Garmin GPSMAP 198C Owner'S Manual Download Page 106

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100

GPSMAP 198C Sounder Owner’s Manual

PPENDIX

NTERFACING

Interfacing

The following formats are supported for connection of external

devices:
Garmin proprietary Differential GPS (DGPS), NMEA 0183

versions 2.3, ASCII Text Output, RTCM SC-104 input (vs. 2.0).
The following are the sentences for NMEA 0183, vs. 2.3 output:

Approved sentences

—GPRMC, GPGGA, GPGSA, GPGSV,

GPGLL, GPBOD, GPRTE, and GPWPL.

Proprietary sentences

—PGRME, PGRMZ, and PSLIB. The

GPSMAP 198C Sounder accepts NMEA input with support for the

DBT, DPT, MTW, and VHW sentences.

The GPSMAP 198C Sounder also includes NMEA input with

support for the WPL sentence and sonar NMEA input with support

for the DPT (Depth), MTW (Water Temp) and VHW (Water Speed

& Heading) sentences. If connecting to COM 2 for sonar NMEA

input, the unit interface must be set to NMEA In/NMEA Out. If

connecting to COM 1, the unit must be set to NMEA In/NMEA

Out.
You can download a copy of Garmin’s proprietary communication

protocol on the Help and Support section of our Web site at

www.garmin.com.
Complete information regarding NMEA and RTCM formats is

available for purchase at www.nmea.org

Summary of Contents for GPSMAP 198C

Page 1: ...GPSMAP 198C Sounder chartplotting receiver owner s manual ...

Page 2: ...medium to be viewed and to print one copy of this manual or of any revision hereto provided that such electronic or printed copy of this manual must contain the complete text of this copyright notice and provided further that any unauthorized commercial distribution of this manual or any revision hereto is strictly prohibited Information in this document is subject to change without notice Garmin ...

Page 3: ...P 198C Sounder About This Manual To get the most out of your new navigation system take time to read this manual and learn the operating procedures for your unit in detail This manual is organized into the following chapters The Introduction section contains the Table of Contents as well as GPSMAP 198C Sounder care information The Basic Operation section provides you with detailed information and ...

Page 4: ...and Editing Waypoints 11 Navigating to a Destination 12 Routes 17 Find 19 Additional Information 21 DSC 22 Main Pages 26 Map Page 27 Compass Page 33 Numbers Page 34 Highway Page 35 Active Route Page 37 Main Menu 39 GPS Tab 39 Tide Tab 43 Trip Tab 46 Celes Celestial Tab 47 Points Tab 48 Routes Tab 53 Track Tab 59 DSC Tab 61 Card Tab 62 Time Tab 62 Pages Tab 63 Map Tab 64 Hiway Highway Tab 68 Temp T...

Page 5: ...g the Power Data Cable 99 Interfacing 100 Installing and Removing Data Cards 101 Satellite Information 102 What is WAAS 103 What is Differential GPS DGPS 103 What is a Maritime Mobile Service Identity MMSI 104 How ARE MMSI assignments obtained 104 Navigation Terms 105 Messages 107 LORAN TD System 109 Optional Accessories 111 Software License Agreement 112 Product Registration 112 Limited Warranty ...

Page 6: ...to avoid the following potentially hazardous situations may result in injury or property damage Use the GPSMAP 198C Sounder only as a navigational aid Do not attempt to use the GPSMAP 198C Sounder for any purpose requiring precise measurement of direction distance location or topography The Global Positioning System GPS is operated by the United States government which is solely responsible for it...

Page 7: ...bstructed view of the sky A full screen GPS Information Page is shown after you press ENTER to acknowledge the Warning Page The page goes away after the unit gets a position ﬁx or you press either ENTER or QUIT The page can be disabled and enabled on the Main Menu Pages tab see page 63 To turn on the GPSMAP 198C Sounder 1 Press and hold the POWER key until the power tone sounds then release the PO...

Page 8: ... This does not calibrate the unit in any way but rather helps to speed up the initial satellite acquisition If the unit shows Ready 2D or 3D during this process it is not necessary to initialize the unit The unit now begins searching for the appropriate satellites for your region and should acquire a ﬁx within a few minutes When viewing the GPS tab on the Main Menu a signal strength bar for each s...

Page 9: ... use WARNING Do not attempt to navigate using Simulator Mode When the unit is set to Simulator Mode the GPS receiver is turned off Any satellite signal strength bars shown are only simulations and do not represent the strength of actual satellite signals To place the GPSMAP 198C Sounder in Simulator Mode 1 Press MENU twice to show the Main Menu Press up or down on the ROCKER until the GPS tab is h...

Page 10: ... to the Map Page To adjust the simulated speed and heading from the Compass or Highway Pages 1 Press up on the ROCKER increase the speed in 10 knot kph mph increments Press down on the ROCKER to decrease the speed in the same increments 2 Press left and right on the ROCKER to steer the boat Adjusting the Backlight The Sounder s adjustable screen backlighting is controlled with the POWER key and ca...

Page 11: ...or conﬁrm on screen messages Press and hold at any time to mark your current location as a waypoint MOB Key Press and hold for MOB waypoint IN OUT Zoom Keys From the Map Page press to zoom in or out From any other page press to scroll up or down a list ROCKER Key Move up down right or left to move through lists highlight ﬁelds on screen buttons and icons enter data or move the map pointer MENU Key...

Page 12: ...t are speciﬁc for that page To select an option requires movement of the cursor This is referred to as highlighting selecting or choosing an item 2 Use the ROCKER to move the cursor highlight up and down a list or up down left and right on menus 3 After you have highlighted a selection press ENTER to either start the feature or press MENU to show a sub menu or list with more options Repeat this pr...

Page 13: ...p Zoom Range To pan the map 1 Use the IN OUT keys to select a map zoom range 2 Use the ROCKER to move the pointer A data ﬁeld appears at the top of the screen showing the bearing and distance from your boat to the pointer along with the latitude longitude of the pointer 3 Press QUIT to re center your boat on the Map Page Map Pointer Pointer Coordinates Bearing Distance The Map Page actively scroll...

Page 14: ...ckly captures your present location to create a new waypoint The unit must have a valid position 2D or 3D ﬁx to mark your present location You can also use this option to manually enter waypoint coordinates To mark your present position 1 Press and hold ENTER MARK until the New Waypoint window appears A default three digit name and symbol are created for the new waypoint 2 To accept the waypoint w...

Page 15: ...tion or map item a description of the point its distance and bearing from your current location and the latitude longitude of the pointer is shown along the top of the map To create a new waypoint graphically 1 Use the ROCKER to move the pointer to a map location If you want to create the new waypoint at an on screen map item highlight the map item on the screen 2 Press and release ENTER MARK to c...

Page 16: ...To start the MOB function 1 Press MOB 2 Press ENTER to begin navigating to the MOB location 3 To stop navigation to the MOB location press NAV highlight Stop Navigation and press ENTER When a MOB is active a MOB waypoint with an international MOB symbol is created and the unit is on an active navigation to that point Use any of the Navigation Pages to guide you back to the MOB point The MOB waypoi...

Page 17: ...t Edit Page 1 Use the ROCKER to highlight the waypoint on the Map Page Or Press MENU twice highlight the Points tab and choose a waypoint from the User or Proximity sub tabs 2 Press ENTER to show the Waypoint Edit Page 3 From the Waypoint Edit Page change the name symbol comment location coordinates or depth for the selected waypoint When ﬁnished highlight Next and press ENTER to save them or pres...

Page 18: ...bearing and coordinate window You can also use the IN and OUT keys to zoom the map The map zoom range appears in the lower right corner 2 Use the ROCKER to point to the new location and press ENTER 3 To stop the move process press QUIT Navigating to a Destination Using the Nav Key The NAV key provides three ways to navigate to a destination Go To Point Follow Route and Follow Track TracBack When y...

Page 19: ...be used to select one of three items from the Map Page an existing waypoint an on screen map item such as roads rivers cities and navaids or a new map point If you are selecting a map item as the Go To destination the GPSMAP 198C Sounder automatically uses the name of the map item but the point is not stored in the waypoint list See page 21 for creating waypoints using map items If you are selecti...

Page 20: ...our path using the track log automatically stored in the receiver s memory This feature eliminates the need to store waypoints along the way TracBack routes are created by reducing your track log into a route of up to 254 turns and activating an inverted route along those points When started a TracBack route leads you back to the oldest stored track log point so it is a good idea to clear the exis...

Page 21: ...b to the right 2 Use the ROCKER to select Save and press ENTER 3 From the Save Back Through window highlight time date or Entire Log and press ENTER When the track is saved the Save Track window appears The default name distance number of points 500 max and color are shown in the Save Track window To change the name of the saved track highlight the name ﬁeld and press ENTER Make your changes and p...

Page 22: ...th as closely as possible To get the most out of the TracBack feature remember the following tips Always clear the track log at the starting point Set the Record Mode option on the track log setup page to Fill or Wrap The track log memory must contain at least two points to create a TracBack route If the track log interval is set to the Time option the route can not follow your exact path For best...

Page 23: ... and press ENTER Skip to step 4 if you use this method 3 Select New Route and press ENTER 4 To add an existing waypoint or map item to the route use the map pointer to select a waypoint or map item and press ENTER Map items do not appear in the waypoint list To create a waypoint from a map item see page 21 5 To add a new waypoint to the route use the map pointer to select a map location and press ...

Page 24: ... points To create a route using text on the Route Review Page 1 Press MENU twice to show the Main Menu 2 Use the ROCKER to highlight the Route tab and press MENU to show the route options menu or highlight the ﬁrst available blank route slot and press ENTER Skip to step 4 if you use this method 3 Select New Route and press ENTER 4 Press MENU select Edit as Text and press ENTER 5 Use the ROCKER to ...

Page 25: ...een entered Press QUIT to return to the Route List Page Choose a waypoint from either the By Name or Nearest tab list Find The FIND key searches the unit for user waypoints map items and any optional BlueChart or MapSource information loaded on a data card Press FIND to show a list of available ﬁnd categories The default items are Waypoints Cities Tide Stations and Transportation Additional items ...

Page 26: ...TER You can also Find from items found on the Find List The Find option also supports a ﬁnd from feature that centers your search around an item you have just found For example you search for Restricted Areas and you ﬁnd a point named Anchoring Prohibited If you press FIND again From Anchoring Prohibited appears as the new search from point You can also use the Find feature to center your search f...

Page 27: ...rmation varies depending on the type of data loaded on the optional data card Sub tabs along the top of the detail window contain the information available for the item Any additional options are shown along the bottom To view additional information for a Find item 1 From the Find list highlight an item and press ENTER 2 Use the ROCKER to highlight the individual tabs and show the information To s...

Page 28: ...on of the caller The rescuer can choose to navigate to the caller s location to assist or forward the call on to the Coast Guard When the Coast Guard receives the call they can immediately access the caller s information such as who they are and the type of vessel in their database while they are in transit to the caller s location A non emergency DSC Position Report allows mariners to exchange an...

Page 29: ...he Bearing and Distance from your current position and the coordinates of the caller To see the callers location on a map select the Show Map button To create a waypoint at the caller s location select the Create Wpt button To close the Notiﬁcation Page press QUIT When a Distress Call or Position Report is placed in the Call List and Log the information on the Notiﬁcation Page is retained To revie...

Page 30: ...s received Press MENU to sort the list and delete entries DSC Directory The DSC Directory acts much like a phone book and can hold up to 50 entries Pressing MENU from this page shows options to add a New Item Delete a highlighted entry or Delete All entries To add a new Directory entry 1 Open the DSC Directory in the Main Menu 2 Use the ROCKER to highlight the ﬁrst blank space in the directory lis...

Page 31: ... Or 1 Highlight the call on the Call List or Log and press NAV 2 With Go To MMSI Name or DSC highlighted press ENTER Navigating to a DSC Call Setting up DSC The DSC Setup tab turns DSC chartplotter information screen On and Off This Setup tab also allows you to simulate Distress Calls and Position Reports while the unit is in Simulator Mode see page 3 Simulating calls is helpful for practice befor...

Page 32: ...me as PAGE except the pages are shown in a reverse sequence Each main page has an Options Menu Options Menus contain the setup options and functions that apply to that page Press MENU to show the Options Menu Use the ROCKER to select an item from the options menu and press ENTER Many of the menus in the GPSMAP 198C Sounder are arranged in a tab layout Use the ROCKER to move left or right from tab ...

Page 33: ... range shown at the bottom right of the page The Zoom IN and OUT keys combined with the ROCKER allows you select zoom ranges and move the pointer Two basic map operating modes Position Mode and Pointer Mode determine what cartography is shown on the Map Page Position Mode moves the cartography to keep the present position marker within the screen area Pan Mode moves the cartography to keep the map...

Page 34: ...from your present position changes as your location moves The pointer can also be used to view on screen waypoint and map item properties directly from the Map Page Pressing ENTER while highlighting a map item brings up additional details and options Additional Information Tabs Additional Options To select an on screen waypoint or map item with the map pointer 1 Use the ROCKER to move the map poin...

Page 35: ...ER to conﬁrm the new waypoint using the default three digit name and symbol For more information about waypoints see page 8 Selecting Map Zoom Ranges The Map Page has 28 available range scales from 20 ft to 800 mi 5 m to 1200 km The map zoom range is controlled by the IN and OUT keys with the current zoom range shown at the bottom right of the data window To select a map zoom range Press the OUT k...

Page 36: ...es of the GPSMAP 198C Sounder are menu driven Each main page has an options menu allowing you to customize the corresponding page to your preferences and or select special features that speciﬁcally relate to that page The data window located at the top of the main pages provides a user selectable layout of various types of useful data Each data ﬁeld can be conﬁgured to show any one of several data...

Page 37: ...ENU highlight Show Data and press ENTER Change Numbers speciﬁes the type of data shown in each data ﬁeld used on the Map Page To change a data ﬁeld 1 From the menu use the ROCKER to highlight the Change Numbers option and press ENTER 2 Move the ﬁeld highlight to the data ﬁeld you want to change and press ENTER 3 Move up or down on the list using the ROCKER to highlight the data you want to show an...

Page 38: ... the Map Page To measure the bearing distance between two points 1 Highlight Measure Distance and press ENTER An on screen pointer labeled ENT REF appears on the Map Page at your present location 2 Move the pointer to a reference point the point that you want to measure from and press ENTER 3 Move the pointer to the end measurement point The bearing and distance from the reference point and pointe...

Page 39: ...tion waypoint with an emphasis on the bearing to your destination and current direction of travel The middle of the page features a rotating compass ring that shows your course over ground track while you are moving and a bearing pointer that indicates the direction of the destination bearing relative to the course over ground The compass ring and pointer arrow work independently to show at a glan...

Page 40: ...ructions on changing the data ﬁelds and layout of the Compass Page see page 31 Numbers Page The Numbers Page provides for precision navigation to 1 degree of steerage The default page shows three large numbers ﬁelds You can customize the Numbers Page to show the size and number of ﬁelds along with the type data you want to see See page 31 for instructions on changing the data ﬁelds The Numbers Pag...

Page 41: ...hway Page provides graphic steering guidance to a destination waypoint placing greater emphasis on the straight line course and the distance and direction you are off course As you head toward your destination the middle of the screen provides visual guidance to your waypoint on a moving graphic highway Your present location is at the bottom center of the Highway Page The line down the middle of t...

Page 42: ...on You can zoom in or out on the Highway Page for a smaller or larger view Five available settings range from 1X to 16X with a default setting of 8X The current zoom range appears in the bottom right of the screen To zoom in or out on the Highway Page Press either the IN or OUT key to increase or decrease the zoom range Highway Page Options The GPSMAP 198C Sounder s Highway options page deﬁnes the...

Page 43: ...ayout of the Highway Page see page 31 Active Route Page The Active Route Page shows each point of the active route with the point name distance and choice of Course ETA Fuel Leg Distance Leg Fuel Leg Time Sunrise Sunset or Time To for each point from your present location The current destination point is marked with an arrow icon As you navigate a route the waypoint list automatically updates to i...

Page 44: ...tions Invert reverses the direction of the route Re evaluate recalculates and restarts the current route Invert reverses the route To invert an active route 1 From the Active Route Page press MENU 2 Using the ROCKER highlight Invert and press ENTER to reverse the route Re evaluate restarts the current route and selects the route leg closest to your current location as the active leg The active leg...

Page 45: ...ems press right on the ROCKER then press up or down to select individual items 2 Either press MENU for additional submenu options or press ENTER to make changes to the highlighted item Press left on the ROCKER to get back to the Main Menu 3 Press QUIT to return to the Main Menu GPS Tab The GPS tab provides a visual reference of satellite acquisition receiver status and accuracy The status informat...

Page 46: ...r 3D Differential in the status ﬁeld The sky view shows a bird s eye view of the position of each satellite relative to the receiver s last known location The outer circle represents the horizon north up the inner circle 45º above the horizon and the center point a position directly overhead You can also set the sky view to a Track up conﬁguration causing the top of the sky view to align along you...

Page 47: ... afterwards When WAAS differential correction has been received for GPS satellites numbers 32 or below a D appears in the signal bar of the sky view and 2D or 3D Differential appears in the receiver status To learn more about the WAAS system its satellite positions and current state of development visit the FAA web site http gps faa gov Since WAAS requires CPU resources of the GPSMAP 198C Sounder ...

Page 48: ...e the receiver is no longer tracking enough satellites for a 2D or 3D ﬁx Receiver Not Usable the receiver is unusable possibly due to interference or abnormal satellite conditions Turn the unit off and back on to reset Simulating the receiver is in Simulator Mode The Differential Receiver status shows one of the following Off No optional beacon receiver attached or enabled in the Comm menu or WAAS...

Page 49: ... at the same time GPS Tab Options Tide Tab The Tide tab shows a graphical chart that shows tide station information in a 24 hour span starting at midnight station time You can choose from different dates and more than 3 000 tide stations Tide Tab Station Name Date Tide Chart Event Times The top of the page shows the tide station being referenced below that the date The top of the chart shows a 24 ...

Page 50: ... red The solid horizontal line with the current tide box on the left indicates the current tide height The ﬁgure to the left of the line shows the current tide level in feet The Mean Lower Low Water MLLW appears as a solid horizontal line near the bottom of the chart This line only appears if the tide ranges to the zero value or below The numbers directly below above LCL and STA indicate the maxim...

Page 51: ...the map 1 When the search results appear press FIND highlight Tide Stations press ENTER and then press MENU 2 Highlight Nearest To Other and press ENTER 3 Select a location on the map and press ENTER A list appears showing the nearest tide stations 4 Highlight the station and press ENTER twice If the None Found message appears repeat steps 1 4 until you ﬁnd a station To change the date for the tid...

Page 52: ... right on the ROCKER to change the time Press QUIT when ﬁnished or press MENU highlight Stop Moving Cursor and press ENTER Move the pointer to see tide heights at different times Tide data shows in a black box when in pointer mode Trip Tab The Trip tab shows the Trip Odometer Moving Average speed Total Average speed Maximum Speed Stopped Time Moving Time Total Time and Odometer To reset the data c...

Page 53: ...choose a position 1 From the Celes tab highlight the At ﬁeld and press ENTER 2 From the Find list highlight any category except Other Location and press ENTER If you want to reference a Find item select from the Find list and press ENTER 3 Select an item from the list or tab lists and press ENTER For a location from the map choose Other Location press ENTER select a location on the map and press E...

Page 54: ...me From the Celes tab press MENU use the ROCKER to highlight Use Current Date and Time and press ENTER Points Tab The Main Menu Points tab features two waypoint sub tabs User and Proximity that manage a large number of waypoints quickly and efﬁciently The sub tabs also provide a continuously updated proximity waypoint alarm function that can be used to deﬁne an alarm circle around items such as su...

Page 55: ...elete individual waypoints or delete all user waypoints The total number of stored and available waypoints is shown at the bottom of the User page with the stored waypoints arranged in alphanumerical order The following options are available from the User submenu on the Points tab Create Waypoint allows you to create a waypoint See page 8 for creating a waypoint Delete Waypoint deletes selected wa...

Page 56: ...for a waypoint by name 1 Highlight the name ﬁeld and press ENTER 2 Use the ROCKER to select the ﬁrst letter of the name 3 Move to the right and enter the second letter if you do not see the name in the list below 4 Repeat this until the name appears Press ENTER when you see the name 5 Highlight the name on the list and press ENTER again to review the waypoint When ﬁnished highlight OK and press EN...

Page 57: ... Delete All and press ENTER 3 Highlight OK and press ENTER to conﬁrm Proximity Waypoint List The Proximity list allows you to deﬁne an alarm circle around a stored waypoint location and can be used to help you avoid reefs rocks or restricted waters Up to 10 waypoints can be listed with a maximum alarm radius of 99 99 nautical or statute miles or kilometers If a proximity alarm circle overlaps with...

Page 58: ... 99 units and press ENTER To turn on or off proximity alarms 1 Use the ROCKER to highlight the ﬁeld below Proximity Alarm and press ENTER 2 Select a ON or OFF setting and press ENTER To show the waypoint menu options Using the ROCKER highlight the Proximity tab and press MENU To clear one or all proximity waypoint s from the list 1 Use the ROCKER to highlight the proximity waypoint and press MENU ...

Page 59: ...e and press NAV The window automatically shows Follow the route name 2 Highlight the route you want to navigate and press ENTER 3 Choose Activate or Invert and Activate and press ENTER Activate uses the route as is Invert and Activate reverses and starts the route If you highlight a route name from the Route List and press NAV the name automatically appears To stop navigation of a route Press NAV ...

Page 60: ...light the route you want to review and press ENTER Route List Menu Route Points Data Fields Route Name Data Totals The Route Review Page also allows you to enter your own 15 character name for any listed route By default the name includes the ﬁrst and last waypoints in the route To enter a custom route name 1 From the Route Review Page highlight the name ﬁeld and press ENTER to begin editing 2 Use...

Page 61: ...ext point on the route list Show Map show the point on a map window or Delete permanently delete the waypoint from the unit and press ENTER When you are back on the route point list the next point in the route is automatically highlighted This allows you to review each point on the route by pressing ENTER repeatedly Route Review Options Menu Route Review Menu Options Menu options available from th...

Page 62: ...turns at the beginning or end of the route 1 Select the ﬁrst to add waypoints to the beginning of the route or last to add waypoints to the end of the route route waypoint with the map pointer and press MENU 2 Highlight the Add option and press ENTER 3 Move the pointer to the new point or location and press ENTER 4 If you are not inserting an existing waypoint press ENTER to conﬁrm the new waypoin...

Page 63: ... list From either the User or Nearest From Current Location tab lists choose the waypoint you want and press ENTER twice See page 50 for searching for waypoints by name Or To select a waypoint from the map highlight the User or Nearest tab and press MENU With Select From Map highlighted press ENTER Use the zoom IN and OUT keys and the ROCKER to highlight a waypoint on the map and press ENTER Drag ...

Page 64: ...g information from the Route Review Page only press MENU and select Trip Planning from the options list Enter the ﬁgures for Speed Fuel Flow Departure Time and Departure Date Press QUIT to return to the Route Plan Page Trip Planning Data Fields NOTE Fuel ﬂow rates on your unit are measured in units per hour System setting changes for units of measure statute nautical or metric do not affect the fu...

Page 65: ...wo sub tabs Active and Saved Active Sub Tab The Active sub tab is for the active log the log currently being recorded It shows track memory used and current settings Active Track Tab Saved Sub Tab The Saved sub tab shows and manages a list of any saved track logs allows for TracBack activation and Map Page of saved logs The active log stores up to approximately 2 500 track log points based on the ...

Page 66: ...istance between points Time records track plot based on a user deﬁned time interval Resolution records track plot based on a user deﬁned variance from your course over ground The resolution option is the default setting and is recommended for the most efﬁcient use of memory and TracBack performance The distance value entered in the value ﬁeld is the maximum error allowed from the true course befor...

Page 67: ... end to the start of your trip or Reverse which navigates you from the start to the end of your trip and press ENTER The track name automatically appears when highlighted on the Saved list and NAV is pressed DSC Tab Digital Selective Calling DSC uses marine VHF radio and Global Positioning System GPS technologies to transmit and receive location information DSC is used by mariners to assist them i...

Page 68: ...e From Card and press ENTER to combine the selected items with those of your GPS Highlight Replace From Card and press ENTER to overwrite all selected items on your GPS 4 A Transfer Complete message appears after the data is transferred Press QUIT Time Tab The Time tab shows the current time and date allows you to adjust the 12 or 24 hour time format enter a time zone and adjust for daylight savin...

Page 69: ...elects that page When a page is selected a check mark appears in the box You must leave at least one page checked To set the ﬁrst page Use the ROCKER to highlight the First page option and press ENTER Highlight the page you want to appear ﬁrst and press ENTER You can also press MENU choose from one of the following and press ENTER All Pages selects all pages Chartplotter Only selects the Map Page ...

Page 70: ...f the Map Page to the current track heading Course up ﬁxes the map so the direction of navigation is always up AutoZoom On Off when On the map automatically adjusts the map zoom range to a lower range as you approach you destination point Color Mode For Sun For Dark controls colors change to correct for day and night lighting conditions Source Sub Tab Basemap On Off turns the built in base map on ...

Page 71: ... to that map 4 To show detailed information and notes for each area highlight a name and press ENTER To view the notes for that area choose Show Notes To scroll through the notes highlight the notes press ENTER and use the ROCKER to scroll up down left and right or press MENU and choose a scroll option Waypoints Sub Tab The Waypoints and Active Route options each contain adjustments for Text and Z...

Page 72: ...e controls the screen size of the name Zoom Auto Off 120 ft 800 mi sets the maximum zoom range features should appear on the Map Page Some types of data only show up to speciﬁc zoom ranges Navaids Sub Tab Symbol Set Auto Garmin NOAA International controls a navaid symbol set Text Size Small Medium and Large controls the screen size of the name Light Sectors Off Auto On controls the drawing light s...

Page 73: ...ain adjustments for Zoom Zoom Auto Off 120 ft 800 mi sets the maximum zoom range the feature should appear on the Map Page Some types of data only show up to speciﬁc zoom ranges Other Sub Tab Accuracy Circle On Off toggles the circle On and Off The circle represents the approximate accuracy of the unit based on EPE DOP and basemap quality Your location is within the circle Lat Lon Grid Text None S...

Page 74: ...he temperature scale and the duration of time The following settings are available Temperature Scale controls the temperature range for showing the log Select Auto to have the unit automatically determine the best range or select a span of 2 4 6 8 or 10 degrees Time Duration controls the number of temperature readings shown on the log Shorter time durations shows a greater the number of log points...

Page 75: ... Mode See page 3 for additional instructions Track Control Auto Track User Track controls your heading in Simulator Mode Track sets your heading in Simulator Mode Speed sets your speed in Simulator Mode Transducer sets a transducer type These ﬁelds are only available when the unit is in Simulator Mode The following options are also available from the Systm tab System Information shows the unit s s...

Page 76: ...ngs under the Units tab of the GPSMAP 198C Sounder match that of the map or chart This information should appear somewhere on the map or chart If the information is not present contact the map or chart maker to determine what position format datum heading and units of measure are being used for the map or chart Map Datum sets the datum reference used to determine a given location The default setti...

Page 77: ...the heading reference ﬁeld immediately to the right and press ENTER 2 Use the ROCKER to enter the magnetic variation at your current location and press ENTER WARNING If User Mag Var is selected you must periodically update the magnetic variation as your location changes Using this setting the unit does not automatically calculate and update the magnetic variation at your present location Failure t...

Page 78: ...ere are 11 Transfer Modes to choose from Host Request Almanac Request Proximity Request Routes Request Tracks Request Waypoints Send Almanac Send Proximity Send Routes Send Tracks and Send Waypoints NMEA In NMEA Out supports the input output of standard NMEA 0183 data and sonar NMEA input support for the DPT MTW and VHW sentences None provides no interfacing capabilities Port 2 Garmin DGPS support...

Page 79: ... select a setting and press ENTER To select a transfer mode 1 Use the ROCKER to select Garmin Data Transfer in the Serial Data Format ﬁeld 2 Highlight the Transfer Mode ﬁeld and press ENTER 3 Use the ROCKER to select a setting and press ENTER Advanced NMEA settings to adjust the NMEA output are available if you have one of the ports set to NMEA In NMEA Advanced NMEA settings enable disable certain...

Page 80: ...n DGPS or RTCM In NMEA Out format is selected additional ﬁelds are provided to control a Garmin differential beacon receiver directly from your GPSMAP 198C Sounder The unit can automatically scan for the DGPS beacon signal or you can enter the beacon frequency and bit rate on the unit and the information is used to tune the beacon receiver To have the unit automatically scan for a frequency 1 With...

Page 81: ...S or RTCM In NMEA Out use the ROCKER to highlight the Beacon ﬁeld and press ENTER 2 Highlight User and press ENTER 3 Highlight the Frequency or Bit Rate ﬁeld press ENTER enter a frequency or bit rate and press ENTER when ﬁnished The Status ﬁeld shows one of the following Tuning the unit is attempting to tune to the speciﬁed frequency and bit rate Scanning the unit is automatically scanning through...

Page 82: ...Enter a value in the distance ﬁeld and use the control ﬁeld to turn the alarm on and off Arrival sets an alarm to sound when at speciﬁed distance or time away from a destination waypoint Enter a distance radius or time for sounding the alarm and use the control ﬁeld to set the alarm to Off Dist Distance or Time Off Course sets an alarm to sound when you are off the course by a speciﬁed distance En...

Page 83: ...d press ENTER 3 Change the mode to the setting and press ENTER 4 Highlight the next ﬁeld to the right press ENTER enter settings and press ENTER to ﬁnish 5 If you want the alarm to appear and beep until acknowledged highlight the Persist box and press ENTER If Persist is checked an alarm stays active until acknowledged Press ENTER to acknowledge an alarm ...

Page 84: ...98C Sounder becomes a powerful ﬁshﬁnder ﬂasher To view the Sonar Page press PAGE or QUIT repeatedly until it shows Fish are shown as colored arches or as ﬁsh icons Both ﬁsh icons and arches appear in three different sizes Thermoclines are shown as shades of blue The area of strongest sonar return shows as solid white if Whiteline is active Typically the bottom is the primary whiteline A thin white...

Page 85: ...options and their current settings appears with the selected option highlighted 2 Press up or down on the ROCKER to select the option and press ENTER to access the adjustment window 3 To exit any of the adjustment options press QUIT To change an Adjustment Menu setting 1 Select an adjustment option to change using one of the two methods described previously The adjustment window automatically time...

Page 86: ...n labeled View The Zoom setting is divided into six levels 4X Split Zoom Dual Frequency Mode 2X Split shows two reduced size sonar pictures at the same time The right half of the screen shows the complete sonar picture at its original scale The left half shows a portion of the original picture at 1 2 depth scale 2X Zoom shows the 2X zoomed picture on the full screen and does not show the original ...

Page 87: ...f a zoomed screen If the Zoom is set to 2X split or 4X split only the zoomed portion on the left side of the screen is affected by the change If the Zoom is set to Bottom Split or Bottom Lock Span adjusts how far off the bottom the unit shows data In Zoom mode you can control the view of the left side of the split Gain allows you to control the sensitivity of the unit s receiver This provides some...

Page 88: ... depth of the line appears in a box on the right side of the line Press up or down on the ROCKER to control the position of the line on the graph The depth shows in a window on the right side of the line To turn the Depth Line Off press the ROCKER up until the setting bar is all the way at the top of the range and reads Off Noise Reject helps ﬁlter unwanted noise from the graph The Noise Reject to...

Page 89: ...he Adjustment options list use the ROCKER to highlight the option and press ENTER 2 Use the ROCKER to make the change and press ENTER Show Hide Pointer allows you to reference sonar items and mark underwater waypoints This makes it easier to ﬁnd and use an object such as a stump for a future ﬁshing location When using this feature the Sonar Page pauses The pointer does not move off the paused scre...

Page 90: ...ed in 4 To change the name symbol or depth highlight the appropriate ﬁeld and press ENTER Make your changes and press ENTER when ﬁnished 5 When ﬁnished highlight OK and press ENTER 6 To return to the standard Sonar Page press QUIT or press MENU highlight Hide Pointer and press ENTER Show Hide Numbers toggles showing hiding the data ﬁelds on the Sonar Page Show Numbers Option Change Numbers allows ...

Page 91: ...are set to Off the unit shows all available information about the underwater environment If a ﬁsh symbol is selected the graph shows only the information related to that symbol Actual ﬁsh returns can not always appear as perfect arches like in Simulator Mode due to the speed ﬁsh orientation or other conditions Fish Symbols Off All available information is shown Suspended targets show as ﬁsh symbol...

Page 92: ...sh on and off to alert you that the unit is not tracking the bottom Main Menu Sonar Tab Scale controls the depth Scale shows vertically along the right side of the graph The depth Scale can be conﬁgured to show four different ways as an Overlay in the Corners with Basic or No Scale Color Bar shows a gradient scale of the current Target Level setting see page 81 Depth Scale Overlay Color Bar Flashe...

Page 93: ... Map Page sonar split range scale Full Range shows the entire scale of 2X or 4X left side split of Sonar Page Maximum Detail shows what is shown on the left side of a split sonar screen Background Color sets the background color on the Sonar Page to Black Blue or White Calibrate Water Speed this is only available if you are using a speed capable transducer sensor Calibration is required to ensure ...

Page 94: ...R 4 You can also press MENU on the calibration screen and choose Use Top Ground Speed to default back to ground speed or Use No Calibration to use the speed sensor s uncalibrated speed NOTE If the boat is not moving fast enough or the speed sensor is not outputting a speed the message Boat Is Not Moving Fast Enough To Calibrate appears at the bottom of the screen Either verify the speed sensor whe...

Page 95: ... and sets the bottom level Weaker secondary returns provide the detailed data Stronger returns show in darker colors with red being the strongest return Understanding the Sonar Screen One of the ﬁrst things to understand about sonar is that the transducer sends a beam down to the bottom of the water much like the beam of a ﬂashlight The beam starts small near your vessel and expands as it gets to ...

Page 96: ...ght the 40 cone angle produces a coverage area of approximately a 20 foot diameter circle at a 30 foot depth The narrow cone angles 10 associated with the high frequencies 200 kHz provide better bottom resolution and crisper detail but cannot show a large coverage area for ﬁnding ﬁsh The 10 cone angle provides a coverage width that is approximately 2 10 of the water depth As shown in the drawing o...

Page 97: ...ne function to make the bottom layer information easier to distinguish Whiteline Off Whiteline On Thick Whiteline Hard bottom Thermoclines A rough deﬁnition of a thermocline is a break in water where the water temperature changes faster than the water above it Thermoclines are shown as the weakest colors One of the unique features offered by Garmin is See Thru technology which allows the GPSMAP 19...

Page 98: ... 2 minutes Update Rate 1 second continuous GPS Accuracy Position 15 meters 49 feet 95 typical Velocity 0 05 meters sec steady state DGPS USCG Accuracy Position 3 5 meters 10 16 feet with optional Garmin DGPS receiver 95 typical Velocity 0 05 meters sec steady state DGPS WAAS Accuracy Position 3 meters 10 feet 95 typical Velocity 0 05 meters sec steady state Dynamics 6gs Subject to accuracy degrada...

Page 99: ...ld avoid mounting the antenna high on the mast to prevent inaccurate speed readings caused by excessive heeling Most marine VHF and LORAN antennas should not seriously degrade the GPS antenna s reception Never paint the antenna or clean it with harsh solvents Suggested locations for mounting the external antenna The Garmin antenna screws directly onto any standard 1 x 14 thread antenna mount If yo...

Page 100: ... The GPSMAP 198C Sounder s compact waterproof case is suitable for mounting in exposed locations or at the nav station The unit comes with a gimbal bracket that can be used for surface or overhead mounting When choosing a location for the unit consider the following conditions There should be at least a 3 7 cm clearance behind the case to allow connection of the antenna and power data cables The m...

Page 101: ...unting knobs through the bracket and into the screen case 6 Connect the power data and antenna cables external antenna only to the back of the unit making sure the locking rings are fully tightened on both connectors Flush Mounting the GPSMAP 198C Sounder The GPSMAP 198C Sounder can be ﬂush mounted on a ﬂat panel When ﬂush mounting the GPSMAP 198C Sounder be sure to choose an appropriately sized l...

Page 102: ...he wide cone angle provides a large coverage area but at a decreased bottom resolution In deeper water this can result in a large dead zone where ﬁsh cannot be seen A narrow cone angle transducer is better suited to deep water installations The narrow cone angle provides a smaller viewing area compared to a wide cone angle transducer at the same depth with improved bottom resolution and a smaller ...

Page 103: ...strakes struts ﬁttings water intake or discharge ports or anything that creates air bubbles or causes the water to become turbulent It is important that the transducer is in clean non turbulent water for optimal performance Do not mount transducer directly in the path of the prop The transducer can cause cavitation that may degrade the boat s performance and damage the prop Make sure that the tran...

Page 104: ...nk of a car as permanent damage can result User information such as waypoints and routes are retained in the unit s memory without the need for external power It is always a good practice to back up important user data by manually recording it or downloading it to a PC transferring it to MapSource Immersing the Unit in Water The GPSMAP 198C Sounder is waterproof to IEC Standard 60529 IPX7 It can w...

Page 105: ...lities for connecting external devices The color code in the diagram below indicates the appropriate harness connections Replacement fuse is a AGC 3AG 3 Amp fuse NOTE During a typical installation only the Red and Black wires are used The other wires do not have to be connected for normal operation of the unit COM 2 Rx COM 2 Tx COM 1 Tx COM 1 Rx DC Power Source DC Positive RX COM 1 TX COM 1 RX COM...

Page 106: ... accepts NMEA input with support for the DBT DPT MTW and VHW sentences The GPSMAP 198C Sounder also includes NMEA input with support for the WPL sentence and sonar NMEA input with support for the DPT Depth MTW Water Temp and VHW Water Speed Heading sentences If connecting to COM 2 for sonar NMEA input the unit interface must be set to NMEA In NMEA Out If connecting to COM 1 the unit must be set to...

Page 107: ... the unit is on a conﬁrmation tone sounds and a message shows on screen noting the card details when the card is properly installed and accepted 4 Close the cover If you insert a data card and get a card format not recognized message try removing the card and reinserting it If the card is still not recognized contact Garmin Support or your Garmin dealer for assistance Data cards are not waterproof...

Page 108: ...w satellite location with North or your current track at the top of the screen Satellite Strength Indicator Bars The Satellite Strength Indicator Bars show the strength of the signal being received and the status of the signal The bars are either shaded or ﬁlled The gray bar means the GPS is in the process of storing orbital data it is receiving from the satellite signal When the bar turns solid t...

Page 109: ... U S and portions of Alaska For more information go to http gps faa gov Programs WAAS waas htm NOTE If you are using the GPSMAP 198C Sounder outside of the U S A we recommend you turn off WAAS for the most accurate location ﬁx What is Differential GPS DGPS The U S and Canadian governments among others have set up Differential GPS DGPS stations to transmit correction signals They are operational in...

Page 110: ...information on how to obtain a recreational MMSI number contact http www uscg mil rescue21 links mmsi htm or http wireless fcc gov marine U S Non Federal User Commercial users or those who travel outside the U S or Canada must apply for a ship station license or an amendment to a ship station license To ﬁnd out if you require a Ship Station license contact http wireless fcc gov marine fctsht14 htm...

Page 111: ...the time you estimate to reach your destination waypoint based on current speed and track ETA at Destination the time you estimate to reach a Go To destination or the ﬁnal waypoint in a route ETA at Next the time you estimate to reach a Goto destination or the next waypoint in a route Fuel the fuel required to travel from current location to the indicated route waypoint GPS Accuracy estimated accu...

Page 112: ...ive to a ground position Also referred to as ground track Trip Odometer a running tally of distance travelled since last reset See also Odometer Total Average Speed average speed of unit for both moving and stopped speeds since last timer reset Total Trip Timer total time the unit has been in operation since last reset of the trip timers Turn the angle difference between the bearing to your destin...

Page 113: ...nit is unable to continue receiving satellite signals Memory Full unit memory is full no further data can be saved Near Proximity Point you are nearing a proximity waypoint No Diff GPS Location RTCM is selected but no DGPS data is being received No Tide Stations for that Area no tide stations within 100 miles of the area None Found no data matched the search criteria Off Course you are off course ...

Page 114: ...ned off To record more track points you need to clear the track log and turn track recording on This only appears when the track recording setting is set to Stop When Full Track Truncated a complete uploaded track does not ﬁt in memory The oldest track log points have been deleted Transfer Complete data transfer has been completed Waypoint Already Exists a waypoint with the same name already exist...

Page 115: ...ded as TDs You can show your position as a TD or enter waypoints as TDs The accuracy to be expected from this conversion is approximately 30 meters When the unit is placed in the LORAN TD format mode it simulates the operation of a LORAN receiver Position coordinates can show as TDs and all navigation functions can be used as if the unit was actually receiving LORAN signals Using the LORAN TD Form...

Page 116: ...ting then press ENTER 6 When ﬁnished highlight Save and press ENTER Loran TD Setup Page If the active GRI Chain secondary stations or offsets have been changed since the waypoint was created the waypoint now references the active GRI chain and secondary stations You must adjust the TD coordinates accordingly Remember that the GPS is not relying on the LORAN signal for navigation and actually conve...

Page 117: ...detailed mapping options that are compatible with the GPSMAP 198C Sounder including MetroGuide BlueChart and Fishing Hot Spots Programmable Data Cards blank data cards are available in 8 MB 16 MB 32 MB 64 MB and 128 MB sizes Download street level map detail points of interest business addresses and phone numbers marine data topographical information and more from MapSource CD ROMs to a data card e...

Page 118: ... assemble reverse engineer or reduce to human readable form the Software or any part thereof or create any derivative works based on the Software You agree not to export or re export the Software to any country in violation of the export control laws of the United States of America Product Registration Help us better support you by completing our online registration today Have the serial number of...

Page 119: ...ur local Garmin authorized dealer or call Garmin Product Support for shipping instructions and an RMA tracking number The unit should be securely packed with the tracking number clearly written on the outside of the package The unit should then be sent freight charges prepaid to any Garmin warranty service station A copy of the original sales receipt is required as the proof of purchase for warran...

Page 120: ...used in accordance with the instructions However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one of the following measures Reorient or relocate the receivin...

Page 121: ...103 Course Line 67 Course Up 64 D Data Cards 101 Data Entry 6 Data Fields Change Numbers 31 Show 31 Split Fields 35 Date Time 102 Daylight Saving Time 62 Delete DSC Directory Item 24 Depth Line 82 DGPS 103 Alarm 76 Differential GPS 103 Dilution of Precision 105 Distance 60 Distress Calls 22 22 25 DOP 105 DSC 22 Call List 24 Directory 24 Log 24 Setting Up 25 DSC Tab 61 E Edit Route 56 Waypoint 11 E...

Page 122: ...Tab 63 Page Key 5 Pointer Page 33 Options 34 Points Tab 48 Position Format 70 Position Reports 23 Power Key 5 Power On Off 1 Proximity Waypoints 52 Q Quit Key 5 R Receiving a DSC Call 25 Replace From Card 62 Review DSC Call 23 Waypoints 11 Rocker Key 5 Routes 17 Copy 53 Create 17 Delete 53 Delete All 53 Edit 56 Routes Tab 53 Route Review Page 54 Options 55 RTCM 74 S Satellite Location 102 Satellit...

Page 123: ...aypoints 84 Units Tab 70 Unit Defaults 69 W WAAS 40 103 Disable Enable 41 Waterproof 98 Water Speed 87 Water Temperature Alarm 76 Waypoints Creating 8 Creating Graphically 9 Editing 11 Enter Mark 8 Move 12 Proximity 52 Reviewing 11 Underwater 84 Waypoint Lists Proximity 51 User 49 Whiteline 82 91 Wide Area Augmentation System 40 103 Wiring Installation 99 Z Zoom Keys 5 Zoom Range 29 Zoom Settings ...

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Page 126: ...garmin com Copyright 2005 Garmin Ltd or its subsidiaries Garmin International Inc 1200 East 151st Street Olathe Kansas 66062 U S A Garmin Europe Ltd Unit 5 The Quadrangle Abbey Park Industrial Estate Romsey SO51 9DL U K Garmin Corporation No 68 Jangshu 2nd Road Shijr Taipei County Taiwan www garmin com Part Number 190 00541 00 Rev B ...

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