GPS 175 GNC 355/355A GNX 375

GPS 175GNC 355/355AGNX 375Pilot's Guide

2019Garmin International, Inc., or its subsidiariesAll Rights ReservedExcept as expressly provided herein, no part of this manual may be reproduced, copied,transmitted, disseminated, downloaded or stored in any storage medium, for any purposewithout the express prior written consent of Garmin. Garmin hereby grants permission todownload a single copy of this manual and of any revision to this manual onto a hard drive orother electronic storage medium to be viewed and to print one copy of this manual or of anyrevision hereto, provided that such electronic or printed copy of this manual or revision mustcontain the complete text of this copyright notice and provided further that any unauthorizedcommercial distribution of this manual or any revision hereto is strictly prohibited.This manual reflects the operation of system software v3.00. Some differences in operationmay be observed when comparing the information in this manual to later software versions.All other marks and logos are property of their respective owners. All rights reserved. Garmin and SafeTaxi are registered trademarks of Garmin International or its subsidiaries. Connext ,Garmin Pilot , G3X Touch , and Smart Airspace are trademarks of Garmin International orits subsidiaries. These trademarks may not be used without the express permission of Garmin.The Bluetooth word mark and logos are registered trademarks owned by Bluetooth SIG, Inc.and any use of such marks by Garmin is under license. Other trademarks and trade names arethose of their respective owners. 2019 SD is a registered trademark of SD-3C, LLC. All rights reserved.The term Wi-Fi is a registered trademark of the Wi-Fi Alliance .For information regarding the Aviation Limited Warranty, refer to Garmin’s website.For aviation product support, visit flyGarmin.com.SOFTWARE LICENSE AGREEMENTBY USING THE DEVICE, COMPONENT OR SYSTEM MANUFACTURED OR SOLD BY GARMIN("THE GARMIN PRODUCT"), YOU AGREE TO BE BOUND BY THE TERMS AND CONDITIONS OFTHE FOLLOWING SOFTWARE LICENSE AGREEMENT. PLEASE READ THIS AGREEMENTCAREFULLY. Garmin Ltd. and its subsidiaries ("Garmin") grants you a limited license to use thesoftware embedded in the Garmin Product (the "Software") in binary executable form in thenormal operation of the Garmin Product. Title, ownership rights, and intellectual property rightsin and to the Software remain with Garmin and/or its third-party providers. You acknowledgethat the Software is the property of Garmin and/or its third-party providers and is protectedunder the United States of America copyright laws and international copyright treaties. Youfurther acknowledge that the structure, organization, and code of the Software are valuabletrade secrets of Garmin and/or its third-party providers and that the Software in source codeform remains a valuable trade secret of Garmin and/or its third-party providers. You agree notto reproduce, decompile, disassemble, modify, reverse assemble, reverse engineer, or reduce tohuman readable form the Software or any part thereof or create any derivative works based onthe Software. You agree not to export or re-export the Software to any country in violation ofthe export control laws of the United States of America.

Table of Contents1 SYSTEM AT A GLANCE . 1-1Overview .1-21.1 Display Layout . 1-31.2 Unit Functions . 1-4Pilot Interface .1-51.3 Unit Power . 1-51.3.1 Instrument Test . 1-51.3.2 Power Off . 1-51.4 SD Card Slot . 1-61.5 Touchscreen . 1-71.5.1 Keys . 1-81.5.2 Menus . 1-91.5.3 Tabs . 1-101.5.4 Keypads . 1-101.6 Control Knobs . 1-111.6.1 Knob Functions . 1-111.6.2 Knob Function Indicators . 1-121.6.3 Screen Captures . 1-121.7 Color Conventions . 1-13Compatible Equipment .1-141.8 Line Replaceable Units . 1-141.8.1 ADC & AHRS . 1-141.8.2 Altitude Encoder . 1-151.8.3 ADS-B In Data . 1-152 GET STARTED . 2-1Databases .2-22.1 Database Effective Cycles . 2-32.2 Active and Standby Databases . 2-42.3 Manual Updates . 2-52.3.1 Database Updates Page . 2-52.4 Automatic Updates . 2-82.5 Database Concierge . 2-92.5.1 Wi-Fi Setup . 2-11Connectivity .2-122.6 Connext Setup . 2-122.7 Bluetooth Setup . 2-132.7.1 Enabling Bluetooth Functionality . 2-132.7.2 Managing Paired Devices . 2-142.7.3 Importing a Flight Plan . 2-14COM .2-152.8 COM Standby Control Panel . 2-152.9 COM Radio Setup . 2-172.9.1 Channel Spacing . 2-182.9.2 Reverse Frequency Look-up . 2-192.9.3 Sidetone Volume Offset . 2-202.10 Tuning & Monitoring . 2-212.10.1 COM/Standby Frequency Key . 2-212.10.2 Direct Tuning . 2-222.10.3 Transfer Frequency to Active (Flip-Flop) . 2-24190-02488-01 Rev. 1Pilot’s Guidei

Table of Contents2.10.4 Monitor Mode . 2-252.11 Frequency Selection . 2-262.11.1 Search Tabs . 2-262.11.2 Remote Frequency Selection . 2-282.11.3 Emergency Frequency . 2-282.12 Create User Frequencies . 2-292.13 COM Alert . 2-312.13.1 Stuck Microphone . 2-31XPDR .2-322.14 XPDR Control Panel . 2-322.15 XPDR Setup . 2-332.15.1 Displaying Data . 2-332.15.2 Enabling Extended Squitter Transmissions . 2-332.15.3 Assigning a Flight ID . 2-332.16 XPDR Modes . 2-342.17 Squawk Code Keys . 2-352.17.1 VFR . 2-352.17.2 XPDR Key . 2-352.18 Remote Control . 2-372.19 XPDR Alert . 2-37ADS-B Altitude Reporting .2-382.20 ADS-B Control Panel . 2-382.20.1 ADS-B Key . 2-392.20.2 Enabling Anonymous Mode . 2-392.20.3 Assigning a Flight ID . 2-402.21 GDL 88 Alert . 2-40Pilot Settings .2-412.22 CDI Scale . 2-412.22.1 Horizontal Alarm Limits . 2-422.22.2 CDI On Screen . 2-432.23 Airport Runway Criteria . 2-442.23.1 Runway Surface . 2-442.23.2 Minimum Runway Length . 2-442.24 Clocks & Timers . 2-452.24.1 Timers . 2-452.24.2 Clock . 2-452.25 Page Shortcuts . 2-462.26 Alerts Settings . 2-472.27 Unit Selections . 2-482.28 Display Brightness Control . 2-492.28.1 Automatic Brightness Control . 2-492.28.2 Manual Brightness Control . 2-492.29 Scheduled Messages . 2-502.29.1 Message Types . 2-502.29.2 Modifying Scheduled Messages . 2-50Status Indications .2-512.30 Alert Types . 2-512.30.1 Alert Annunciations . 2-522.30.2 Pop-up Alerts . 2-53iiPilot’s Guide190-02488-01 Rev. 1

Table of Contents2.30.3 Aural Alerts . 2-532.31 System Status . 2-542.32 GPS Status . 2-542.32.1 Circle of Uncertainty . 2-562.32.2 SBAS Providers . 2-572.32.3 GPS Status Annunciations . 2-572.32.4 GPS Alerts . 2-582.33 ADS-B Status . 2-59Logs .2-602.34 Export to SD Card . 2-603 NAVIGATION . 3-1Map .3-33.1 Map Setup . 3-63.1.1 Configure User Fields . 3-73.1.2 Map Orientation . 3-83.1.3 North Up Above . 3-93.1.4 Visual Approach . 3-93.1.5 TOPO Scale . 3-93.1.6 Range Ring . 3-103.1.7 Track Vector . 3-103.1.8 Ahead View . 3-103.1.9 Map Detail . 3-113.2 Map Interactions . 3-133.2.1 Basic Interactions . 3-133.2.2 Graphical Flight Plan Editing . 3-153.3 Map Overlays . 3-193.3.1 Overlay Controls . 3-193.3.2 Overlay Status Icons . 3-223.3.3 Smart Airspace . 3-233.3.4 SafeTaxi . 3-24Active Flight Plan .3-263.4 Collapse All Airways . 3-283.5 OBS . 3-283.6 Dead Reckoning . 3-303.7 Parallel Track . 3-313.8 Edit Data Fields . 3-333.9 Flight Plan Catalog . 3-333.9.1 Catalog Route Options . 3-343.10 Create a Flight Plan . 3-363.10.1 Flight Plan Waypoint Options . 3-373.11 Flight Plan Map Overlay . 3-383.12 GPS NAV Status . 3-39Direct To .3-403.13 Direct To Basics . 3-403.13.1 Direct To Search Tabs . 3-403.13.2 Direct To Activation . 3-413.13.3 Navigating Direct To . 3-423.13.4 Removing a Direct-to Course . 3-433.13.5 User Holds . 3-44190-02488-01 Rev. 1Pilot’s Guideiii

Table of ContentsWaypoints .

Garmin Ltd. and its subsidiaries ("Garmin") grants you a limited license to use the software embedded in the Garmin Product (the "Software") in binary executable form in the normal operation of the Garmin Product. Title, ownership rights, and intellectual property rights in and to the Software remain with Garmin and/or its third-party providers.