Garmin GPS 38 User Manual

Owner’s Manual &ReferenceGPS3 8PersonalNavigator®GPS 38 Man Rev B 7/23/98 4:31 PM Page 1

6Acquiring Satellite SignalsBecause the GPS 38 relies on satellite signals to provideyou with navigation guidance, the receiver needs to have anunobst

Before You InitializeTake the GPS 38 outside and find a large, open area (trya nearby park) that has a clear view of the sky from horizonto horizon. H

8To initialize the receiver:1. If the ‘country’ option is not highlighted, press theDkeyrepeatedly to move the field highlight to the ‘country’option.

Getting Started TourNow that your GPS has been initialized, it’s time to takea tour through the GPS 38’s basic features and functions.The tour assumes

The Satellite Page shows a bird’s eye view of the posi-tion of each satellite relative to the unit’s last known posi-tion. The outer circle represents

Marking a PositionNow that you’ve acquired a position, let’s mark it as awaypoint for future reference.1. Press the Mkey to capture and hold your posi

Using the Position and Map PagesNow that you’ve marked a position, it’s time to take offon a brisk walk, using the position and Map Pages to watchyour

Going To a WaypointOnce you’ve stored a waypoint in memory, you can usethe GPS 38 to guide you to it by performing a simpleGOTO. A GOTO is really noth

The middle of the Compass Page features a rotating “com-pass” that shows your current heading while you’re moving ,with a pointer arrow to the destina

15Scrolling Through the Primary PagesNow that you’ve arrived ‘HOME’, let’s take a minute tosee how the GPS 38’s primary pages work together. T h eGPS

Software Version 3.0 or above© 1997 GARMINCorporation1200 E. 151st Street, Olathe, KS USA 66062Tel: 913-397-8200 or 800-800-1020Fax: 913-397-8282Web S

Clearing A Cluttered MapAfter you’ve used the GPS38 for a few trips, you mayfind that your map display has become a bit messy fromkeeping track of you

Satellite PageThe GPS 38 Satellite Page displays the status of variousreceiver functions. The status information will help youunderstand what the GPS

Receiver Status & EPEReceiver status is indicated at the top left of the screen,with the current horizontal accuracy (estimated positionerror, in

19Battery Level IndicatorThe Satellite Page also features a battery level indicator,located below the status field to the left of the sky view,which p

Position PageThe GPS 38’s Position Page shows you where you are,what direction you’re heading and how fast you are going(up to 99.9 mph), and is most

Marking And Saving WaypointsKnowing your present position is only part of any navi-gation equation. You also need to keep track of whereyou’ve been an

Waypoint SubmenusThe GPS 38 has three waypoint submenu Pages that letyou manage a large number of waypoints quickly and effi-ciently. The nearest wayp

Waypoint List PageThe waypoint list page provides you with a completelist of all waypoints currently stored in the GPS 38. Thetotal number of used and

Waypoint Definition PageThe last of the three waypoint management pages is thewaypoint definition page. This page lets you create newwaypoints manuall

25Reference WaypointsTo create a new waypoint manually without knowing itsposition coordinates, you’ll need to enter its bearing anddistance from an e

iGPS 38Personal NavigatorTMOWNER’S MANUALWelcome to the smallest, easiest-to-use GPS navigator for recreational use!The GPS 38 represents GARMIN’s con

Editing Existing WaypointsThe waypoint definition page also allows you to reviewand change a stored waypoint’s name, coordinates, com-ment or referenc

To rename a stored waypoint:1. Highlight the ‘RENAME?’ field and press E.2. Enter the new waypoint name and press E.3. Press the Ekey to confirm your

Selecting a GOTO DestinationThe GPS 38 provides four ways to navigate to a destina-tion: GOTO, MOB, TracBack and route navigation. Themost basic metho

TracBack NavigationThe third method of navigating to a destination is byusing the GPS 38’s TracBack feature. The TracBack functionallows you to quickl

Tips on Creating and Using the TracBack FeatureThe GPS 38’s TracBack feature is designed to help youquickly create and activate a route that follows y

Creating and Navigating RoutesThe last form of navigating to a destination with theGPS 38 is by creating a user-defined route. The route navi-gation f

32Route Definition PageThe GPS 38 lets you create and store up to 20 routes of30 waypoints each. Routes are created, copied, and editedthrough the rou

To create a route from the route definition page:1. Highlight the route number field and press E.2. Enter a route number and press the Ekey to confirm

Clearing a Route (continued)The clear route warning will appear, asking you to con-firm that you want to remove all waypoints from the route.1. Highli

Active Route PageOnce a route has been activated, the active route pagewill appear, displaying the waypoint sequence of your routewith the estimated t

iiCAUTIONThe GPS system is operated by the government of the United States,which is solely responsible for its accuracy and maintenance. The system is

Editing Routes (continued)An on-screen menu of editing choices will appear, withoptions for reviewing, inserting, deleting or changing thewaypoint fie

User-defined Navigation PagesOnce you’ve selected a GOTO destination or activate aMOB or route, the GPS 38 will provide graphic steeringguidance to th

Using the Compass PageThe GPS 38’s Compass Page provides graphic steeringguidance to a destination waypoint. The bearing (BRG) anddistance (DST) to th

Using the Highway PageThe GPS 38’s Highway Page also provides graphic steer-ing guidance to a destination, with a greater emphasis onthe straight line

40Map PageThe GPS 38 features a powerful real-time moving mapthat can do much more than just plot your course androute. The Map Page also provides you

Zooming and PanningThere are three main functions you can perform fromthe Map Page— zooming, pointing and panning. Each ofthese functions has its own

To go to a waypoint highlighted in the map field:1. Press the Gkey.2. Press the Ekey to confirm the GOTOwaypoint page.To stop the panning function and

43Using the Cursor to Mark and GOTO WaypointsDuring panning, the crosshair represents a target posi-tion right on the moving map, with the range and b

Menu PageThe GPS 38 Menu Page provides access to submenupages that are used to select and customize operation andnavigation setup. The 11 submenus are

System SetupThe first setup page is the system setup page, which isused to select the operating mode, time offset and screenpreferences. The GPS 38 ha

1SECTION ONE IntroductionGPS Overview/Navigation Basics . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3Battery Installation . . . . . .

Time FormatThe time display shown on the system setup andPosition Pages may be set to display the time in a 12 or 24hour format.To select the time for

Navigation SetupThe navigation setup page is used to select units ofmeasurement for position format, map datum, CDI scale,and distance, speed, and hea

Units of MeasureThe GPS 38 lets you select statute (default), nautical ormetric units of measure for all speed and distance fields.To change the unit

Selecting Displayed Items on the Map PageThe rest of the map setup page lets you specify whatitems are displayed or plotted on the Map Page. The first

Track Log Setup (continued)To turn the track log on or off:1. Highlight the ‘RECORD’ field and press E.2. Select ‘Yes’ or ‘No’ and press E. NOTE: Turn

Interface SetupThe GPS 38’s interface setup page lets you specify theinterfacing formats for connecting external devices. Thereare five interface opti

DGPS Interface (continued)The RTCM/NMEA selection controls the GARMIN GBR-21 differential beacon receiver. Once a RTCM setting hasbeen selected, the G

Navigation SimulatorThe GPS 38’s simulator mode lets you practice allaspects of its operation without active satellite acquisition.You can also plan a

54Active WPT Can’t be Deletd—You have attempted to change the “active to”or “active from” waypoint. Clear the active route or GOTO before making yourc

55Route Waypoint was Deleted—A route waypoint entered does not exist inthe database and has been deleted from the route. RTCM Input has Failed—DGPS da

2The GPS 38 is a powerful navigation tool that can guideyou anywhere in the world. To better understand its opera-tion and capabilities, it may be hel

APPENDIX BMap Datums56Adindan Adindan- Ethiopia, Mali,Senegal, SudanAfgooye Afgooye- SomaliaAINELABD ‘70 AIN ELANBD 1970- BahrainIsland, Saudi ArabiaA

57Massawa Massawa- Eritrea (Ethiopia)Merchich Merchich- MoroccoMidway Ast ‘61 Midway Astro ‘61- Midway Minna Minna- NigeriaNAD27 Alaska North American

APPENDIX CSpecifications &Wiring58PHYSICALCase: waterproof*Size: 6.15”H x 2”W x 1.23”D (15.6 x 5.1 x 1.23 cm)Weight: Approx 9.5 ounces (269g) w/ b

APPENDIX CSpecifications &Wiring59Three optional cables are available to connect the GPS 38 to an external power source orinterface with another u

2D Navigation . . . . . . . . . . . . . . .183D Navigation . . . . . . . . . . . . . . .18AAcquiring Satellites . . . . . . . . . . . . .6Activating

Map Datums . . . . . . . . . . . . . .47, 56Map Page . . . . . . . . . . . . . . . . . . .12Map Setup and Orientation . . . . . .48Mark /GOTO Wypts

WWarranty . . . . . . . . . . . . . . . . . . .63WaypointsWaypoint (defined) . . . . . . . . . . .2Waypoint Comments . . . . . . . . .26Waypoint Def

63WARRANTYGARMIN warrants this product to be free from defects in materialsand workmanship for one year from the date of purchase. GARMIN willat its s

© 1997 GARMIN Corporation1200 E. 151st Street, Olathe, KS USA 66062GARMIN (Europe) Ltd. Unit 5, The QuadrangleAbbey Park, Romsey, UK SO51 9AQPart Numb

3I N T R O D U C T I O NKeypad Usage &Data EntryDATA ENTRYThe arrow keypad isused for all data entry.Use the U and Dkeys to select letters,n

4Getting Started with your GPSWelcome to the exciting world of GARMINGPS! TheGPS 38 represents GARMIN’s continuing commitment toprovide outdoor enthus

Initializing Your GPS for First Time UseThe GPS 38 calculates your position and movement bytracking signals sent from GPS satellites. Each of the 24GP