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Garmin 178C - page 1
owner’ s manual GPSMAP 178C GPSMAP178C Cover.indd 1 6/9/2004, 10:00:00 AM ...
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Garmin 178C - page 2
Except as expressly pr ovided herein, no part of this manual may be r eproduced, copied, transmitted, disseminated, downloaded or stored in any storage medium, for any purpose without the expr ess prior written consent of Garmin. Garmin hereby grants permission to download a single copy of this manual and of any revision to this manual onto a har d ...
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Garmin 178C - page 3
i Introduction Preface/ Registration/ Software License Agreement Preface Congratulations on choosing one of the most advanced marine navigation systems available! The Garmin GPSMAP 178C Sounder utilizes the proven performance of Garmin GPS and full-featur ed map- ping to create an unsurpassed marine navigation chartplotter . T o get the most out of ...
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Garmin 178C - page 4
ii Introduction FCC Compliance FCC Compliance The GPSMAP 178C Sounder complies with Part 15 of the FCC interference limits for Class B digital devices FOR HOME OR OFFICE USE. These limits are designed to pr ovide more reasonable pr otection against harmful interference in a residential installation, and ar e more stringent than “outdoor” requir ...
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Garmin 178C - page 5
iii Introduction W arnings and Cautions The GPS system is operated by the United States government, which is solely responsible for its accuracy and maintenance. The system is subject to changes which could affect the accuracy and performance of all GPS equipment. Although the Garmin GPSMAP 178C is a precision electr onic NA Vigation AID (NA V AID) ...
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Garmin 178C - page 6
iv Introduction W arranty and Serial Number , Serial Number Use this ar ea to r ecor d the serial number (8-digit number located on the back of the unit) in case it is lost, stolen, or needs service. Be sur e to keep your original sales r eceipt in a safe place or attach a photocopy inside the manual. Serial Number: * * LIMITED WARRANTY This Garmin ...
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Garmin 178C - page 7
v Introduction Capabilities Designed for detailed electronic charting capability , the Garmin GPSMAP 178C Sounder is a pow- erful navigation device that can give you the information you need: Precision Perfor mance • High-contrast, 256-color LCD screen with backlighting • 12-channel parallel receiver tracks and uses up to 12 satellites for fast ...
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Garmin 178C - page 8
, GPSMAP 178C Sounder Standard and Optional T ransducers Unit part numbers 010-00340-00 and 010-00340-01 include a single-fr equency 200kHz, plastic, depth and temp, transom mount transducer . Unit part numbers 010-00340-02 and 010-00340-03 include a dual-fr equency 200/50kHz,, plastic, depth and temp, transom mount transducer . Unit part numbers 0 ...
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Garmin 178C - page 9
vii Introduction T able of Contents Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . i Preface/Registration . . . . . . . . . . . . . . . . . . . . . i Software License Agreement . . . . . . . . . . . . . . . i FCC Compliance . . . . . . . . . . . . . . . . . . . . . . . ii W arnings and Cautions . . . . . . . . . . . . . . . ...
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Garmin 178C - page 10
viii Introduction “How T o” Index The list to the right is pr ovided to help you quickly fi nd some of the mor e important procedur es you may use on your new GPSMAP 178C. TO DO THIS: SEE P AGE(S): T urn the unit on or off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Adjust screen backlighting . . . . . ...
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Garmin 178C - page 11
1 Getting Started K eypad Usage (ZOOM) OUT Key The OUT key adjusts the map scale to display a larger ar ea with less detail. (Zooms out) (ZOOM) IN Key The IN key adjusts the map scale to display a smaller area with more detail. (Zooms in) P AGE Key The P AGE key selects the main pages in sequence and returns display from a submenu page. QUIT Key Th ...
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Garmin 178C - page 12
2 Getting Started Selecting Options The GPSMAP 178C Sounder’ s advanced keypad system is designed to allow for fast, convenient selection of navigation options and data entry . The Getting Started T our introduces you to the keypad and provides a ‘hands-on’ lesson in using the GPSMAP 178C Sounder . W e strongly encourage you to follow the Get ...
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Garmin 178C - page 13
3 Getting Started Entering Data Naming a waypoint or placing any sort of data that has not been predefi ned requires the use of both the ARROW KEYP AD and the ENTER/MARK key . T o enter a name or number in a data fi eld: 1. Once you have accessed a page with programmable data fi elds (e .g. ‘ Waypoint Edit’) you can use the ARROW KEYP AD to ...
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Garmin 178C - page 14
4 Getting Started Initializing the Receiver/ P ower On Initializing the Receiver The fi rst time you power up your GPSMAP 178C Sounder , the receiver must be given an oppor - tunity to collect satellite data and establish its present position. T o ensure proper initialization, the GPSMAP 178C Sounder is shipped from the factory in AutoLocate mode, ...
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Garmin 178C - page 15
5 Getting Started Initializing the Receiver T o graphically initialize the GPSMAP 178C Sounder: 1. Press the MENU key twice for the Main Menu. Press Up or Down on the ARROW KEYP AD until the ‘GPS’ tab is highlighted, then press the MENU k ey once. 2. Using the ARROW KEYP AD , highlight ‘Initialize P osition’ and press ENTER to initialize th ...
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Garmin 178C - page 16
6 Getting Started T our/ Backlighting GPSMAP 178C Sounder Getting Started T our The Garmin GPSMAP 178C Sounder is a powerful electronic navigation system that pr ovides detailed map coverage and convenient control of many advanced featur es right from the screen display . This tour is designed to take you through the basic pages and functions of th ...
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Garmin 178C - page 17
7 Getting Started Simulator Mode Each page of the GPSMAP 178C Sounder’ s system also features an options page, which gives you access to other functions and features that relate to the specifi c page you are viewing. T o get a feel for how the option pages work, let’ s put the GPSMAP 178C Sounder into simulator mode. T o activate the simulator ...
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Garmin 178C - page 18
8 Getting Started Main P ages/ Map P age Main Pages The Map Page is one of six main pages used in the GPSMAP 178C Sounder’ s system. The six main pages are the Map Page, Map/Sonar Split Page, Sonar Page, Compass Page, Highway Page, and Active Route Page. All pages are linked together in a simple chain, which allows you to scr oll through the page ...
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Garmin 178C - page 19
9 Getting Started Map Cursor Using the Map Cursor W orking from the Map Page is a simple process that centers around the use of the cursor . Con- trolled by the ARROW KEYP AD , the cursor is an important tool that can be used to pan to other map locations, mark and edit waypoints and routes, and r eview position data of on-screen map items and wayp ...
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Garmin 178C - page 20
10 Getting Started Marking W aypoints T o mark your present position: 1. Hold down the ENTER/MARK k ey until the ‘New W aypoint’ window appears then release the k ey . T he window shows a default three-digit waypoint name/number (001), symbol (dot), and position. Y ou can leave the name as the auto-assigned number , but for this exercise , lets ...
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Garmin 178C - page 21
11 Getting Started Using the NA V K ey Going to a Destination GPS is all about marking positions as waypoints and navigating to them using the receiver’ s steering guidance and map displays. W e’ve already seen how to use the ENTER/MARK key to store your present position, so it’ s time to move on to the fun part—going to a destination. The ...
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Garmin 178C - page 22
12 Getting Started Simulated T our T o activate the practice route stored in memory for navigation: 1. Press NA V . T he option list page appears. (If you were selecting a single waypoint to navigate to rather than a route , you could highlight the w aypoint on the map, press NA V and then press ENTER .) 2. Use the ARROW KEYP AD to highlight the ? ...
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Garmin 178C - page 23
13 Getting Started Reviewing/Creating Map W aypoints Y ou’ll now have a clearer picture of the r oute you are navigating. Keep in mind that when you exceed the usable range of the built-in database or the optional MapSource or BlueChart data in use, the range fi eld displays ‘overzoom’ to indicate that you should exer cise extreme caution us ...
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Garmin 178C - page 24
14 Getting Started Map/Sonar Split & Sonar P ages Map/Sonar Split Page The Map/Sonar Split Page combines the Map Page on the left half with the Sonar Page on the right by default. Y ou may adjust the size of the split (pg 32). Press P AGE key to proceed to the Sonar Page. Sonar Page The Sonar Page is where your GPSMAP 178C Sounder becomes a pow ...
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Garmin 178C - page 25
15 Getting Started Sonar P age Using the Adjustment Menu The Adjustment Menu allows direct access to the settings and features most commonly used on the Sonar Page. There are 10 main adjustment options available: Range, Zoom, View/ Span, Gain, T arget Level, Whiteline, Frequency , Depth Line, Noise Reject, and Scroll. The curr ently selected option ...
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Garmin 178C - page 26
16 Getting Started Compass P age Compass Page Curr ent Destination Data Fields Compass Ring Pointer Arr ow Now that we’re navigating to an actual destination, let’ s move on to the GPSMAP 178C Sounder’ s navigation pages by pressing the P AGE key . Compass Page The Compass Page provides graphic steering guidance to a destination waypoint, wit ...
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Garmin 178C - page 27
17 Getting Started Highway P age Highway Page The GPSMAP 178C Sounder’ s Highway Page also provides graphic steering guidance to a destina- tion waypoint, placing greater emphasis on the straight-line desired course and the distance and dir ec- tion you are of f course. As you head toward your destination, the middle of the screen pr ovides visua ...
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Garmin 178C - page 28
18 Getting Started Highway P age Notice that as you get off course, the highway moves to give you graphic guidance to get back on course. Y ou can zoom in or out on the Highway display for a smaller or larger view . Five available set- tings range from 1X to 16X, with a default setting of 8X. The curr ent scale appears in the bottom right of the di ...
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Garmin 178C - page 29
19 Getting Started Changing Data Fields/ Active Route P age The layout of the data fi elds may also be changed to show more fi elds (with a smaller number size) or less fi elds (with a lar ger number size). This setting is available on all of the Main Pages, except the Active Route Page. T o set up the page layout: 1. Press the MENU key to displ ...
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Garmin 178C - page 30
20 Getting Started Main Menu P age/ Deleting W aypoints Main Menu Page As you’ve seen, the primary pages provide map, sonar , and navigation information. The tour’ s last page is the Main Menu page, which allows access to the GPSMAP 178C Sounder’ s waypoint, route, and planning functions, as well as various operational and navigation setup fe ...
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Garmin 178C - page 31
21 Getting Started P owering Off Unit Congratulations! Y ou’ve now gone through the basic operation of the Garmin GPSMAP 178C Sounder . Y our new digital chartplotter is a powerful tool with many advanced features not covered in the Getting Started tour . For detailed instructions on using these features or performing a specifi c task, please re ...
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Garmin 178C - page 32
22 Reference Map P age Map Page The GPSMAP 178C’ s Map Page provides a comprehensive display of electr onic cartography , plotting and navigational data. When using the unit with the optional BlueChart data or MapSource software, the map display shows your boat on a digital chart, complete with geographic names, map items, navaids and a host of o ...
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Garmin 178C - page 33
23 Reference Map P age: Cursor • Whenever you zoom in cursor mode, the cursor is centered on screen. • T o return to position mode, press the QUIT key . When the cursor reaches the edge of the map , the unit may pause as it loads new map data. Using the Cursor The cursor allows you to pan away from your pr esent position and scroll to other map ...
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Garmin 178C - page 34
24 Reference Map P age: Cursor and Zooming T o eliminate the cursor and re-center your position on-screen: 1. Press the QUIT ke y. The cursor may also be used to create new waypoints directly fr om the map. T o create a waypoint with the cursor: 1. Use the ARROW KEYP AD to move the cursor to the desired map position. 2. Press the ENTER/MARK key and ...
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Garmin 178C - page 35
25 Reference Map P age: Options Map Page Options Many features of the GPSMAP 178C are menu driven. Each of the main pages have an options menu, allowing you to custom tailor the corresponding page to your prefer ences and/or select special features that specifi cally relate to that page. The data window , located at the top of the main pages provi ...
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Garmin 178C - page 36
26 Reference Map P age Options • Measure Distance— allows you to measure the bearing and distance between any two points on the map display . T o measure the Bearing/distance between two points: 1. Highlight the ‘Measure Distance’ option and press ENTER . An on-screen pointer appears on the map display at your present position with ‘ENT R ...
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Garmin 178C - page 37
27 Map P age Options Reference General T ab Detail— Most, Mor e, Normal, Less, Least: controls how much map detail displays. Those features which have a specifi ed scale or tur ned “Off” are unaf fected by this setting. Orientation— North Up— fi xes the top of the map display to a north heading; T rack Up Below— fi xes the top of the ...
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Garmin 178C - page 38
28 Reference Map P age: Options 4. To display detailed information/notes for each area or to turn individual maps in the family on/off , highlight the family name and press ENTER . T o view the notes for that area, choose ‘Show Notes’. T o scroll through the notes , you may either highlight the notes , press ENTER and use the ARRO W KEYP AD to ...
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Garmin 178C - page 39
29 Reference Map P age: Options Nav Line T ab— Heading Line— On/Off: draws an extension from the end of the boat icon in the dir ection of travel. Bearing Line— On/Off: toggles the black/white line which points to the current navigation point. Course Line— Auto, Off, 20 ft.-800 mi.: sets the maximum zoom scale at which the desired course li ...
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Garmin 178C - page 40
30 Reference Map P age: Options 3. T he current setting displays , press ENTER to change . Use the ARRO W KEYP AD to highlight the desired setting, then press ENTER . 4. Press QUIT when fi nished. • Change Numbers — allows you to specify the type of data displayed in each data fi eld used on the map display . This option is available fr om an ...
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Garmin 178C - page 41
31 Reference Map P age: Options • SPEED – Speed over ground • TIME OF DA Y – Current time • TIME TO DESTINA TION – Time to fi nal waypoint • TIME TO NEXT – T ime to next waypoint • TO COURSE – Bearing to desired track • TOT AL A VERAGE SPEED – T otal average speed • TOT AL TRIP TIME – T otal travel time of trip, stopped ...
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Garmin 178C - page 42
32 Reference Map/Sonar Split P age Map/Sonar Split Page The Map/Sonar Split Page combines the Map Page on the left half with the Sonar Page on the right by default. The menu options for this page are the same as the Map Page. Any setting changes made from the Map/Sonar Split Page will also af fect the Map Page. One additional option is that you may ...
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Garmin 178C - page 43
33 Reference Sonar P age Sonar Page The Sonar Page is where your GPSMAP 178C Sounder becomes a powerful fi shfi nder . Fish are displayed as colored ar ches or as fi sh icons in three dif ferent sizes. Thermoclines are shown as shades of blue. The sonar display may also be set to show a split screen view of a zoomed portion of the sonar , bottom ...
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Garmin 178C - page 44
34 Reference Sonar P age: Adjustment Menu 3. Press ENTER or QUIT to exit the adjustment window; or press LEFT/RIGHT on the ARROW KEYP AD to view another adjustment window . T o change a setting back to ‘Normal’ or ‘ Auto’: 1. On the adjustment window for the desired option, press MENU . 2. Select the desired setting and press ENTER . Adjust ...
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Garmin 178C - page 45
35 Sonar P age: Adjustment Menu Reference Once activated, the zoomed picture becomes the Sonar Page display . Y ou may also cycle through the sonar zoom display levels by pressing the IN or OUT keys. The Zoom function can be deactivated by pressing the OUT key until the ‘No Zoom’ setting appears. View/Span— available when a Zoom scale other t ...
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Garmin 178C - page 46
36 Sonar P age Options Reference Depth Line— adds a horizontal depth line across the display which is used to measur e the depth of underwater objects. The depth of the line appears in a box on the right side of the line. Press UP or DOWN on the ARROW KEYP AD to control the position of the line on the graph. The depth is displayed in a window on ...
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Garmin 178C - page 47
37 Reference Sonar P age Options ‘Show Pointer’ option enabled Data Window Pointer ‘Show Numbers’ option enabled • Show/Hide Pointer — allows you to reference sonar items and mark underwater waypoints. This makes it easier to fi nd and use an object such as a stump for a future fi shing location. When using this feature, the Sonar Pag ...
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Garmin 178C - page 48
38 Reference Sonar P age Options 3. Move the horizontal double-arrow LEFT or RIGHT using the ARROW KEYP AD until the desired vertical width line shows , then press ENTER . 4. If you wish to cancel this operation, press QUIT or press MENU , highlight ‘Cancel Resize’ and press ENTER . • Set Up Sonar — jumps to the Sonar tab of the Main Menu, ...
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Garmin 178C - page 49
39 Reference Sonar T ab Options , If the unit is unable to track the bottom for any reason, the digits in the depth window fl ashes on and off to alert you that the unit is not tracking the bottom. Scale — controls the depth ‘Scale’ displayed vertically along the right side of the graph. The depth ‘Scale’ can be confi gured to display f ...
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Garmin 178C - page 50
40 Reference Sonar P age Options T o calibrate the water speed: 1. On the Sonar tab, use the ARROW KEYP AD to highlight ‘ Calibrate W ater Speed’ and press ENTER . 2. Bring the boat to a cruising speed. T he top ground and uncalibrated w ater speeds are shown at the bottom of the calibration window . Note your top w ater speed, then stop the bo ...
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Garmin 178C - page 51
41 Compass Page The GPSMAP 178C Sounder features two dif ferent navigation pages: Compass and Highway . When- ever a NA V goto, Follow T rack (T racBack), or Follow Route have been activated, the GPSMAP 178C Sounder’ s Compass Page guides you to your destination with digital readouts and a graphic compass display , which includes a bearing pointe ...
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Garmin 178C - page 52
42 Reference Highway P age Highway Page When a Go T o, T racBack, or route has been activated, the GPSMAP 178C’ s Highway Page provides digital and graphic steering guidance to the destination. The top half of the Highway Page features user -selectable data fi elds that display useful navigation data. The bottom section of the screen provides vi ...
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Garmin 178C - page 53
43 Reference Highway P age Options T o select a menu option: 1. Using the ARROW KEYP AD , highlight the desired option and press ENTER . The following options are available fr om the Highway Page menu: • Set Up Highway— allows you to select what waypoints and tracks are shown on the Highway display . Use the ARROW KEYP AD and ENTER key to selec ...
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Garmin 178C - page 54
44 Reference Creating W aypoints Creating and Using Waypoints The Garmin GPSMAP 178C stores up to 3000 alphanumeric waypoints with a user -defi ned icon, comments, depth, or water temperature available for each waypoint. W aypoints can be created using three basic methods: • ENTER/MARK key– used primarily for marking your present position, the ...
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Garmin 178C - page 55
45 Reference Creating W aypoints 6. To manually enter a set of coordinates , highlight the coordinates and press ENTER , then use the ARROW KEYP AD to enter the new coordinates and press ENTER when done. 7. When done, use the ARROW KEYP AD to highlight the ‘OK’ prompt and press ENTER to save the waypoint into memory . Creating W aypoints Graphi ...
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Garmin 178C - page 56
46 Reference Creating W aypoints Additional Options For Cr eating Waypoints W aypoints may also be created by manually entering position coor dinates through the Points tab of the Main Menu. This method can be useful for creating a waypoint at a specifi c latitude/longitude position from a chart. T o create a new waypoint by entering location coor ...
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Garmin 178C - page 57
47 Reference Creating W aypoints 3. T o select another location from which to project a waypoint, highlight the fi eld next to ‘From’ and press ENTER . T he ‘Find’ screen appears . Highlight the desired type of location ( waypoints , cities , etc.) and press ENTER . Use the submenus to narrow down your search (for more information see ‘F ...
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Garmin 178C - page 58
48 Reference Reviewing/Editing W aypoints W aypoint Review Page— Highlight ‘OK’ and pr ess ENTER to exit/save changes. Changing a W aypoint symbol. Reviewing and Editing Waypoints Once you have created and stored a waypoint, it may be modifi ed, reviewed, renamed, moved, or deleted at any time through the W aypoint Review and W aypoint Edit ...
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Garmin 178C - page 59
49 Reference Editing W aypoints T o change the comment/position coordinates/depth/water temperature: 1. Highlight the desired fi eld and press ENTER . 2. Use the ARROW KEYP AD to edit/enter the data. T o drop to the next line , press to the right on the ARROW KEYP AD . Press ENTER when done . On the W aypoint Review and W aypoint Edit pages, you m ...
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Garmin 178C - page 60
50 Reference W aypoint Lists Main Menu—Points T ab W aypoint Lists The GPSMAP 178C’ s Main Menu Page features two waypoint submenu tabs, ‘User’ and ‘Proxim- ity’, that let you manage a large number of waypoints quickly and effi ciently . The submenu tabs also provide a continuously updated pr oximity waypoint alarm function that can be ...
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Garmin 178C - page 61
51 Reference W aypoint Lists ) Y ou can also search for a waypoint by name: 1. Highlight the name fi eld and pr ess ENTER . 2. Use the ARROW KEYP AD to select the fi rst letter of the name. 3. Move to the RIGHT and enter the second letter if you do not see it on the list below . 4. Repeat this until the name appears. Pr ess ENTER when you see the ...
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Garmin 178C - page 62
52 Reference W aypoint Lists T o add a proximity waypoint: 1. Use the ARROW KEYP AD to highlight an empty space on the Proximity list and press ENTER . Th e ‘Find’ screen appears . Highlight ‘W aypoints’ and press ENTER . 2. Use the ARROW KEYP AD to highlight the desired waypoint from the ‘By Name’ or ‘Nearest’ tab lists . T he W ay ...
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Garmin 178C - page 63
53 Reference Going to a Destination Going to a Destination Using the NA V key , the GPSMAP 178C provides thr ee ways to navigate to a destination: Go T o Point, Follow Route, and Follow T rack (T racBack). Once you are actively navigating, you see a straight line that always runs from your curr ent location to the destination on the Map Page. The e ...
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Garmin 178C - page 64
54 Reference Going to a Destination/ T racBack Navigation ‘Go T o MAP Point’ allows you to navigate to a spot on the map that is not a waypoint or map item. Highlight ‘Save’ and pr ess ENTER to save an active track log. T o activate an existing waypoint or map item as a ‘Go T o’ from the map display: 1. Use the ARROW KEYP AD to highligh ...
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Garmin 178C - page 65
55 Reference T racBack Navigation 2. Use the ARROW KEYP AD to select ‘Save’ and press ENTER . 3. On the ‘Save Back T hrough’ window , highlight the desired time , date, or ‘Entire Log’ and press ENTER. 4. Next, the tr ack begins saving and then display the ‘Saved T rack’ window when done . T he default name , distance, and number of ...
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Garmin 178C - page 66
56 Reference T racBack Navigation/ MOB: Man OverBoard • If the track log interval is set to the ‘T ime’ option, the route may not follow your exact path (keep the interval set to ‘resolution’ for best performance). • If the receiver is turned of f or satellite coverage is lost during your trip, the T racBack draws a straight line betwee ...
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Garmin 178C - page 67
57 Reference Creating a Route Routes The last way to navigate to a destination is to create a user -defi ned route. The Garmin GPSMAP 178C lets you create and store up to 50 r eversible routes (numbered 1-50), with up to 50 waypoints each. Routes can be created and modifi ed in two ways. The fi rst way is to ‘Edit on Map’ from the Route Edit ...
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Garmin 178C - page 68
58 Reference Creating a Route/ F ollowing a Route T o create a route using text from the Route Review page: 1. Press the MENU key twice to display the Main Menu page . Use the ARRO W KEYP AD to highlight the ‘Route’ tab . 2. Press the MENU key to display the route options page . Select the ‘New Route’ option and press ENTER . Or , highlight ...
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Garmin 178C - page 69
59 Reference Route List P age 2. Highlight the route you wish 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 the route then activate it.) T o deactivate (stop navigation) of a route: 1. Press the NA V key , highlight ? ...
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Garmin 178C - page 70
60 Reference Route Review P age Route Review Page Once you have created a r oute, the Route Review page allows you to edit a selected route. T o access the Route Review page: 1. Press MENU twice and highlight the ‘Route’ tab. 2. Highlight the name of the route you wish to review and press ENTER . The Route Review page also allows you to enter a ...
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Garmin 178C - page 71
61 Reference Editing Routes • Edit on Map — review and modify the r oute displayed for each point (waypoint or map item) on a map page. Y ou may also use the cursor to insert a new route point on a r oute leg, review the waypoint or map item. T o edit a route on the map: 1. From the Route Review page , press MENU , highlight ‘Edit on Map’ a ...
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Garmin 178C - page 72
62 Reference Editing Routes The GPSMAP 178C’ s route edit mode also allows you to insert a new route point in any r oute leg using the map cursor . T o insert a new point between two existing route waypoints: 1. Use the ARROW KEYP AD to select the leg in which you want to insert the new w aypoint (the route line highlights and changes to a dotted ...
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Garmin 178C - page 73
63 Reference Editing Routes • T rip Planning — The Route Review and Active Route pages also display trip-planning information for each leg or the entire r oute. A vailable information includes Course, ET A, Fuel (to point), Leg Distance, Leg Fuel, Leg T ime, Sunrise and Sunset (at point location) and Time T o (point). T o use the trip planning ...
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Garmin 178C - page 74
64 Reference Active Route P age Active Route Page Active Route Page Menu Options Active Route Page Whenever you have activated a route in the GPSMAP 178C, the Active Route page shows each point (waypoint or map item) of the active route, with the point name, distance and choice of Course, ET A, Fuel to point, Leg Distance, Leg Fuel, Leg Time, Sunri ...
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Garmin 178C - page 75
65 Reference Find K ey Find Key The FIND key allows you to search the unit for user waypoints, map items, and any optional BlueChart or MapSource information loaded on a data car d. Press the FIND key to sear ch for items from your curr ent location by default. Y ou may also search fr om other locations. When you press FIND , a list of available it ...
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Garmin 178C - page 76
66 Reference Find Options T o view details about an item: 1. With the desired item highlighted in the search results list, press ENTER . 2. An Information page appears with details about the item organized in a tabbed format. Depending on the type of item, additional options are available for viewing the item on the map , viewing notes on a MapSour ...
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Garmin 178C - page 77
67 Reference Main Menu P age Main Menu Page The GPSMAP 178C’ s Main Menu Page provides access to various waypoint, system, navigation and interface management, and setup menus in an easy to use “tab” format. The Main Menu page is avail- able from any page in the GPSMAP 178C’ s system, and is accessed through the MENU key . See pages 2-3 for ...
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Garmin 178C - page 78
68 Reference Main Menu: GPS T ab • T emp – sets up and shows the water temperature log. • Sonar – sets up Sonar Page features, speeds and calibrations. See pages 39. • Setup – defi nes System, Units, and T ime settings. • Comm – interface settings for use with a PC or second device. • Alarm – sets up alarms for anchor drag, arr ...
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Garmin 178C - page 79
69 Reference Main Menu: GPS T ab WAAS Capability The GPSMAP 178C is capable of receiving W AAS (W ide Area Augmentation System) satellite sig- nals. W AAS is an F AA (Federal A viation Administration) funded project to impr ove the overall accuracy and integrity of the GPS signal for aviation use, but land/sea based users may also benefi t fr om t ...
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Garmin 178C - page 80
70 Reference Main Menu: GPS T ab The status fi eld shows one of the following conditions: • Looking For Satellites – the receiver is looking for any satellites. • AutoLocate – the receiver is looking for any satellite whose almanac has been collected. This process can take up to fi ve minutes. • Acquiring Satellites – the receiver is ...
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Garmin 178C - page 81
71 Reference Main Menu: GPS T ab The Differ ential SNR (Signal to Noise Ratio) indicates, on a scale to 0-30db with 30db being the best, the strength of the DGPS signal being received. The SNR depends upon the mounting of your DGPS receiver and the distance fr om the DGPS transmitting station. The GPS Info tab features an options menu that pr ovide ...
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Garmin 178C - page 82
72 Reference Tide T ab— shows a graphical chart that displays tide station information in a 24-hour span starting at midnight station time. Y ou can choose from dif ferent dates and over 3000 tide stations ar ound the USA coastline, Alaska, Hawaii, western Canada and several of the Caribbean islands. The top of the page displays the tide station ...
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Garmin 178C - page 83
73 Reference Main Menu: Tide T ab T o select the nearest tide station from you current location: 1. From the “Tide” tab, highlight the ‘ At’ fi eld and press ENTER . 2. Highlight the desired station of the list and press ENTER twice. If you are not within this range, you see a message “None Found”. Use the ‘Nearest T o Other’ Find ...
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Garmin 178C - page 84
74 Reference T rip T ab— displays T rip Odometer , Moving A verage Speed, T otal A verage Speed, Maximum Speed, Stopped T ime, Moving Time, T otal Time, and Odometer . T o reset the trip data: 1. Highlight ‘ Reset T rip’, ‘ Reset Max Speed’, ‘ Reset Odometer’ or ‘ Reset All’ and press ENTER . Celes (Celestial) T ab— displays cel ...
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Garmin 178C - page 85
75 Reference Main Menu— Active T rack Ta b Points T ab— contains the ‘User’ and ‘Proximity’ waypoint lists. See page 50. Route T ab— contains a list of available routes. See page 59. T rack T ab— lets you specify whether or not to record a track log (an electronic ‘breadcrumb trail’ recor ding of your path), defi ne how it is r ...
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Garmin 178C - page 86
Reviewing a saved track 76 Reference Main Menu: T rack T ab Saved Submenu T ab— manages a list of any saved track logs, allows T racBack activation, map display of saved logs. The active log stores up to appr oximately 10,000 track log points, based upon the criteria specifi ed in the T rack settings. Up to 15 track logs may be saved in memor y ...
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Garmin 178C - page 87
77 Reference Main Menu: DSC T ab DSC T ab— allows to control and set up DSC (Digital Selective Calling) features on the unit. What is Digital selective calling (DSC)? Digital Selective Calling (DSC) uses marine VHF radio and Global Positioning System (GPS) tech- nologies to transmit and receive location information. DSC is used by mariners to ass ...
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Garmin 178C - page 88
78 Main Menu: DSC T ab Reference HOW ARE MMSI ASSIGNMENTS OBT AINED? Non-commercial users (e.g. r ecreational users who remain in domestic waters and only carry VHF , EPIRB (Emergency Position Indicating Radio Beacons), and Radar) ar e not required to have a FCC ship station license. The FCC and Coast Guard have authorized some second and thir d pa ...
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Garmin 178C - page 89
79 Main Menu: DSC T ab Reference MMSI number attached to the call (if you have DSC support). Any DSC-equipped mariner (on sea or land) within range can receive the call. When the Garmin GPSMAP 178C is connected to a VHF with DSC support, the GPS unit displays a Call List, Log, and a Directory available to store incoming information received fr om a ...
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Garmin 178C - page 90
80 Main Menu: DSC T ab Reference DSC Call List The DSC Call List displays the current calls received. The GPS can manage up to 50 calls. When ‘calls’ are received, they ar e updated constantly to give the most current information, even if the unit is left unattended. Any entry from the Call List can be selected to show an Entry Review . DSC Log ...
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Garmin 178C - page 91
81 Main Menu: DSC T ab Reference T here are two ways to add a new entry into the directory . T o add a new Directory entry: 1. Press Menu, then highlight ‘New Item’ and press ENTER . 2. Or , with the Directory T ab highlighted press the Arrow K eypad DOWN , highlight an empty fi eld and press ENTER to access the New Directory Item window . The ...
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Garmin 178C - page 92
82 Main Menu: DSC/Card T abs Reference Car d T ab A user also has the ability to simulate a Distress Call or a Position Report on this page. This is help- ful for practice before connecting to the real system. The Distr ess Call simulator also helps to check if alarms are working pr operly . T o run a simulation: 1. Place the chartplotter into simu ...
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Garmin 178C - page 93
83 Reference Map T ab— contains setup options for the Map Page. See page 25. Hiway T ab— contains setup options for the Highway Page. See page 43. T emp ( T emperature) T ab— displays the water temperature log (if equipped with a temperature transducer/sensor). The chart reads fr om right to left, so that the most recent temperature measured ...
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Garmin 178C - page 94
84 Reference Main Menu: System T ab/ Units T ab T rack Control* – ‘Auto T rack’ steers to the current navigation point. ‘User T rack’ allows you to enter a heading in the ‘T rack’ fi eld. T rack* – lets you enter a heading. Speed* – lets you enter a speed. T ransducer* – lets you simulate using a Depth Only , T emp Only , or T ...
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Garmin 178C - page 95
85 Reference Main Menu: Units T ab For additional information on Loran TD setup, see page 102. • Map Datum – allows you to manually select the datum reference used to determine a given posi- tion. The default setting is ‘WGS 84’. The unit automatically chooses the best datum depending upon your chosen position format. Datums are used to des ...
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Garmin 178C - page 96
86 Reference Main Menu: Time/ Comm T ab Time Submenu T ab— displays the current time and date, allows you to adjust the 12 or 24-hour time format, enter a time zone, and adjust for daylight savings to show correct local time. The following options are available: • T ime Format – choose from 12 or 24-hour (military) time format. • T ime Zone ...
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Garmin 178C - page 97
87 Reference Main Menu: Comm T ab Port 2: • Garmin DGPS – used to connect the GPSMAP 178C with a Garmin DGPS beacon r eceiver . • Other DGPS – allows DGPS input using a standar d R TCM format, without any output capabili- ties. • NMEA In/NMEA Out – supports the input/output of standard NMEA 0183 data and DSC. Y ou may also adjust the NM ...
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Garmin 178C - page 98
88 Reference Main Menu: Comm T ab If ‘Garmin DGPS’ or ‘R TCM In/NMEA Out’ format is selected, additional fi elds are provided to control a Garmin dif ferential beacon receiver dir ectly from your GPSMAP 178C. Y ou may have the unit automatically scan for the DGPS beacon signal or you can enter the beacon frequency and bit rate on the unit ...
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Garmin 178C - page 99
89 Reference Main Menu: Comm T ab NMEA Interface If you are going to interface the GPSMAP 178C with another piece of equipment (such as a radio or autopilot), the unit needs to be set to output NMEA data. More information on wiring and NMEA data may be found on page 96. T o activate the NMEA data: 1. On either port of the Comm T ab , highlight the ...
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Garmin 178C - page 100
90 Reference Main Menu: Comm T ab/ Alarm T ab GPSMAP 178C NMEA Sentence Output (NMEA version 3.01 compliant) Always transmitted: GPRMC, GPGGA, GPGLL, GPBWC, GPVTG, GPXTE, GPRMB, SDDBT , SDDPT , SDMTW , SDVHW Switchable sentences: GPGSA, GPGSV , GPWPL, GPRTE Garmin proprietary: PGRME, PGRMZ, PGRMM Alarm T ab— contains setting for the unit’ s ala ...
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Garmin 178C - page 101
91 Reference Main Menu: Alarm T ab and off. Sonar Submenu T ab Shallow W ater/ Deep W ater – set alarms to sound when you enter an area of specifi ed depth that is too shallow and/or too deep. Y ou must be receiving sonar data for this function to work. W ater T emperature – sets an alarm to sound when the transducer reports a temperature eith ...
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Garmin 178C - page 102
92 Appendix A Antenna Installation Installing the GPSMAP 178C The GPSMAP 178C must be properly installed accor ding to the following instructions to get the best possible performance. T o complete the installation, you’ll need the appropriate fasteners and a 1” x 14-thread marine antenna mount available at most marine dealers. (If you have a GP ...
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Garmin 178C - page 103
93 Appendix A Unit Installation Mounting the GPSMAP 178C Unit The GPSMAP 178C’ 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 mount- ing. When choosing a location for the display unit, make sure you consider the following ...
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Garmin 178C - page 104
94 Appendix A Unit Installation Installing the Unit on the Mounting Bracket 1. Align the slot on the back of the unit with the long mounting knob and slide in place . It may be necessary to adjust the long mounting knob to spread the brack et arms apart. (T urn counter-clock- wise to widen the brack et arms, clockwise to tighten.) 2. Adjust the uni ...
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Garmin 178C - page 105
95 Appendix A Unit Installation Flush Mounting the GPSMAP 178C External Antenna Unit The GPSMAP 178C External Antenna only can be fl ush mounted on a fl at panel. When fl ush mounting the GPSMAP 178C, be sure to choose an appr opriately sized location for the unit. Check that all cables reach the unit mounting location before beginning installat ...
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Garmin 178C - page 106
96 Appendix A Wiring and Interfacing Connecting the Power/Data Cable The power/data cable connects the GPSMAP 178C to 10-35 volt DC system and provides interface capabilities for connecting external devices. The color code in the diagram below indicates the appro- priate harness connections. Interfacing The following formats are supported for conne ...
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Garmin 178C - page 107
97 Selecting a T ransducer Appendix A T ransducers The transducer acts as the eyes and ears of your new sonar . Proper transducer selection and installation are critical to the operation of your unit. The transducer transmits sound waves towar d the bottom in a cone shape. The larger the cone angle, the lar ger the coverage area at a given depth. A ...
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Garmin 178C - page 108
98 Appendix A Proper transducer installation is key to getting the best performance fr om your new unit. If the transducer lead is too short, extension cables are available fr om your Garmin dealer . DO NOT cut the transducer lead or any part of the transducer cable, as this voids your warranty . The cable cannot be spliced and connected to any exi ...
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Garmin 178C - page 109
99 Appendix A Mounting the T ransducer T o avoid drilling a hole to mount a thru-hull transducer , a transom mount transducer may be used with epoxy inside a boat (“shoot-thru-hull” installation). For a transducer to be mounted inside the hull (shoot-thru, not thru-hull), the boat must be fi ber glass, no core (contact your boat manufacturer i ...
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Garmin 178C - page 110
100 Appendix A T esting the Installation T esting the Installation While it is possible to perform some checks with the boat trailered, the boat should be in the water to properly test the sonar portion of the installation. Press the POWER button and the GPSMAP 178C should power on. If the unit fails to power on, verify that the wiring adapter is s ...
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Garmin 178C - page 111
101 Appendix A Installing and Removing Data Cards Once the data car d has been r ead, a summary scr een appears. Pr ess ENTER to acknowledge. Installing and Removing Data Cards The GPSMAP 178C uses optional Garmin marine BlueChart and MapSource data car ds to display digital charts and maps on-screen. Y ou may also transfer user data to data cards ...
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Garmin 178C - page 112
On the Units T ab of the Main Menu, pr ess MENU , then highlight ‘Loran TD On’ and pr ess ENTER to select Loran TD. Or , highlight the Position Format fi eld, highlight ‘Loran TD’ and pr ess ENTER to select Loran TD. 102 Appendix B Loran TD Loran TD System LORAN-C is a radio navigation aid operated and maintained in the United States by th ...
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Garmin 178C - page 113
103 Appendix B Loran TD Setup The ‘LORAN TD Setup’ window contains the fi elds to select the Loran GRI-Chain Number , Primary and Secondary Stations, and TD Offsets. T o setup Loran TD from the Main Menu: 1. Using the ARROW KEYP AD , highlight the ‘Setup tab , then press RIGHT to highlight the ‘Units’ submenu tab . Highlight the “P osi ...
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Garmin 178C - page 114
104 Appendix C 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, T anzania Ascnsn Isld ‘58 Ascension Island ...
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Garmin 178C - page 115
105 Appendix C Map Datums Kandawala Kandawala- Sri Lanka Kerguelen Islnd Ker guelen Island Kertau 1948 W est Malaysia, Singapore L. C. 5 Astro Cayman Brac Island Liberia 1964 Liberia 1964- Liberia Luzon Mindanao Luzon- Mindanao Island Luzon Philippine Luzon- Philippines (excluding Mindanao Isl.) Mahe 1971 Mahe 1971- Mahe Island Marco Astr o Marco A ...
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Garmin 178C - page 116
106 Appendix D Messages Battery V oltage High Please Check Connection— Input DC voltage is too high for unit. Battery V oltage Low Please Check Connection— 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 pr ob ...
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Garmin 178C - page 117
107 Appendix D Messages Proximity Alarm List is Full— Y ou have used all ten proximity waypoints. Proximity Alarm W aypoint— Y ou have entered the alarm radius for the proximity waypoint indicated. Proximity Overlaps Another Pr oximity W aypoint— The alarm radius specifi ed overlaps the area specifi ed for another proximity waypoint. Adjust ...
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Garmin 178C - page 118
108 Appendix E Navigation T erms A vg Speed— The average of all second-by-second speed readings since last reset. Bearing (BRG)— The compass direction fr om your present position to a destination waypoint. Course— The desired course between the active ‘fr om’ and ‘to’ waypoints. Distance (Dist)— The ‘great cir cle’ distance from ...
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Garmin 178C - page 119
109 Appendix E Navigation T erms Odometer— A running tally of distance travelled, based upon the distance between second-by-second position readings. Off Course— The distance you are of f a desired course in either direction, left or right. Also referr ed to as ‘cross-track err or’ or ‘course error’. Speed— The current velocity at whi ...
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Garmin 178C - page 120
110 Time Offsets Appendix F The chart below gives an approximate UTC (Universal T ime Coordinate) time offset for the various longitudinal zones. Check with local charts for more detailed information. If you are in daylight savings time, add one hour to the offset. Longitudinal Zone Offset W180.0º to W172.5º -12 W172.5º to W157.5º -11 W157.5º ...
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Garmin 178C - page 121
111 Appendix G Understanding Sonar Understanding Sonar If you are unfamiliar with basic sonar , or need help determining what is displayed on the graph, this section may be for you. This section is intended to help the novice user gain some understanding of how the GPSMAP 178C operates and how it can help improve their fi shing productivity . T o ...
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Garmin 178C - page 122
112 Appendix G T ransducer Cover age T ransducer Coverage The area covered by the transmitted sound waves is determined by the cone angle of the trans- ducer and the water depth. Cone angles may vary between different types of transducers. For example, a 50kHz frequency may pr ovide a “wide” 40° cone angle, with a coverage width that is approx ...
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Garmin 178C - page 123
113 Appendix G Understanding the Chart Understanding the Gr aph It is important to understand that the unit does not display a 3-D representation of the underwater environment. The unit can display multiple things at the same time, but cannot determine wher e the return originated – only when it was received. Examples 1 and 2 provide a look at th ...
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Garmin 178C - page 124
114 Appendix G Understanding the Graph Whiteline The GPSMAP 178C can help you to determine if the bottom is hard or soft. When the sonar soundwaves are refl ected back by the bottom, a hard bottom returns a stronger signal than a soft bottom. A thin whiteline indicates a softer bottom while a thick whiteline indicates a harder bottom. Normally , a ...
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Garmin 178C - page 125
115 Appendix G Understanding the Graph Thermoclines One of the unique features of fered by Garmin is See-Thru technology . See-Thru technology allows the GPSMAP 178C to “see” through thermoclines and helps locate fi sh where they live; and fi sh love thermoclines! A rough defi nition of a thermocline is a break in water where the water tempe ...
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Garmin 178C - page 126
116 Appendix H Specifi cations Physical Specifi cations Size: 4.9" H x 6.3" W x 3.7" D (122.5mm x 157.5mm x 92.5mm) W eight: 1.0 lb 3.5oz.(.553Kg) Display: 3.2” W x 3.2” H (81.28mm) CSTN (Color Super T wist Nematic) with adjustable CCFL (Cold Cathode Fluorescent Lamp) backlighting; (320x320 pixels) Case: Fully gasketed, high-im ...
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Garmin 178C - page 127
117 Appendix H Specifi cations/ Unit Care Cleaning - The unit’ s case is constructed of high quality material and does not r equir e user maintenance other than cleaning. Clean the unit housing using a cloth lightly dampened with a mild detergent solution and then wipe dry . A void chemical cleaners and solvents that may damage plastic component ...
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Garmin 178C - page 128
118 Index Appendix I A Accuracy 69 Accuracy Alarm 90 Accuracy Circle 29 Active Route Page 19, 43, 64 Adjustments, Sonar 36 Adjustment Menu 15, 33, 34, 36 Alarm T ab 90, 91 Anchor Drag Alarm 90 Append to Route 47 Arrival Alarm 90 ARROW KEYP AD 1 AutoLocate 71 AutoZoom 27 B Background Color 39 Backlight 6 BACKLIGHT Key 1 Basemap 27 Battery Alarm 90 B ...
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Garmin 178C - page 129
119 Appendix I Index DSC Entry Review 80 DSC Log 80 DSC Position Report 78, 79 DSC Setup 81 DSC Simulation 82 DSC T ab 77-81 DSC T abs 82 Dual Frequency 14 E Editing Routes 60-63 Editing W aypoints 48, 49 Elevation Units 85 Entering Data 3 ENTER Key 1 Erasing T racks 75 F FCC Compliance ii Find 65, 66 FIND Key 1, 65 Find Options 66 Fish Alarm 91 Fi ...
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Garmin 178C - page 130
120 Appendix I Index MapSource 27 Map Cursor 9 Map Datums 85, 104, 105 Map Information Page 27 Map Item 11 Map Outlines 29 Map Page 8, 9, 22 Map Page Options 25 Map Scales 12, 24 Map Split Sonar Detail 39 Marking Position 44 Marking W aypoints 10 MARK Key 1, 44, 45 Measure Distance 26 MENU Key 1 MENU key 20 Merge Fr om Card 82 Messages 106, 107 MGR ...
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Garmin 178C - page 131
121 Appendix I Index Reset Max Speed 74 Reset Odometer 74 Reset T rip 74 Retail Demonstration 7 Reviewing Routes 60 Reviewing T racks 76 Reviewing W aypoints 48 Routes 57 Routes, Copying 59 Routes, Creating 57, 58 Routes, Deleting 59 Routes, Editing 60-63 Routes, Following 58, 59 Routes, Reviewing 58, 60 Routes, T racBack 54 Routes, T rip Planning ...
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Garmin 178C - page 132
122 Appendix I Index T emperature T ime Duration 83 T emperature Units 85 Thermoclines 115 T ides 72, 73 T ide T ab 73 T ime Format 86 T ime Offsets 110 T ime Zone 86 T racBack 54-56, 76 T racks, Deleting 76 T racks, Erasing 75 T racks, Reviewing 76 T racks, Saved 76 T racks, Saving 75 T rack Color 75 T rack Interval 75 T rack Logs 54, 55, 75 T rac ...
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Garmin 178C - page 133
GPSMAP178C Cover.indd 3 6/9/2004, 10:01:20 AM ...
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Garmin 178C - page 134
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. © Copyright 2004 Garmin Ltd. or its subsidiaries Garmin International, Inc. 1200 East 151 st Street, Olathe, Kansas 66062, U.S.A. Garmin (Europe) Ltd. Unit 5, The Quadrangle, Abbey Park Industrial Est ...
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