Garmin GPSMAP 188C Sounder User Manual

GPSMAP® 188/188C Sounderchartplotting receiverowner’s manual(GPSMAP 188C shown)

4 GPSMAP 188/188C Sounder Owner’s ManualBASIC OPERATION > ADJUSTING THE BACKLIGHTThe Set Position, Track Control, Track and Speed fields only show

94 GPSMAP 188/188C Sounder Owner’s ManualAPPENDIX > MOUNTING THE GPSMAP 188/188C SOUNDERTo install the GPS antenna:1. Screw the antenna directly

GPSMAP 188/188C Sounder Owner’s Manual 95APPENDIX > MOUNTING THE GPSMAP 188/188C SOUNDERTo install the GPSMAP 188/188C Sounder:1. Select a loca

96 GPSMAP 188/188C Sounder Owner’s ManualAPPENDIX > INSTALLING THE TRANSDUCERInstalling the TransducerThe transducer acts as the eyes and ears of

GPSMAP 188/188C Sounder Owner’s Manual 97APPENDIX > INSTALLING THE TRANSDUCERTransom Mount TransducerThe following diagram is for mounting the t

98 GPSMAP 188/188C Sounder Owner’s ManualAPPENDIX > CONNECTING THE POWER/DATA CABLEConnecting the Power/Data CableThe power/data cable connects th

GPSMAP 188/188C Sounder Owner’s Manual 99APPENDIX > INTERFACINGInterfacingThe following formats are supported for connection of external devices

100 GPSMAP 188/188C Sounder Owner’s ManualAPPENDIX > INSTALLING AND REMOVING DATA CARDSInstalling and Removing Data CardsThe GPSMAP 188/188C Sound

GPSMAP 188/188C Sounder Owner’s Manual 101APPENDIX > SATELLITE INFORMATIONSatellite InformationSatellite Sky View45°90°Outer ring -the horizonIn

102 GPSMAP 188/188C Sounder Owner’s ManualAPPENDIX > WHAT IS A WAAS AND DGPS?What is WAAS?The Wide Area Augmentation System (WAAS) is an F.A.A. fu

GPSMAP 188/188C Sounder Owner’s Manual 103APPENDIX > WHAT IS MMSI?What is Maritime Mobile Service Identity (MMSI)?Maritime Mobile Service Identi

GPSMAP 188/188C Sounder Owner’s Manual 5BASIC OPERATION > INTERFACE KEYSInterface KeysNAV Key• Press and release at any time to view the Naviga

104 GPSMAP 188/188C Sounder Owner’s ManualAPPENDIX > NAVIGATION TERMSNavigation TermsAvg Speed—the average of all second-by-second speed readings

GPSMAP 188/188C Sounder Owner’s Manual 105APPENDIX > NAVIGATION TERMSPointer—an arrow pointing to your destination. Speed—the current velocity a

106 GPSMAP 188/188C Sounder Owner’s ManualAPPENDIX > MESSAGESMessagesApproaching Turn—you are nearing a turn in a route.Arriving at Destination—yo

GPSMAP 188/188C Sounder Owner’s Manual 107APPENDIX > MESSAGESTrack Already Exists—a saved track with the same name already exists.Track Memory F

108 GPSMAP 188/188C Sounder Owner’s ManualAPPENDIX > LORAN TD SYSTEMLORAN TD SystemLORAN C is a radio navigation aid operated and maintained in th

GPSMAP 188/188C Sounder Owner’s Manual 109APPENDIX > LORAN TD SYSTEMThe LORAN Position Format field is located on the Setup–Location tab on the M

110 GPSMAP 188/188C Sounder Owner’s ManualAPPENDIX > OPTIONAL ACCESSORIESOptional AccessoriesThe following optional accessories are designed to en

GPSMAP 188/188C Sounder Owner’s Manual 111APPENDIX > SOFTWARE LICENSE AGREEMENT AND PRODUCT REGISTRATIONSoftware License AgreementBY USING THE G

112 GPSMAP 188/188C Sounder Owner’s ManualAPPENDIX > LIMITED WARRANTYLimited WarrantyThis Garmin product is warranted to be free from defects in m

GPSMAP 188/188C Sounder Owner’s Manual 113APPENDIX > FCC COMPLIANCEThe Garmin GPSMAP 188/188C Sounder has no user-serviceable parts. Should you

6 GPSMAP 188/188C Sounder Owner’s ManualBASIC OPERATION > ENTERING DATA AND SELECTING OPTIONSEntering Data and Selecting OptionsYou can select and

114 GPSMAP 188/188C Sounder Owner’s ManualAPPENDIX > SAFETY INFORMATIONSafety InformationCAUTION: Use the GPSMAP 188/188C Sounder at your own risk

GPSMAP 188/188C Sounder Owner’s Manual 115INDEXINDEXSymbols2D Differential 422D GPS Location 89, 1013D Differential 423D GPS Location 101AAcces

116 GPSMAP 188/188C Sounder Owner’s ManualINDEXLLanguage 69License Agreement 111LORAN TD 108MMagnetic Variation 71Main Menu 39Main Pages 26Man

GPSMAP 188/188C Sounder Owner’s Manual 117INDEXTracBack 14Activate 16Track LogsClear 15Save 15Track Tab 59Active 59Saved 59Track Up 64Trans

For the latest free software updates (excluding map data) throughout the life of your Garmin products, visit the Garmin Web site at www.garmin.com.©

GPSMAP 188/188C Sounder Owner’s Manual 7BASIC OPERATION > USING THE MAP POINTERUsing the Map PointerWorking from the Map Page centers around the

8 GPSMAP 188/188C Sounder Owner’s ManualBASIC OPERATION > CREATING AND USING WAYPOINTSCreating and Using WaypointsThe Garmin GPSMAP 188/188C Sound

GPSMAP 188/188C Sounder Owner’s Manual 9BASIC OPERATION > CREATING AND USING WAYPOINTS5. To enter optional comments or a depth, highlight the

10 GPSMAP 188/188C Sounder Owner’s ManualBASIC OPERATION > MAN OVERBOARD (MOB)Man OverBoard (MOB)The GPSMAP 188/188C Sounder’s Man OverBoard (MOB)

GPSMAP 188/188C Sounder Owner’s Manual 11BASIC OPERATION > REVIEWING AND EDITING WAYPOINTSReviewing and Editing WaypointsWaypoints are reviewed,

12 GPSMAP 188/188C Sounder Owner’s ManualBASIC OPERATION > NAVIGATING TO A DESTINATIONTo change the waypoint symbol:1. Highlight the waypoint sy

GPSMAP 188/188C Sounder Owner’s Manual 13BASIC OPERATION > NAVIGATING TO A DESTINATIONTo activate a Go To from a point list:1. Press the NAV k

© Copyright 2005 Garmin Ltd. or its subsidiariesGarmin International, Inc. 1200 East 151st Street, Olathe, Kansas 66062, U.S.A. Tel. 913/397.8200 or

14 GPSMAP 188/188C Sounder Owner’s ManualBASIC OPERATION > NAVIGATING TO A DESTINATIONTo Go To a new map point (non-map item):1. Use the ROCKER t

GPSMAP 188/188C Sounder Owner’s Manual 15BASIC OPERATION > NAVIGATING TO A DESTINATIONTo clear the track log and define a starting point for a Tr

16 GPSMAP 188/188C Sounder Owner’s ManualBASIC OPERATION > NAVIGATING TO A DESTINATIONTo activate a TracBack using the NAV key:1. Press NAV, high

GPSMAP 188/188C Sounder Owner’s Manual 17BASIC OPERATION > ROUTESRoutesYou can create and store up to 50 user-defined reversible routes (numbered

18 GPSMAP 188/188C Sounder Owner’s ManualBASIC OPERATION > ROUTES6. Repeat steps 4 and 5 until you have finished defining all route waypoints.7.

GPSMAP 188/188C Sounder Owner’s Manual 19BASIC OPERATION > FIND6. From the Find menu, highlight Waypoints or another menu item, and press ENTE

20 GPSMAP 188/188C Sounder Owner’s ManualBASIC OPERATION > FINDTo Find an item from your current location:1. From any page, press FIND.2. Using

GPSMAP 188/188C Sounder Owner’s Manual 21BASIC OPERATION > ADDITIONAL INFORMATIONTo Find an item using the Find options:1 From any page, press

22 GPSMAP 188/188C Sounder Owner’s ManualBASIC OPERATION > DSCDSCThe DSC tab on Main Menu controls and sets up the Digital Selective Calling (DSC)

GPSMAP 188/188C Sounder Owner’s Manual 23BASIC OPERATION > DSCUnderstanding Position ReportsA Position Report is similar to a Distress Call exce

GPSMAP 188/188C Sounder Owner’s Manual iINTRODUCTION > ABOUT THIS MANUALINTRODUCTIONThank you for choosing the Garmin® GPSMAP® 188/188C Sounder.

24 GPSMAP 188/188C Sounder Owner’s ManualBASIC OPERATION > DSCDSC Call ListThe DSC Call List displays the 50 most recent calls, even if the unit i

GPSMAP 188/188C Sounder Owner’s Manual 25BASIC OPERATION > DSCNavigating to a Position Report or Distress CallAfter a Position Report or a Distr

26 GPSMAP 188/188C Sounder Owner’s ManualMAIN PAGES > OVERVIEWMAIN PAGESSix main display pages are always available: Map Page, Sonar Page, Pointer

GPSMAP 188/188C Sounder Owner’s Manual 27MAIN PAGES > MAP PAGEMap PageThe Map Page provides a comprehensive display of electronic cartography, p

28 GPSMAP 188/188C Sounder Owner’s ManualMAIN PAGES > MAP PAGEUsing the Map PointerThe pointer pans away from your present location (even outside

GPSMAP 188/188C Sounder Owner’s Manual 29MAIN PAGES > MAP PAGEUse the pointer to create new waypoints directly from the map.To create a waypoint

30 GPSMAP 188/188C Sounder Owner’s ManualMAIN PAGES > MAP PAGEThe GPSMAP 188/188C Sounder’s system has a built-in worldwide database to 20 mi, wit

GPSMAP 188/188C Sounder Owner’s Manual 31MAIN PAGES > MAP PAGEMap Page OptionsFull Screen Map/Show Data—toggles between the Map Page without or

32 GPSMAP 188/188C Sounder Owner’s ManualMAIN PAGES > MAP PAGEYou can also merge the four medium default data fields to a single, large field for be

GPSMAP 188/188C Sounder Owner’s Manual 33MAIN PAGES > POINTER PAGESet Up Map—configures the map display preferences, including map detail, map or

ii GPSMAP 188/188C Sounder Owner’s ManualINTRODUCTION > TABLE OF CONTENTSTable of ContentsIntroduction ...

34 GPSMAP 188/188C Sounder Owner’s ManualMAIN PAGES > NUMBERS PAGEBearing PointerCompass RingData FieldsCurrent Go ToDestinationBearing BugThe

GPSMAP 188/188C Sounder Owner’s Manual 35MAIN PAGES > HIGHWAY PAGENumbers Page shown with middle data field split into four fieldsTo split the dat

36 GPSMAP 188/188C Sounder Owner’s ManualMAIN PAGES > HIGHWAY PAGEThe four data fields at the top of the page provide additional user-selectable gu

GPSMAP 188/188C Sounder Owner’s Manual 37MAIN PAGES > ACTIVE ROUTE PAGEPreview WindowHighway Page Set UpCheck or uncheck the options you want to

38 GPSMAP 188/188C Sounder Owner’s ManualMAIN PAGES > ACTIVE ROUTE PAGEActive Route Page OptionsThe following options are available from the Activ

GPSMAP 188/188C Sounder Owner’s Manual 39MAIN MENU > GPS TABMAIN MENUThe Main Menu provides access to various waypoint, system, navigation, inte

40 GPSMAP 188/188C Sounder Owner’s ManualMAIN MENU > GPS TABThe progress of satellite acquisition is shown in three stages:• No signal strength

GPSMAP 188/188C Sounder Owner’s Manual 41MAIN MENU > GPS TABOcean, in a geo-stationary orbit over the equator. Effective use of the WAAS satelli

42 GPSMAP 188/188C Sounder Owner’s ManualMAIN MENU > GPS TAB• AutoLocate—the receiver is looking for any satellite whose almanac has been collec

GPSMAP 188/188C Sounder Owner’s Manual 43MAIN MENU > TIDE TABGPS Tab OptionsThe GPS tab features an options page that provides access to functio

GPSMAP 188/188C Sounder Owner’s Manual iiiINTRODUCTION > TABLE OF CONTENTSPages Tab ...

44 GPSMAP 188/188C Sounder Owner’s ManualMAIN MENU > TIDE TABin 4-hour increments, and the light, dotted vertical lines are in 1-hour increments.

GPSMAP 188/188C Sounder Owner’s Manual 45MAIN MENU > TIDE TABYou can automatically search for the nearest station using a variety of search loca

46 GPSMAP 188/188C Sounder Owner’s ManualMAIN MENU > TRIP TABMove the time bar on the tide chart in 5 minute increments to show tide heights at va

GPSMAP 188/188C Sounder Owner’s Manual 47MAIN MENU > CELES TABCeles (Celestial) TabThe Celestial tab displays celestial data for sun and moon ri

48 GPSMAP 188/188C Sounder Owner’s ManualMAIN MENU > POINTS TABCelestial Tab MenuTo change the time or date:1. From the Celes tab, use the ROCKE

GPSMAP 188/188C Sounder Owner’s Manual 49MAIN MENU > POINTS TABTo select the Points (Waypoint) sub tab:1. Use the ROCKER to highlight the Point

50 GPSMAP 188/188C Sounder Owner’s ManualMAIN MENU > POINTS TABTo display the waypoint menu options: Using the ROCKER, highlight the User tab, an

GPSMAP 188/188C Sounder Owner’s Manual 51MAIN MENU > POINTS TABTo delete waypoints by symbol:1. From the User sub tab, highlight the waypoint

52 GPSMAP 188/188C Sounder Owner’s ManualMAIN MENU > POINTS TABTo add a proximity waypoint:1. Use the ROCKER to highlight an empty space on the

GPSMAP 188/188C Sounder Owner’s Manual 53MAIN MENU > ROUTES TABRoutes TabThe Route List Page displays all the routes currently stored in memory,

iv GPSMAP 188/188C Sounder Owner’s ManualINTRODUCTION > CARE INFORMATIONCare InformationCleaning the UnitThe GPSMAP 188/188C Sounder is constructe

54 GPSMAP 188/188C Sounder Owner’s ManualMAIN MENU > ROUTES TABRoute Review PageAfter you create a route, use the Route Review Page to review and

GPSMAP 188/188C Sounder Owner’s Manual 55MAIN MENU > ROUTES TABWhen you are on the Route Review Page, you can review the route points (waypoints

56 GPSMAP 188/188C Sounder Owner’s ManualMAIN MENU > ROUTES TABEdit on Map—allows you to review and modify the route displayed for each point (way

GPSMAP 188/188C Sounder Owner’s Manual 57MAIN MENU > ROUTES TABAdd Before—inserts a waypoint into the list of route points or add a point(s) ont

58 GPSMAP 188/188C Sounder Owner’s ManualMAIN MENU > ROUTES TABTrip Planning—the Route Review and Active Route Pages also display trip-planning in

GPSMAP 188/188C Sounder Owner’s Manual 59MAIN MENU > TRACK TABTrack TabThe Track tab specifies whether or not to record a track log, define how it

60 GPSMAP 188/188C Sounder Owner’s ManualMAIN MENU > TRACK TABFor the Active sub tab, the following settings are available:Record Mode—contains th

GPSMAP 188/188C Sounder Owner’s Manual 61MAIN MENU > DSC TABYou can use the Review On Map option to display a saved track on a Track Map page.To

62 GPSMAP 188/188C Sounder Owner’s ManualMAIN MENU > CARD AND TIME TABSCard TabThe Card tab contains options for saving waypoints, routes and trac

GPSMAP 188/188C Sounder Owner’s Manual 63MAIN MENU > PAGES TABPages TabThe Pages tab allows you to turn on or off any of the main pages or Jump

GPSMAP 188/188C Sounder Owner’s Manual 1BASIC OPERATION > INITIALIZING THE RECEIVERBASIC OPERATIONInitializing the ReceiverThe first time you tur

64 GPSMAP 188/188C Sounder Owner’s ManualMAIN MENU > MAP TABMap TabThe Map tab changes the display properties of the Map Page. The following page

GPSMAP 188/188C Sounder Owner’s Manual 65MAIN MENU > MAP TABTo display the Map Information Page:1. Highlight the Data Card Maps button, and pr

66 GPSMAP 188/188C Sounder Owner’s ManualMAIN MENU > MAP TABPoints Sub TabThe Spot Soundings, Tide Stations, and Services options each contain adj

GPSMAP 188/188C Sounder Owner’s Manual 67MAIN MENU > MAP TABNav Line Sub Tab• Heading Line—On/Off: draws an extension from the end of the boat

68 GPSMAP 188/188C Sounder Owner’s ManualMAIN MENU > HIWAY, TEMP, AND SONAR TABSHiway (Highway) TabThe Highway tab contains display settings for t

GPSMAP 188/188C Sounder Owner’s Manual 69MAIN MENU > SYSTM TABSystm (System) TabThe System tab controls system setting for beeper, speed filter,

70 GPSMAP 188/188C Sounder Owner’s ManualMAIN MENU > UNITS TABUnits Tab The Unit tab defines the Position Format, Map Datum, Heading, Distance, Spe

GPSMAP 188/188C Sounder Owner’s Manual 71MAIN MENU > UNITS TAB• Heading—selects the reference used in calculating heading information. You can

72 GPSMAP 188/188C Sounder Owner’s ManualMAIN MENU > COMM TABComm (Communications) TabThe Communications tab controls the input/output format used

GPSMAP 188/188C Sounder Owner’s Manual 73MAIN MENU > COMM TABWhen transferring data between two Garmin units, always set one to Host and use the

2 GPSMAP 188/188C Sounder Owner’s ManualBASIC OPERATION > INITIALIZING THE RECEIVERTo graphically initialize the GPSMAP 188/188C Sounder:1. Pres

74 GPSMAP 188/188C Sounder Owner’s ManualMAIN MENU > COMM TABTo adjust the NMEA output:1. From the Comm tab, press MENU, highlight NMEA Setup, a

GPSMAP 188/188C Sounder Owner’s Manual 75MAIN MENU > COMM TABStatus FieldSNR and Distance shows data when signal NOTE: The DGPS beacon transmi

76 GPSMAP 188/188C Sounder Owner’s ManualMAIN MENU > ALARM TABAlarm TabThe Alarm tab allows you to define the alarm settings. The Alarm tab is divi

GPSMAP 188/188C Sounder Owner’s Manual 77MAIN MENU > ALARM TABTo set an alarm:1. Use the ROCKER to highlight a sub tab.2. Highlight the field y

78 GPSMAP 188/188C Sounder Owner’s ManualUSING SONAR > SONAR PAGEUSING SONARThis section covers the additional sonar options for the GPSMAP 188/18

GPSMAP 188/188C Sounder Owner’s Manual 79USING SONAR > SONAR PAGEUsing the Adjustment MenuThe Adjustment menu gives you direct access to the set

80 GPSMAP 188/188C Sounder Owner’s ManualUSING SONAR > SONAR PAGERange AdjustmentZoom AdjustmentRange—sets the display depth range used for viewin

GPSMAP 188/188C Sounder Owner’s Manual 81USING SONAR > SONAR PAGE• Btm (Bottom) Split—shows two reduced pictures; the right at the original dep

82 GPSMAP 188/188C Sounder Owner’s ManualUSING SONAR > SONAR PAGEWhiteline—controls how the unit displays information about the bottom type (hard

GPSMAP 188/188C Sounder Owner’s Manual 83USING SONAR > SONAR PAGEScroll—adjusts the rate that the graph scrolls from right to left. If you are s

GPSMAP 188/188C Sounder Owner’s Manual 3BASIC OPERATION > SIMULATOR MODESimulator ModeSimulator Mode turns the GPS receiver off for use indoors

84 GPSMAP 188/188C Sounder Owner’s ManualUSING SONAR > SONAR PAGEShow Pointer OptionData WindowPointerTo mark an underwater waypoint:1. From the

GPSMAP 188/188C Sounder Owner’s Manual 85USING SONAR > SONAR PAGESize Split—enables width adjustment of the Sonar Page split screen. This option

86 GPSMAP 188/188C Sounder Owner’s ManualUSING SONAR > SONAR TAB OPTIONSDepth Number—controls the efficiency of the digital depth update rate. Fast

GPSMAP 188/188C Sounder Owner’s Manual 87USING SONAR > SONAR TAB OPTIONSKeel Offset—used to offset the surface reading for the depth of a keel.

88 GPSMAP 188/188C Sounder Owner’s ManualUSING SONAR > SONAR TAB OPTIONSTo calibrate the water speed:1. On the Sonar tab, use the ROCKER to highl

GPSMAP 188/188C Sounder Owner’s Manual 89USING SONAR > SONAR TAB OPTIONSUnderstanding SonarThe transducer mounted on your vessel transmits sound

90 GPSMAP 188/188C Sounder Owner’s ManualUSING SONAR > UNDERSTANDING SONARTransducer CoverageThe area covered by the transmitted sound waves is de

GPSMAP 188/188C Sounder Owner’s Manual 91USING SONAR > UNDERSTANDING SONARWhitelineWhen the sonar sound waves are reflected back by the bottom, a

92 GPSMAP 188/188C Sounder Owner’s ManualAPPENDIX > SPECIFICATIONSAPPENDIXSpecificationsPhysical SpecificationsSize: 188: 6.2" H x 6.3" W

GPSMAP 188/188C Sounder Owner’s Manual 93APPENDIX > INSTALLING THE GPSMAP 188/188C SOUNDERInstalling the GPSMAP 188/188C SounderThe GPSMAP 188/1