Garmin GPSMAP 168 Sounder Owner'S Manual And Reference Manual Download | Manualshive

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Appendix D

Map Datums

Adindan

Adindan- Ethiopia, Mali, Senegal, Sudan

Afgooye

Afgooye- Somalia

AIN EL ABD ‘70

AIN EL ANBD 1970- Bahrain Island, Saudi

Arabia

Anna 1 Ast ‘65

Anna 1 Astro ‘65- Cocos I.

ARC 1950

ARC 1950- Botswana, Lesotho, Malawi,

Swaziland, Zaire, Zambia, Zimbabwe

ARC 1960

Kenya, Tanzania

Ascnsn Isld ‘58

Ascension Island ‘58- Ascension Island

Astro B4 Sorol

Sorol Atoll- Tern Island

Astro Bcn “E”

Astro Beacon “E”- Iwo Jima

Astro Dos 71/4

Astro Dos 71/4- St. Helena

Astr Stn ‘52

Astronomic Stn ‘52- Marcus Island

Aus Geod ‘66

Australian Geod ‘66- Australia, Tasmania

Island

Aus Geod ‘84

Australian Geod ‘84- Australia, Tasmania

Island

Austria

Austria

Bellevue (IGN)

Efate and Erromango Islands

Bermuda 1957

Bermuda 1957- Bermuda Islands

Bogata Observ

Bogata Obsrvatry- Colombia

Campo Inchspe

Campo Inchauspe- Argentina

Canton Ast ‘66

Canton Astro 1966- Phoenix Islands

Cape

Cape- South Africa

Cape Canavrl

Cape Canaveral- Florida, Bahama Islands

Carthage

Carthage- Tunisia

CH-1903

CH 1903- Switzerland

Chatham 1971

Chatham 1971- Chatham Island

(New Zealand)

Chua Astro

Chua Astro- Paraguay

Corrego Alegr

Corrego Alegre- Brazil

Djakarta

Djakarta (Batavia)- Sumatra Island

(Indonesia)

Dos 1968

Dos 1968- Gizo Island

(New Georgia Islands)

Dutch

Dutch

Easter Isld 67

Easter Island 1967

European 1950

European 1950- Austria, Belgium, Denmark,

Finland, France, Germany, Gibraltar, Greece,

Italy, Luxembourg, Netherlands, Norway,

Portugal, Spain, Sweden, Switzerland

European 1979

European 1979- Austria, Finland,

Netherlands, Norway, Spain, Sweden,

Switzerland

Finland Hayfrd

Finland Hayford- Finland

Gandajika Base

Gandajika Base- Republic of Maldives

GDA

Geocentric Datum of Australia

Geod Datm ‘49

Geodetic Datum ‘49-New Zealand

Guam 1963

Guam 1963- Guam Island

Gux 1 Astro

Guadalcanal Island

Hjorsey 1955

Hjorsey 1955- Iceland

Hong Kong ‘63

Hong Kong

Hu-Tzu-Shan

Taiwan

Indian Bngldsh

Indian- Bangladesh, India, Nepal

Indian Thailand

Indian- Thailand, Vietnam

Indonesia 74

Indonesia 1974-Indonesia

Ireland 1965

Ireland 1965- Ireland

ISTS 073 Astro

ISTS 073 ASTRO ‘69- Diego Garcia

Johnston Island

Johnston Island

The GPSMAP’s built-in world-wide database includes
coverage down to 20 n.m. (30 km). Note that the GPSMAP
168 Sounder basemap is valid to 75º north and 60º south
of latitude.

F

The ‘User’ datum is based on a WGS-84-Local datum and
is an advanced feature for unlisted or custom datums. Check
your local library or on the world wide web for educational
materials on datums and coordinate systems.

F

168 Manual Part 2.indd

01/09/01, 9:44 AM

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Summary of Contents for GPSMAP 168 Sounder

Page 1: ...owner s manual and reference guide chartplotting receiver depth nder GPSMAP 168 Sounder 168 color cover indd 01 09 01 9 49 AM 1...

Page 2: ...nloaded or stored in any storage medium for any purpose without prior written consent of GARMIN Corporation GARMIN Corporation hereby grants permis sion to download a single copy of this manual onto a...

Page 3: ...vide detailed references to the advanced features and operations of the GPSMAP 168 Sounder This allows you to concentrate on a speci c topic quickly and look up detailed information about the GPSMAP 1...

Page 4: ...speed if you suspect shallow water or submerged objects NOTE This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may...

Page 5: ...UTORY OR OTHERWISE THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS WHICH MAY VARY FROM STATE TO STATE IN NO EVENT SHALL GARMIN BE LIABLE FOR ANY INCIDENTAL SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES WHET...

Page 6: ...semap to 20 miles includes detailed ocean river and lake coastlines cities interstates US state highways and local thoroughfares 20 reversible routes with up to 30 waypoints each Uploadable maps up to...

Page 7: ...h external antenna Optional Accessories US A C PC Adapter P N 010 10276 00 EURO A C PC Adapter P N 010 10276 01 UK A C PC Adapter P N 010 10276 02 Cigarette Lighter Adapter P N 010 10208 00 MapSource...

Page 8: ...s Page and Options 41 Highway Page and Options 42 Waypoints 44 Creating 44 Reviewing and Editing 46 Waypoint List 48 Nearest and Proximity 50 vii Introduction Table of Contents Going to a Destination...

Page 9: ...s function keys 1 Mark your present location as a waypoint 10 44 Go to a destination 11 52 56 Create and use a route 57 64 Learn about the Map page 8 9 24 26 Pan using the map arrow 9 25 Zoom in or o...

Page 10: ...nt on the Map Page The ENTER MARK Key The ENTER MARK key selects a highlighted menu option When entering data it allows you to initiate entry and then to accept the selected value s It also marks the...

Page 11: ...eld box on a page 2 Use the ARROW KEYPAD to move the cursor highlight up and down a list or up down and sideways on menus 3 Once you have moved to the selection desired press the ENTER MARK key to ei...

Page 12: ...nd holding the keypad moves you rapidly through the list 4 Use the ARROW KEYPAD LEFT RIGHT arrows to move to the next character on the line or backwards to edit characters If there are more than two l...

Page 13: ...ctory in AutoLocate mode which will allow the receiver to nd itself anywhere in the world To speed up the initialization process we recommend using the graphic initialization process described on the...

Page 14: ...ap Page or displays 2D or 3D Navigation during this process it is not necessary to initialize the unit The GPSMAP 168 Sounder will now begin searching for the appropriate satellites for your region an...

Page 15: ...ion To turn the GPSMAP 168 Sounder on 1 Press and hold the POWER key until the power tone sounds then release the POWER key The Welcome Page will appear while the unit conducts a self test 2 Once the...

Page 16: ...168 Sounder in simulator mode 1 From the Status Page press the MENU key The options page will appear displaying a menu of options and functions for the Status Page 2 Use the UP or DOWN arrow of the A...

Page 17: ...route let s take a brief look at its various features and displays The map display shows your boat as a triangle marker on an electronically generated chart Geographic names roads markers and buoys th...

Page 18: ...h the latitude longitude of the cursor 3 Press the QUIT key to remove the cursor and re center your boat on the map display As you become more familiar with the cursor you ll see that the map display...

Page 19: ...ss ENTER MARK again and move the highlight to where you left off 5 After you have entered all the letters press ENTER MARK to con rm the name 6 To access the waypoint symbol menu highlight the waypoin...

Page 20: ...the Map Page and pressing NAV MOB allows you to graphically select points to Go To For our simulated trip you re going to select a pre programmed tour route using the rst method This will also show h...

Page 21: ...simple route with your boat at the rst route waypoint A data eld at the top of the page will now display the speed distance to the second route waypoint and a pointer which shows you which way to go...

Page 22: ...will display the waypoint name the range and bearing from your present position and the coordinates for the waypoint To review the waypoint page for a selected waypoint 1 Press the ENTER MARK key 2 To...

Page 23: ...ale which re ects the depth of the area being displayed If the unit does not detect a transducer attached to the unit a Sonar Turned Off message will appear across the top of the Sonar Page More on th...

Page 24: ...display Note The Zoom function can be deactivated by pressing the OUT key until the No Zoom setting appears Once in Zoom mode you can control the view of the left side of the split When the unit is s...

Page 25: ...nter arrow work independently to show at a glance the direction of your movement and the direction to your destination For instance if the arrow points up you are going directly to the waypoint If the...

Page 26: ...ge when your main concern is following a de ned course When the GPSMAP 168 Sounder is in simulator mode you can also adjust your speed and course from the Highway Page using the ARROW KEYPAD As you he...

Page 27: ...ver you have activated a route or TracBack this page will show each waypoint name along with useful data for each point As you navigate the route the information will automatically update to indicate...

Page 28: ...page will appear 2 Highlight the OK prompt and press ENTER MARK to con rm 3 Press PAGE or QUIT to return to any of the main pages Congratulations You ve now gone through the basic operation of the GA...

Page 29: ...a particular satellite the corresponding signal strength bar will be blank and the sky view indicator will not be highlighted Once the receiver has found the satellite a light signal strength bar will...

Page 30: ...ion but has not collected enough data to calculate a x 2D Navigation at least three satellites with good geometry have been acquired and a 2 dimensional position x latitude and longitude is being calc...

Page 31: ...nal being received If no optional DGPS receiver is used with the GPSMAP 168 Sounder the DGPS Rcvr eld will display Off and the DGPS SNR eld will be blank The SNR will depend upon the mounting of your...

Page 32: ...e and Loran TD Time Delays For setup of Loran TD see pages 80 81 AutoLocate allows the receiver to locate your position automatically This process can take up to ve minutes Initialize Position allows...

Page 33: ...r mode determine what cartography is shown on the map display Position mode pans the cartography to keep the present position marker within the display area while cursor mode pans the cartography to k...

Page 34: ...irection As you move the cursor the distance and bearing from your present position to the cursor will be displayed in the data window along with the cursor s position coordinates Keep in mind that wh...

Page 35: ...sents the distance from one end of the scale bar to the other The GPSMAP 168 Sounder s system has a built in worldwide database to 20 mi with more detailed coverage available through the use of the op...

Page 36: ...ides access to functions and features relating to the Map Page and the layout options To display the Map Page options 1 Press MENU To select a menu option 1 Use the ARROW KEYPAD to highlight the desir...

Page 37: ...er showing a graphic representation of sh water depth thermoclines and structure and bottom type and shape In Show Flasher mode the graphic Flasher displays structure and bottom returns much the same...

Page 38: ...table lists the le tabs and the settings available under each tab General Detail Orientation AutoZoom Source Basemap MapSource Points Waypoints Active Route Marine Navaids Line Saved Tracks Track Log...

Page 39: ...urce data loaded in the unit on or off Points Tab Waypoints Active Route and Marine Navaids Text None Small Medium and Large controls the screen size of the name Zoom Auto Off 120 ft 800 mi sets the m...

Page 40: ...map con guration tab you can access the following menu options Restore Defaults restores settings back to factory settings for the tab highlighted Restore All Map Defaults restores settings back to f...

Page 41: ...ta elds Small 3 Rows Small text 12 data elds Medium 1 Row Medium text 3 data elds Default setting Medium 2 Rows Medium text 6 data elds Large 1 Row Large text 1 data eld Huge 1 Row Huge text about 1 3...

Page 42: ...t waypoint at current speed and course TO COURSE Distance to desired track TRACK Current compass heading TRIP ODOM Trip Odometer TTL AVG SPEED Total average speed TTL TRIP TIMER Total travel time of t...

Page 43: ...ottom A black line is used to show the point where the water meets the whiteline This black line will follow the contour of the bottom and show any objects of reasonable size For more information on u...

Page 44: ...led description of the available Zoom settings Gain allows the user to control the sensitivity of the unit s receiver This provides some exibility in what is seen on the display To see more detail inc...

Page 45: ...esumed You may see a dicontinuity from where the sonar information stops to where it starts again To mark an underwater waypoint 1 From the Sonar Page press MENU highlight Show Pointer and press ENTER...

Page 46: ...and bottom returns much the same as a true Flasher You may nd this feature particularly useful when using Fish Symbols To turn the Graphic Flasher on and off 1 From the Sonar Page menu highlight Show...

Page 47: ...the unit will display all of the available information about the underwater environment If a sh symbol is selected the chart will display only the information related to that symbol Whiteline controls...

Page 48: ...ing Water Type since sound waves travel through Fresh and Salt water at different rates it is necessary to select the Water Type to ensure accurate readings on the unit Remember the unit can be set to...

Page 49: ...or Use No Calibration to use the speed sensor s uncalibrated speed If the boat is not moving fast enough or the speed sensor is not outputting a speed you will see a Boat Is Not Moving Fast Enough To...

Page 50: ...y to the waypoint If the arrow points any direction other than up turn toward the arrow until it points up then continue in that direction Due to Selective Availability Error the bearing pointer and o...

Page 51: ...aller view of the highway Five settings are available from 1X to 16X with a default setting of 8X To change the highway perspective scale 1 Press the IN or OUT key to select the desired setting The GP...

Page 52: ...y and press ENTER MARK 2 Highlight the desired option and press ENTER MARK Setup Page Layout allows you to change the text size and number of data elds that will be displayed Change Data Fields allows...

Page 53: ...resent position This can be determined by looking at the Status Page When you move the cursor over a map item you will see a highlighted description of that item To mark your present position 1 Press...

Page 54: ...graphically 1 Use the ARROW KEYPAD to move the cursor to the desired map position If you want to create the new waypoint from an on screen map item highlight the map item on the map display 2 Press th...

Page 55: ...r the last character in each section 4 When you have nished entering all your waypoint data highlight the OK prompt and press ENTER MARK Reviewing and Editing Waypoints Once you have created and store...

Page 56: ...d and press ENTER MARK 2 Use the ARROW KEYPAD to edit the coordinates To drop to the next line press to the right on the ARROW KEYPAD 3 Press ENTER MARK when done To move the waypoint on the map 1 Fro...

Page 57: ...waypoints currently stored in memory From the By Name list you may review edit rename or delete individual waypoints or delete all user waypoints The total number of stored and available waypoints is...

Page 58: ...ion warning To delete waypoints by symbol 1 From the By Name tab highlight the waypoint to be deleted and press the MENU key then select Delete By Symbol and press ENTER MARK 2 Use the ARROW KEYPAD to...

Page 59: ...review each waypoint you can scroll through any waypoint list by pressing the ENTER MARK key repeatedly To select a nearest waypoint as a NAV MOB destination 1 Use the ARROW KEYPAD key to select the d...

Page 60: ...MARK The Select Waypoint screen appears 2 To select a waypoint from the lists use the ARROW KEYPAD to highlight the desired waypoint from the By Name or Nearest waypoint lists To select a waypoint fr...

Page 61: ...V MOB key the GPSMAP 168 Sounder provides four ways to navigate to a destina tion Go To Waypoint Follow Track TracBack MOB Man OverBoard and Follow Route navigation Once you are actively navigating yo...

Page 62: ...ame of the map item but the point will not be stored in the waypoint list See page 45 for creating waypoints using map items If you are selecting a new map point non map item as the Go To destination...

Page 63: ...Track tab then highlight the Active tab to the right 3 Use the ARROW KEYPAD to select the Clear option and press ENTER MARK 4 Highlight the OK eld and press ENTER MARK You must rst save the track log...

Page 64: ...rap There must be at least two track log points stored in memory to create a TracBack route If the track log interval is set to the Time option the route may not follow your exact path keep the interv...

Page 65: ...with a diver down symbol will be created and the unit will be on an active navigation to that point Use any of the navigation pages to guide you back to the MOB point The MOB waypoint will be stored i...

Page 66: ...xt from the Route Review Page 1 Press the MENU key twice to display the Main Menu Page 2 Use the ARROW KEYPAD to highlight the Route tab and press the MENU key to display the route options menu 3 Sele...

Page 67: ...d symbol of the new waypoint see page 47 As you add each new waypoint to the route the data window at the top of the map display will show the waypoint map item name bearing and distance from your loc...

Page 68: ...y Follow the route name 2 Highlight the route you wish to navigate and press ENTER MARK 3 Choose Activate or Invert and Activate and press ENTER MARK Activate will use the route as is Invert and Activ...

Page 69: ...w the route points waypoints or map items one at a time from the list To review individual route points 1 Highlight the desired point and press ENTER MARK 2 On the Waypoint Review window you may choos...

Page 70: ...again when done To remove a route point 1 Highlight the Remove option and press ENTER MARK To move a route point 1 Highlight the Move option and press ENTER MARK 2 Move the cursor to the new map posit...

Page 71: ...sh to insert the new point before To add a point to the end highlight the blank eld at the bottom of the list and press MENU 2 Highlight Insert Waypoint or Add Waypoint and press ENTER MARK 3 From eit...

Page 72: ...ing gures appears to the right of each route waypoint and its distance Use the LEFT RIGHT keys on the ARROW KEYPAD to select the desired item 3 To enter planning information Press MENU and select Plan...

Page 73: ...ages share many of the same features and options The following route options are available from the Active Route Page Edit on Map see page 61 for instructions Insert Waypoint see page 62 for instructi...

Page 74: ...hlight any of the tab items press to the RIGHT on the ARROW KEYPAD then move UP or DOWN to select individual items 3 You may then press either MENU for additional submenu options or press ENTER MARK t...

Page 75: ...cBack information The Track submenu is divided in two tabs the Active tab and the Saved tab The Active tab is for the active log the log currently being recorded It displays track memory used and curr...

Page 76: ...ear the active track log currently stored in memory For the Saved tab the following menu options are available Show Map displays the saved track log on a Track Map page Delete Track deletes highlighte...

Page 77: ...e on page 80 for time offsets Daylight Savings choose from Auto On or Off to adjust for daylight savings Pages Tab allows you to turn on off any of the main pages or Jump To a particular page To selec...

Page 78: ...tem Mode select from Normal normal navigation Simulator for practice ONLY Sounder Only or GPS Only Track Control Auto Track will steer to the current navigation point User Track allows you to enter a...

Page 79: ...rmation on Loran TD setup see pages 80 81 Map Datum allows you to select the datum reference used to determine a given position The default setting is WGS 84 Datums are used to describe geographic pos...

Page 80: ...ess ENTER MARK 2 Use the ARROW KEYPAD to enter the magnetic variation at your current position and press ENTER MARK WARNING If User Mag Var is selected you must periodically update the magnetic variat...

Page 81: ...Tracks and Send Waypoints Garmin DGPS used to connect the GPSMAP 168 Sounder with a Garmin DGPS beacon receiver NMEA In NMEA Out supports the input output of standard NMEA 0183 version 2 3 data Text O...

Page 82: ...ntial beacon receiver directly from your GPSMAP 168 Sounder You may have the unit automatically scan for the DGPS beacon signal or you can enter the beacon frequency and bit rate on the unit and the i...

Page 83: ...ck Wiring unit is not making connection with DGPS receiver When the unit is receiving a DGPS signal the SNR Signal to Noise Ratio and Distance elds will show data The SNR range is 0dB to 30dB with 30...

Page 84: ...nter a time in the time eld and turn the alarm on and off from the control eld menu Remember to enter alarm times in the same time format UTC or local you re using for your system The unit must be on...

Page 85: ...ENTER MARK 3 Highlight the next eld to the right and press ENTER MARK then enter the desired settings and press ENTER MARK to nish In order to hear an audible alarm you must have the beeper turned on...

Page 86: ...r Choose Waypoint use the ARROW KEYPAD to select a waypoint from the By Name or Nearest tab lists and press ENTER MARK The location the unit is using will appear in the Date Time Position eld The time...

Page 87: ...will indicate the time of day when using current date and will intersect the tide graph to show their relation The tide curve shows as a shaded area with higher tides being taller and lower tides sho...

Page 88: ...K 2 Highlight Select From Map and press ENTER MARK 3 Select a position on the map and press ENTER MARK 4 A list will appear showing up to nine of the nearest tide stations Highlight the desired statio...

Page 89: ...operation of a Loran receiver Position coordinates may be displayed as TDs and all navigation functions may be used as if the unit was actually receiving Loran signals Using the Loran TD Format When...

Page 90: ...Menu To setup Loran TD from the Status Page 1 Press MENU then use the ARROW KEYPAD highlight the Loran TD On and press ENTER MARK 2 To change the settings of any of the ve elds highlight the eld press...

Page 91: ...E007 5 to E022 5 1 E022 5 to E037 5 2 E037 5 to E052 5 3 E052 5 to E067 5 4 E067 5 to E082 5 5 E082 5 to E097 5 6 E097 5 to E112 5 7 E112 5 to E127 5 8 E127 5 to E142 5 9 E142 5 to E157 5 10 E157 5 t...

Page 92: ...ction Input DC voltage is too low for unit Boat is Not Moving Fast Enough to Calibrate Speed wheel is not turning Check for debris or boat speed is too slow Database Error Internal problem with the un...

Page 93: ...allow water alarm depth has been detected below transducer Sonar Failed Unit Needs Repair Internal problem with the unit Contact your dealer or GARMIN Customer Service page iv to have the unit service...

Page 94: ...d Indonesia Dos 1968 Dos 1968 Gizo Island New Georgia Islands Dutch Dutch Easter Isld 67 Easter Island 1967 European 1950 European 1950 Austria Belgium Denmark Finland France Germany Gibraltar Greece...

Page 95: ...rabia Nhrwn United A Nahrwn United Arab Emirates Obsrvtorio 66 Observatorio 1966 Corvo and Flores Islands Azores Old Egyptian Old Egyptian Egypt Old Hawaiian Old Hawaiian Mean Value Oman Oman Oman Ord...

Page 96: ...e estimated time you will reach your destination waypoint based on current speed and track ETA at Dest The estimated time you will reach a GOTO destination or the nal waypoint in a route ETA at Next T...

Page 97: ...recommended direction to steer in order to reduce course error or stay on course Provides the most ef cient heading to get back to the desired course and proceed along your route Track The direction...

Page 98: ...ormance Receiver Differential ready 12 parallel channel receiver tracks all satellites in view Acquisition Times Warm Approx 15 seconds Cold Approx 45 seconds AutoLocate Approx 5 minutes Update Rate 1...

Page 99: ...uld not seriously degrade the GPS antenna s reception Never paint the antenna or clean it with harsh solvents The GARMIN antenna screws directly onto any standard 1 x 14 thread antenna mount If you ne...

Page 100: ...emperature range for the GPSMAP 168 Sounder is 5 F to 158 F 15 C to 70 C Extended exposure to temperatures exceeding this range in storage or operating conditions may cause failure of the LCD screen T...

Page 101: ...fuse Interfacing The following formats are supported for connection of external devices GARMIN proprietary Differential GPS DGPS NMEA 0183 version 2 3 ASCII Text Output RTCM SC 104 input version 2 0...

Page 102: ...ransom mount transducer This transducer provides good all around performance Listed below are a variety of optional transducers and accessories which are available from your local dealer or GARMIN 200...

Page 103: ...tion 010 10118 00 depth temp Transom Mount Transducer 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 th...

Page 104: ...r over any strakes or behind any obstruction on the hull that would create turbulence at speed Many modern hulls have a prelocated pocket for thru hull transducer installation If you are unsure if you...

Page 105: ...rm gear and tighten until the band is through the worm gear 4 Place the clamp and transducer over the body of the trolling motor Finish tightening the clamp to secure the transducer to the trolling mo...

Page 106: ...ely start showing the bottom Verify that the unit is not in the simulator mode If the unit is in the simulator mode make sure that the transducer is connected to the wiring harness To test the transdu...

Page 107: ...for the transducer If you are in a slow moving boat such as a canoe or at bottom boat the mounting location is not as critical Follow these simple guidelines and you should be ne To install the sucti...

Page 108: ...old temperatures will reduce battery life Installing the D Cell Batteries 1 Disconnect the Red and Black leads 2 Install the batteries noting the correct polarity 3 Reconnect the Red and Black leads a...

Page 109: ...in the order that it is returned rst returned rst on the chart The diagram in the sidebar demonstrates this showing an underwater scene as it would be displayed on the chart Generally speaking if the...

Page 110: ...ately 1 3 of the water depth As shown is Example 1 the coverage area at a 30 foot depth is approximately a 10 foot diameter circle The scale below illustrates how coverage increases as depth increases...

Page 111: ...n the chart On the chart it appears the sh and tree are side by side but when we look at the scene from the top we can see that the sh is several feet from the tree It is important to remember that th...

Page 112: ...is black While you can make some determination of the bottom type the black return makes this more dif cult With the whiteline active the bottom return appears layered in shades of gray and black and...

Page 113: ...SMAP 168 Sounder to see through thermoclines and helps locate sh where they live and sh love the thermocline A rough de nition of a thermocline is a break in water where the water temperature changes...

Page 114: ...ata Transfer 72 Date Time 20 68 Datum Map 70 85 86 Daylight Savings Time 68 Deep Water Alarm 75 Depth Line 14 34 35 37 Depth Scale 14 34 39 Depth Units 71 DGPS Interface Settings 73 74 DGPS Status 20...

Page 115: ...9 Nearest Waypoint List 50 NMEA Output Formats 72 92 Noise Reject 39 O Odometers Trip 68 Off Course Alarm 75 Options Selecting 2 OUT Key 1 Overzoom 26 P Packing List vi PAGE Key 1 Pages Tab 68 Plan Ro...

Page 116: ...hermoclines 14 34 104 Tide Charts 78 79 Tide Page Settings 78 79 Time Daylight Savings 68 Time Format 68 Time Offsets 82 Time Zone 68 TracBack 54 55 67 Track Log Clearing 19 54 67 Track Log Deleting 6...

Page 117: ...168 Manual Part 2 indd 01 09 01 9 46 AM 108...

Page 118: ...t Olathe Kansas 66062 U S A GARMIN Europe Ltd Unit 5 The Quadrangle Abbey Park Industrial Estate Romsey SO51 9AQ U K GARMIN Corporation No 68 Jangshu 2nd Road Shijr Taipei County Taiwan www garmin com...

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