Installations with No Source of Heading Data	24
4.2.2 GDL 88 Integration with TCAD/TAS/TCAS I	25
4.2.3 No-Heading Source Traffic Information	26
4.2.4 Conflict Situational Awareness (CSA)	26
5 Weather	29
5.1 FIS-B NEXRAD	30
5.1.1 NEXRAD Abnormalities	31
5.1.2 NEXRAD Limitations	31
5.1.3 NEXRAD	32
5.2 FIS-B TFRs	33
5.3 FIS-B METARs	34
5.4 FIS-B PIREPs	35
5.5 FIS-B Winds and Temperatures Aloft	35
5.6 SIGMETs and AIRMETs	35
6 Installation configurations	37
6.1 Installation Configurations	37
6.1.1 GDL 88 with ADS-B Out Transmission Enabled	37
6.1.2 GDL 88 with ADS-B Out Transmission Disabled	37
6.1.3 GDL 84/88 Only – No Display	37
6.1.4 External ADS-B Annunciator	37
6.2 Interfaces	39
6.2.1 Audio Panel	39
6.2.2 Altitude Source	39
6.2.3 Heading Source (optional)	39
6.2.4 GPS Position Source	39
6.2.5 Radar Altimeter (Optional)	39
6.2.6 Traffic Mute (Optional)	39
6.2.7 Flight Stream Interface (Optional)	40
7 Glossary	41
8 Appendix	45
8.1 Troubleshooting	45
8.2 Servicing Your Unit	45
8.3 Contact Garmin	45
8.4 Software License Agreement	46
8.5 LIMITED WARRANTY	47

Garmin GDL 88 Series Pilots Guide - Page 45

Appendix

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