Pilot's Guide
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250 real 7/14/98 9:31 AM Page i OWNER’S MANUAL & REFERENCE ACTV STBY GNC 250 CLR ENT CRSR SQ NRST RTE WPT NAV MSG GNC 250TM Pilot’s Guide ® 250 real 7/14/98 9:31 AM Page ii 250 real 7/14/98 9:31 AM Page i INTRODUCTION Foreword Software Version 2.06 or above © 1995 GARMIN International 9875 Widmer Road, Lenexa, KS 66215, USA Romsey House, Station Approach Romsey, Hampshire, UK S051 8DU GARMIN™, GNC 250™, Spell’N’Find™, AutoLocate™, MultiTrac8™, GPSCOM™ All rights reserved. No part of this manual may be reproduced or transmitted in any and AutoStore™ are trademarks of GARMIN form or by any means, electronic or mechanical, including photocopying and record- and may only be used with permission. ing, for any purpose without the express written permission of GARMIN. NavData® is a registered trademark of Jeppesen Sanderson, Inc. Information in this document is subject to change without notice. GARMIN reserves All rights reserved. the right to change or improve their products and to make changes in the content of this material without obligation to notify any person or organization of such changes or improvements. October 1995 190-00067-50 Rev. A Printed in USA i 250 real 7/14/98 9:31 AM Page ii INTRODUCTION Cautions CAUTION The Global Positioning System is operated by the United States government, which is solely responsible for its accuracy and maintenance. The system is subject to changes which could affect the accuracy and performance of all GPS equipment. Although the GARMIN GNC 250 is a precision electronic NAVigation AID (NAVAID), any NAVAID can be misused or misinterpreted and therefore become unsafe. NOTE: This device complies with Part 15 of the FCC limits for Class B digital devices. This equipment gener- ates, uses, and can radiate radio frequency energy and, if Use the GNC 250 at your own risk. To reduce the risk of unsafe operation, not installed and used in accordance with the instruc- carefully review and understand all aspects of this Owner’s Manual and thoroughly tions, may cause harmful interference to radio communi- cations. Furthermore, there is no guarantee that interfer- practice using the simulator mode prior to actual use. When in actual use, carefully ence will not occur in a particular installation. compare indications from the GNC 250 to all available navigation sources, including If this equipment does cause harmful interference, the the information from other NAVAIDS, visual sightings, charts, etc. For safety, always user is encouraged to try to correct the interference by relo- resolve any discrepancies before continuing navigation. cating the equipment or connecting the equipment to a dif- ferent circuit than the affected equipment. Consult an authorized dealer or other qualified avionics technician for The altitude calculated by the GNC 250 is geometric height above mean sea level additional help if these remedies do not correct the problem. and could vary significantly from altitude displayed by pressure altimeters in aircraft. Never use GPS altitude for vertical navigation. Operation of this device is subject to the following conditions: (1) This device may not cause harmful inter- ference, and (2) this device must accept any interference The Jeppesen database incorporated in the GNC 250 must be updated regularly received, including interference that may cause undesired in order to ensure that its information is current. Updates are released every 28 days. operation. A database information packet is included in your GNC 250 package. The GARMIN GNC 250 does not contain any user- serviceable parts. Repairs should only be made by an Pilots using an out-of-date database do so entirely at their own risk. authorized GARMIN service center. Unauthorized repairs or modifications could void your warranty and authority to operate this device under Part 15 regulations. ii 250 real 7/14/98 9:31 AM Page iii INTRODUCTION Accessories and Accessories & Packing List Packing List Congratulations on choosing the finest, most advanced panel mount VFR GPSCOM available. The GNC 250 represents GARMIN’s commitment to provide an accurate, easy-to-use GPS for all of your aviation needs. Before installing and getting started with your unit, please check to see that your package includes the following items. If any parts are missing or damaged, please see your GARMIN dealer immediately. Standard Package: To obtain accessories for your GNC 250, please contact your nearest GARMIN dealer. • GNC 250 unit & NavData® Card • Installation Rack & Connectors • Pilot’s Guide & Quick Reference Guide • Database Subscription Packet • Warranty Registration Card Optional Accessories • Remote Battery Pack • AC Adapter • PC 250 Interface Kit • User Data Card • 28 to 14 volt DC converter iii 250 real 7/14/98 9:31 AM Page iv INTRODUCTION Warranty Every GARMIN GPS is built to exacting standards to provide years of trouble-free service. GARMIN warrants this product to be free from defects in materials and workmanship for one year from the date of purchase. GARMIN International, Inc. will at its sole option, repair or replace any components which fail in normal use. Such repairs or replacement will be made at no charge to the customer for parts or labor. The customer is, how- To obtain warranty service, see your local ever, responsible for any transportation costs. This warranty does not cover dealer or call the GARMIN Customer Service failures due to abuse, misuse, accident or unauthorized alteration or repairs. department for a returned merchandise GARMIN International, Inc. assumes no responsibility for special, incidental, tracking number. The unit should be securely punitive or consequential damages, or loss of use. packaged with the tracking number clearly marked on the outside of the package, and sent freight prepaid and insured to a THE WARRANTIES AND REMEDIES CONTAINED HEREIN ARE GARMIN authorized warranty service EXCLUSIVE, AND IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR facility. IMPLIED, INCLUDING ANY LIABILITY ARISING UNDER WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, STATUTORY OR OTHERWISE. THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS, WHICH MAY VARY FROM STATE TO STATE. iv 250 real 7/14/98 9:31 AM Page v INTRODUCTION PART ONE: INTRODUCTION Table of Contents Foreword . .i Cautions . .ii Accessories/Packing List . .iii Capabilities . .iv Table of Contents . .v-vi Key and Knob Functions . .vii-viii GNC 250 Takeoff Tour . .1-8 PART TWO: REFERENCE Section 1: Navigation with the GNC 250 ( N key) . .9 Navigating and planning functions Section 2: Communicating with the GNC 250 . .29 Using the GNC 250’s radio To quickly and easily locate information on specific tasks, please refer to the Index Section 3: Waypoint and Database Information ( W key) . .33 on page 97. Finding and using database and waypoint information Section 4: Nearest Waypoints ( T key) . .53 Finding nearest waypoints, SUAs and FSS frequencies Section 5: Direct-to & Route Navigation ( R key) . .58 Creating and using routes v 250 real 7/14/98 9:31 AM Page vi INTRODUCTION Table of Contents Section 6: Messages and Unit Settings ( M key) . .71 Appendix A: NavData® and User Data Card Use . .81 Appendix B: Installation and Maintenance of the GNC 250 . .83 Appendix C: Simulator . .84 Appendix D: GNC 250 Abbreviations and Messages . .86 Appendix E: Specifications . .94 Appendix F: Map Datums . .95 Appendix G: Index . .97 GARMIN is fully committed to your satisfaction as a customer. If you have any questions regarding the GNC 250, please contact our customer service department at: GARMIN International, Inc. 9875 Widmer Rd. Lenexa, KS 66215-1239 (913) 599-1515 FAX (913) 599-2377 vi 250 real 7/14/98 9:31 AM Page vii INTRODUCTION Key and Knob Key and Knob Functions Functions B The power/volume knob controls unit power and radio volume. Q The squelch button activates automatic squelch control. D The direct-to key performs an instant direct-to, allows you to enter a waypoint, and sets a direct course to the destination. The GNC 250 is designed to minimize key- The nearest key is used to obtain information on the 9 nearest airports, strokes when performing operations. There are T VORs, NDBs, intersections, user waypoints and 2 nearest FSSs. typically several ways to perform the same oper- The nearest key also accesses any active SUA information. ation. In general, using the knobs will decrease keystrokes and time spent using the GNC 250. See Section 4 for more information on the nearest waypoints. Experiment to find the most effective way to use the GNC 250 to your advantage. The route key enables you to create, edit, activate and invert routes. Search- R and-rescue, parallel offset and closest point of approach are also performed using the route key. See Section 5 for more information on routes. The waypoint key is used to view information such as runways, frequen- W cies, position and comments on airports, VORs, NDBs, intersections and user waypoints. See Section 3 for more information on the database. The navigation key is used to view navigation and position information. N Planning operations are also performed using the N key. See Section 1 for more information on navigation and planning operations. vii 250 real 7/14/98 9:31 AM Page viii INTRODUCTION The message key is used to view system messages. The M key is also Key and Knob M Functions used to access the GNC 250’s unit settings. See Section 6 for more infor- mation on messages and unit settings. @ The transfer key flip-flops the active and standby frequencies. \ The clear key is used to erase information or cancel an entry. This manual will describe entering data using the E The enter key is used to approve an operation or complete data entry. K and O knobs.