Garmin GPS 120XL Owner's Manual

Also see for GPS 120XL: Quick reference guide Quick reference guide

Contents

Garmin GPS 120XL Owner's Manual Manual pdf 9 page image

Getting Started with your GPSWelcome to the exciting world of GARMIN GPS!The GPS 120XL represents GARMIN’s continuing com-mitment to provide marine users with quality naviga-tion information in a versatile, user-friendly design theywill enjoy for years to come. To get the most out ofyour GPS receiver, be sure to read through the initial-ization and Getting Started sections of this manual, andrefer to the reference section for complete details onthe GPS 120XL’s advanced features.Initializing Your GPS for First-Time UseThe first time you power up your new GPS 120XLis an important step in getting the best possible futureGPS performance.Because a GPS receiver can only receive signalsfrom satellites above the horizon, it needs to knowwhat satellites to look for at any given time. By usingan almanac (a timetable of satellite numbers and theirorbits) stored in the receiver’s memory, the GPS 120XLcan determine the distance and position of any GPSsatellite and then use this information to determineyour position.To obtain this almanac data, your GPS receiverneeds to be initialized -- or given the opportunity to“find itself”-- the very first time it is turned on. Onceyou have initialized the unit, the GPS 120XL will com-pute future fixes more rapidly, usually in a fewminutes.Remember that initializing the unit is only neces-sary under the following conditions:• First-time use from the factory• If the receiver has been moved over 500 milesfrom the last calculated position with power off• If the receiver’s memory has been cleared and allstored data has been lost5Welcome PageThe welcome page willappear as soon as the GPS120XL is turned on andremain while the unit con-ducts a brief self-test.GETTINGSTARTEDInitialization