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Garmin 172 GPS Receiver User Manual

1. Unit Installation mm BR W N 90 l 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 bracket arms apart Turn counter clock wise to widen the bracket arms clockwise to tighten Adjust the unit angle and tighten the long mounting knob until snug To tilt the unit loosen the long mounting knob on the right side of the bracket assembly To rotate the entire bracket twist it left or right The bracket clicks as you turn it Tiahten all knobs once the desired viewina angle is obtained Slide the unit onto the bracket Adjust for optimal viewing Flush Mounting the GPSMAP 172 172C External Antenna Unit The GPSMAP 172 172C External Antenna only can be flush mounted on a flat panel When flush mounting the GPSMAP 172 172C be sure to choose an appropriately sized location for the unit Check that all cables reach the unit mounting location before beginning installation Use the Flush Mount Template provided in the box to determine a location Always wear safety goggles ear protection and a dust mask when drilling cutting or sanding To flush mount the GPSMAP 172 172C External Antenna ONLY Included Mounting Hardware 4 3mm Studs 4 Flat Washers 8 3mm Hex Nuts Tools not included Center Punch Drill 1 8 3mm Drill Bit 3 8 6mm Drill Bit Jig Saw 1 16 _ wm BR W NO 2mm Allen Wrench
2. 1 Press and hold the ENTER MARK key until the New Waypoint window appears then release it You see a default three digit name and symbol for the new waypoint 2 To accept the waypoint with the default name and symbol press ENTER to confirm the highlighted OK prompt 3 To enter a different name highlight the name field and press ENTER then use the ARROW KEYPAD to enter the new letters numbers and press ENTER when done You may use up to 10 alphanumeric characters for the name 4 To enter a different symbol highlight the symbol field to the left of the name and press ENTER then use the ARROW KEYPAD to highlight the new symbol and press ENTER 5 To enter optional comments depth or water temp highlight the appropriate field and press ENTER then use the ARROW KEYPAD to enter a value and press ENTER 6 To manually enter a set of coordinates highlight the coordinates and press ENTER then use the Reference ARROW KEYPAD to enter the new coordinates and press ENTER when done 7 When done use the ARROW KEYPAD to highlight the OK prompt and press ENTER to save the waypoint into memory Creating Waypoints Creating Waypoints Graphically Waypoints may also be quickly created with the Map Page cursor which allows you to point and shoot at any map position or map feature to create a new waypoint When you move the cursor over a map item you see a highlighted description of that item The GPSMAP 172 172C uses
3. 3 To exit press QUIT or highlight Next and press ENTER You may also activate a TracBack from any of the saved tracks on this tab To activate a TracBack from the Saved tab list 1 Using the ARROW KEYPAD highlight the track you wish to use for a TracBack and press NAV 2 The Follow lt track name gt automatically appears highlighted Press ENTER 3 Choose either Original which navigates you from the end to the start of your trip or Reverse which navigates you from the start to the end of your trip and press ENTER DSC Tab allows to control and set up DSC Digital Selective Calling features on the unit Reference 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 assist them in two major areas Distress Calls and Position Reporting Main Menu DSC Tab An emergency DSC Distress Call allows a vessel in trouble to transmit a substantial amount of infor mation in a single transmission or call without the need for voice communication When any nearby rescuer receives the DSC signal an alarm sounds and they immediately receive the position of the caller The rescuer may then choose to navigate Go To the callers position to assist or forward the call on GPS Cal List Log Diroctary Stun to the Coast Guard When the Coast Gu
4. E Editing Routes 46 49 Editing Waypoints 34 35 Elevation Units 71 Entering Data 3 ENTER Key 1 Erasing Tracks 61 F FCC Compliance ii Find 51 52 FIND Key 1 51 Find Options 52 Fish Alarm 77 Follow Routes 11 44 45 Follow Track 11 40 Full Screen Map 21 G General Tab 23 Going to a Destination 11 39 40 Go To 39 Go To Point 11 39 GPS Information Page 5 6 GPS Status 5 6 GPS Tab 5 54 57 GPS Tab Options 57 Grids 70 H Heading 71 Heading Line 24 Highway Page 15 28 Highway Page options 28 Highway Scale 28 How To Index viii I Initialize Position 57 Initializing 4 5 Installation 88 92 Interfacing 92 Invert Route 50 IN Key 1 18 20 K Keypad Usage 1 2 L Language 69 Lat Lon Grid 25 Light Sectors 24 Loran TD 70 78 79 Loran TD Setup 79 M Magnetic North 71 Main Menu 16 17 Main Menu Page 53 Main Menu Tabs 53 54 Main Pages 8 Map Set Up 22 MapSource 23 93 Map Cursor 9 Appendix H Index Map Datums 71 83 84 Map Information Page 23 Map Item 1l Map Outlines 25 Map Page 8 9 18 Map Page Options 21 Map Scales 12 20 Marking Waypoints 10 MARK Key 1 30 31 Mark Position 30 Measure Distance 22 MENU Key 1 17 Merge From Card 68 Messages 81 82 MGRS 70 MMSI Number 63 64 67 MOB 42 MOB Key 1 42 Moon Phase 60 Moon Rise Set 60 Moving Waypoints 33 35 N Navaids Tab 24 95 Appendix H Index Navigation Terms 85 86 NAV Key 1 39
5. GPSMAP 172 172C chartplotting receivers owner s manual Pina OF ELA aor Copyright 2004 Garmin Ltd or its subsidiaries Garmin International Inc Garmin Europe Ltd Garmin Corporation 1200 East 151 Street Unit 5 The Quadrangle Abbey Park Industrial No 68 Jangshu 2 Road Shijr Taipei County Olathe Kansas 66062 U S A Estate Romsey SO51 9DL U K Taiwan Tel 913 397 8200 or 800 800 1020 Tel 44 0870 8501241 Tel 886 2 2642 9199 Fax 913 397 8282 Fax 44 0870 8501251 Fax 886 2 2642 9099 All rights reserved Except as expressly provided herein no part of this manual may be reproduced copied transmitted disseminated downloaded or stored in any storage medium for any purpose without the express prior written consent of Garmin Garmin hereby grants permission to download a single copy of this manual onto a hard drive or other electronic storage 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 reserves the right to change or improve its products and to make changes in the content without obligation to notify any person or organization of such changes or improvements Visit t
6. Red DC Positive Pin 13 White RX COM 2 Pin 18 Black Ground Pin 17 Blue TX COM 1 Pin 16 Brown RX COM 1 Cable End View RXD green NMEA OUT Com 2 TX NMEA Device with Sonar Output TXD Alarm Relay GSD 20 100ma max tx Beacon coil current Receiver or ee DSC VHF yellow Alarm Low Interfacing The following formats are supported for connection of external devices Garmin proprietary GSD 20 Sonar Module and Differential GPS NMEA 0183 version 3 01 RTCM SC 104 input version 2 0 The following are the sentences for NMEA 0183 version 3 01 and later output Approved sentences GPBWC GPRMC GPGGA GPGSA GPGSV GPGLL GPBOD GPRMB GPRTE GPVTG GPWPL and GPXTE Proprietary sentences PGRME PGRMM PGRMZ and PSLIB The GPSMAP 172 172C also includes NMEA input with support for the WPL sentence DSC and sonar NMEA input with support for the DPT Depth MTW Water Temp and VHW Water Speed amp Heading sentences If connecting to COM2 for sonar NMEA input the unit interface must be set to NMEA In NMEA Out see page 72 If connecting to COM1 the unit must be set to NMEA In NMEA Out Installing and Removing Data Cards Appendix G The GPSMAP 172 172C uses optional Garmin marine BlueChart and MapSource data cards to display digital charts and maps on screen Data cards are installed in the card slot located at the bottom Installing and Removin
7. Since WAAS requires CPU resources of the GPSMAP 172 172C to search for and track the satellites you may disable the WAAS feature to improve unit performance if WAAS reception is not available in your area To disable enable WAAS capability 1 From the GPS tab press MENU then use the ARROW KEYPAD to highlight WAAS Off or WAAS On and press ENTER Receiver Status and Accuracy Receiver status is indicated at the top field of the page with the current Accuracy and Dilution Of Precision DOP to the right of the sky view Accuracy uses DOP and other factors to calculate horizon tal position accuracy in feet or meters Reference Main Menu GPS Tab eStart Simulator S HAAS Off m Track AutoLocate al Initialize Position Set 20 Elevotion GT ear Hoin Wera fo F M H H H a g ese S zE H Highlight WAAS Off and press ENTER to disable the WAAS capabilities 59 Reference Main Menu GPS Tab THH DUERI ni z pE i i E E lt E lt l CE When the GPSMAP 172 172C is using a differ ential correction signal either WAAS or DGPS a D is displayed at the bottom of the signal strength indicator bars for the satellites that are corrected 56 The status field shows one of the following conditions Looking For Satellites the receiver is looking for any satellites AutoLocate the receiver is looking for any satellite whos
8. to set the alarm to Off Dist Distance or Time Main Menu Alarm Tab Is istean Submeia Off Course sets an alarm to sound when you re off a desired course by a specified distance stem sSupmenu F y Enter a distance in the distance field and use the control field to turn the off course alarm on and off 76 Sonar Submenu Tab Reference Shallow Water Deep Water set alarms to sound when you enter an area of specified depth that is too shallow and or too deep You must be receiving sonar data for this function to work Main Menu Alarm Tab Water Temperature sets an alarm to sound when the transducer reports a temperature either above below inside or outside the specified values Fish sets an alarm to sound when the unit detects a fish of the specified size symbol s Ta To set an alarm 0 0 1 Use the ARROW KEYPAD to highlight desired submenu tab of the Alarm Tab pe Te 00 00 15 2 Highlight the field below the alarm name you wish activate and press ENTER troy Ot 0 00 3 Change the mode to the desired setting and press ENTER cro 4 Highlight the next field to the right and press ENTER then enter the desired settings and press a ENTER to finish Main Menu Alarm Tab 5 Ifyou want the alarm to display and beep until acknowledged highlight the Persist box and press Nav Submenu ENTER to place a check mark in the box You must be receiving NMEA Sonar data or usin
9. 0s12003 1200000 highlight the family name and press ENTER To view the notes for that area choose Show Notes cls 18447 B 10000 To scroll through the notes you may either highlight the notes press ENTER and use the ARROW lt _e KEYPAD to scroll UP DOWN LEFT and RIGHT or press MENU and choose the desired scroll option 23 Reference Map Page Options General Source ATITA Points Navaids Text Zoom Waypoints Medium Auto Active Route Medium Auto General Source Waypoints Zins Navaids Text Zoom Tide Stations Services aneral Source Waypoints Points CITATA R Symbol Set Auto Symbol Size Small Text Size Medium Light Sectors Auto nts Points Navaids CITAI Track Other Zoom Heading Line Off Bearing Line Off Course Line Auto lints Points Navaids Nav Line IETA Other Zoom Saved Tracks Auto Track Log Auto Waypoints Tab Points Tab Navaids Tab Nav Line Tab Track Tab Waypoints Tab Waypoints Active Route Text None Small Medium and Large controls the screen size of the name Zoom Auto Off 20 ft 800 mi sets the maximum scale at which the feature should appear on the screen Some types of data only shows up to certain zoom scales Points Tab Spot Soundings Tide Stations Services Text None except Spot Snd Small Medium and Large controls the screen size of the name Zoom Auto Off 20 ft
10. 69 Simulator Mode 7 11 15 Simulator Set Position 69 Simulator Speed 70 Simulator Track 70 Simulator Track Control 70 Simulator Transducer 70 Skyview Orientation 60 Software License i Software Version 70 Source Tab 23 Specifications 87 Speed Filter 69 Speed Units 71 Stop Navigation 11 Storage 87 Sun Rise Set 60 Symbol Set 24 System Information 70 System Mode 69 System Tab 70 T Table of Contents vii Temperature Scale 69 Temperature Tab 69 Temperature Time Duration 69 Temperature Units 71 Tides 58 59 Tide Tab 58 59 Time Format 72 Time Offsets 80 Time Zone 72 TracBack 40 42 62 Tracks Deleting 62 Tracks Erasing 61 Tracks Reviewing 62 Tracks Saved 62 Tracks Saving 61 Track Color 61 Track Interval 61 Track Logs 24 40 41 61 Track Record Mode 61 Track Tab 24 40 41 61 62 Track Up Below 23 Track Value 61 Transfer Mode 73 Trip Data 60 Trip Planning 49 Trip Tab 60 Turn Declutter On Off 26 U Units 70 71 Unit Care 87 User Datum 83 User Waypoint List 36 Appendix H W Index WAAS 55 57 Warnings iii Warranty iv Water Immersion 87 Water Temperature Alarm 77 Waypoints Creating 10 13 20 30 33 Waypoints Deleting 17 35 37 Waypoints Editing 34 35 Waypoints Moving 33 35 Waypoints Projecting 32 Waypoints Proximity 37 38 Waypoints Reviewing 13 34 Waypoints Tab 24 Waypoint List 36 Waypoint Menu Options 33 Waypoint Symbols 10 34 Wiring 92 Z Zoom
11. Orientation AutoZoom Color Mode Source Basemap Data Card Maps Waypoints Waypoints Active Route Points Spot Soundings Tide Stations Services Navaids Symbol Set Symbol Size Text Size Light Sectors Nav Line Heading Line Bearing Line Course Line Track Saved Tracks Track Log Other Accuracy Circle Lat Lon Grid Map Outlines To change a map setup feature 1 From the Map Page menu highlight Set Up Map and press ENTER 2 Move LEFT or RIGHT on the ARROW KEYPAD to highlight the desired tab then UP or DOWN on the ARROW KEYPAD to move the highlight to the setting you want to change and press ENTER 3 Move UP or DOWN on the ARROW KEYPAD to highlight to the desired setting and press ENTER To exit press QUIT General Tab Detail Most More Normal Less Least controls how much map detail displays Those features which have a specified scale or turned Off are unaffected by this setting Orientation North Up fixes the top of the map display to a north heading Track Up Below fixes the top of the map display to the current track heading and centers your position on the lower portion of the screen Set to Off for constant Track Up The numeric value is the range the unit switches to North Up when zooming out Course Up fixes the map so the Reference Map Page Options direction of navigation is always up and turns the navigation leg line vertical on the screen I Source
12. Serial Data Format field and press ENTER 2 Select NMEA In NMEA Out and press ENTER Advanced NMEA Output Setup The GPSMAP 172 172C NMEA data transmission can be customized to change the precision of the Lat Lon minutes set up the waypoint IDs and keep the output rate at two seconds If the unit is set up to output all of the available NMEA sentences the output rate may exceed two seconds The Advanced NMEA Output Setup page allows you to turn on off the GPS status GSA GSV Waypoint Route WPL RTE and the Garmin Proprietary sentences See page 92 for more information on wiring and NMEA data Lat Lon Minutes Precision allows you to adjust the number of digits to the right of the decimal point for transmission of NMEA Output either 2 3 or 4 digits The Waypoint ID setting lets you choose to output the waypoint identifiers as names or numbers To set up the Advanced NMEA page 1 Highlight NMEA In NMEA Out in the Serial Data Format field and press MENU Select NMEA Setup and press ENTER 2 To change the settings place the highlight over the desired field and press ENTER Make a selection and press ENTER again to accept the selection Reference Main Menu Comm Tab Activating NMEA data 1 Reference GPSMAP 172 172C NMEA Sentence Output NMEA version 3 01 compliant Always transmitted GPRMC GPGGA GPGLL GPBWC GPVTG GPXTE GPRMB GPBOD Switchable sentences GPGSA GPG
13. below the word Speed is highlighted on the System submenu tab and press ENTER 3 Use the ARROW KEYPAD to enter a speed of 40 knots 4 Press ENTER to finish and PAGE until you return to the Map Page Once a speed has been entered you ll notice that the map automatically begins to move slowly keeping your boat centered on the display The direction of movement also called track is controlled by the simulator You ll now have a clearer picture of the route you are navigating Keep in mind that whenever you do exceed the usable range of the built in database or the optional MapSource or BlueChart data in use the range field displays OVERZOOM to indicate that you should exercise extreme caution using the map data Press the IN key to zoom into the 2 nm scale Now that you ve zoomed in a little closer to your route you can pan ahead of your vessel with the cursor to review map items and create on screen waypoints Try moving the cursor to highlight the TOUR3 waypoint just use the ARROW KEYPAD to move the cursor as close as possible to the waypoint To move the cursor in small increments try a series of short key presses Once the cursor is over the TOUR3 waypoint you ll notice that the waypoint symbol and name becomes highlighted The data field at the top of the map displays the waypoint name the range and bearing from your present position and the coordinates for the waypoint To review the waypoint page fo
14. e System Mode select from Normal Normal Navigation or Simulator For practice ONLY SE ATaCTAREES 1i Set Position allows to set your location while in simulator mode See page 11 starting with step 2 for additional instructions Main Menu System Tab Normal Mode 69 Track Control Auto Track steers to the current navigation point User Track allows you to Reference enter a heading in the Track field Track lets you enter a heading Main Menu System Tab Speed lets you enter a speed Units Tab Transducer lets you simulate using a Depth Only Temp Only or Temp Speed transducer These fields only appear when the unit is in Simulator Mode SS SE us Tw e System Information displays the units software basemap version and electronic serial number Trp Ces Seer Press MENU for the following options Rout vanne track English e Defaults restores settings on System page to default values a e All Unit Defaul lisenn o Camine orma ineotortheemieun Myre te Unit Defaults restores all settings to Garmin s original setup values for the entire unit Te nen al atin z l amr Bato Track MEO 367 Units SubmenuTab defines settings for Position Format Map Datum Heading Distance Speed Elevation Depth and Temperature The following settings are available Main Menu System Tab Simulator Mode e Position Format is us
15. feature which allows you to center your search around an Mt 1 a Distance Bearing item that you have just found For example you search for Restricted Areas and the search shows an Coordinates of item Anchoring Prohibited search result If you press FIND again you see From Anchoring Prohibited as Ai Additional Option Buttons FIND key Find Options Using the Find options you may search from various map data and utilize variety of nearest criteria for all items except waypoints Available Find options are et crm aeaa sag e Nearest To Boat centers search from your boat current location i a l Core Creek Bridge e Nearest To Other allows you to choose another map location from which to search e Nearest To Next centers search from the next point of your active route e Nearest To Destination centers search from the last point of your active route To find an item using the find options Serer 1 From any page press FIND Find Menu Options 2 Using the ARROW KEYPAD highlight the desired category trom the list and press ENTER 3 From the search results list press MENU then highlight the desired option and press ENTER 52 Main Menu Page Reference The GPSMAP 172 172C 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 Main Menu Tabs available
16. right of the unit Data cards may be installed or removed at any time whether the unit is on or off DA a Cards g To install a data card 1 Open the card door by pressing together on the two handles at the bottom of the door and lifting it up and open 2 Insert the card into the slot with the label facing top and the handle towards you 3 Firmly push the card into the unit It in not necessary to force the card and about 1 2 is still exposed when it is properly inserted If the unit is on a confirmation tone sounds and a message displays on the screen noting the card details when the card has been properly installed ie 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 the Garmin or your Garmin dealer for assis tance Data cards are not waterproof should not be exposed to moisture or excessive static charges and should be stored in the case supplied with the card The first time you insert a data card the unit takes o_o To remove a data card a few seconds to read the 1 Open the card door by pressing together on the two handles at the bottom of the door and lifting it card up and open 2 Grasp the card handle and pull out firmly EE IE ee E 4 3 If the unit is on a confirmation tone sounds when the data card has been removed read a
17. 15 18 20 97 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 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 2 Road Shijr Taipei County Taiwan www garmin com Part Number 190 00321 00 Rev B
18. 172 172Cs adjustable screen backlighting is controlled with the POWER key The backlight can cycle through minimum user defined and maximum backlight levels by repeatedly pressing the POWER key To adjust the backlighting and contrast 1 Press POWER and the Light Contrast window appears 2 Press POWER again and the user defined level of backlighting activates You may adjust this level by pressing UP or DOWN on the ARROW KEYPAD If you press POWER one more time the back lighting is at the minimum setting Press LEFT brighter or RIGHT darker to adjust the contrast 3 Press ENTER or QUIT when done Each page of the GPSMAP 172 172Cs system also features an options page which gives you access Getting Started to other functions and features that relate to the specific page you are viewing To get a feel for how the options pages work lets put the GPSMAP 172 172C into simulator mode Simulator Mode To place the GPSMAP 172 172C in simulator mode 1 Press the MENU key twice for the Main Menu Press Up or Down on the ARROW KEYPAD until the GPS tab is highlighted then press the MENU key once 2 Use the UP or DOWN arrow of the ARROW KEYPAD to highlight the Start Simulator option and press ENTER Choose No to the retail demonstration and press the ENTER key 3 Press the ENTER key to confirm the Running Simulator message that appears at the bottom of the display Simulating appears at the top of the Main pag
19. 800 mi sets the maximum scale at which the feature should appear on the screen Some types of data only shows up to certain zoom scales Navaids Tab Symbol Set Auto GARMIN NOAA International controls the desired navaid symbol set Auto BlueChart maps are drawn using symbols similar to the NOAA NIMA standard Non BlueChart maps are drawn using traditional Garmin symbols GARMIN All maps are drawn using traditional Garmin symbols NOAA All maps are drawn using a symbol set similar to NOAA NIMA International All maps are drawn using a symbol set similar to the IALA symbol set Symbol Text Size Small Medium and Large controls the screen size of the symbol name Light Sectors Off Auto On controls the drawing light sectors on the map Color units indicate the actual color of each sector using the color of the light Off No light sectors are ever drawn Auto Light sectors appear when i oint to them with the map cursor On Light sectors are drawn for all lights that have them Nav Line Tab Heading Line On Off draws an extension from the end of the boat icon in the direction 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 line should appear on the screen Track Tab Saved Tracks Track Log Zoom Auto Off 20 ft 800 mi sets the maximum scale
20. 9 35 7mm Wrench Trim the Flush Mount Template and tape in the desired location Using a Center Punch indent the center of each Mounting Hole location Using a 1 8 3mm drill bit drill the four Mounting Holes Using a 3 8 6mm drill bit drill a hole for a location to begin cutting the mounting surface Using the Jig Saw cut the mounting surface along the inside of the dashed line indicated on the template Be very careful when cutting this hole there is only a small amount of clear ance between the unit and the Mounting Holes It may be prudent to cut slightly inside the indicated line and then sand or file the panel as needed to obtain the best fit Install the four Mounting Studs into the unit by screwing the shorter section into the back of the unit Use a 1 16 2mm Allen Wrench to tighten the Mounting Studs until the stops contact the case Be careful not to overtighten as this may damage the Mounting Stud The studs have a reus able thread locking patch pre applied from the factory Place the unit in position inside the cutout area of the mounting surface Place washers over the Mounting Studs then thread on one Hex Nut per Mounting Stud Tighten all four Hex Nuts until the unit is snug against the mounting surface Install and tighten the second Hex Nut on all four Mounting Studs to lock the first Hex Nut in place Appendix G Unit Installation Hex Nuts Washer 91 Appendix G Wiring and
21. Bangladesh India Nepal Indian Thailand Vietnam Indonesia 1974 Indonesia Ireland 1965 Ireland ISTS 073 ASTRO 69 Diego Garcia 83 84 Appendix D Map Datums Johnston Island Kandawala Kandawala Sri Lanka Johnston Island Kerguelen Islnd Kertau 1948 L C 5 Astro Liberia 1964 Kerguelen Island West Malaysia Singapore Cayman Brac Island Liberia 1964 Liberia Luzon Mindanao Luzon Mindanao Island Luzon Philippine Luzon Philippines excluding Mindanao Isl Mahe 1971 Mahe 1971 Mahe Island Marco Astro Marco Astro Salvage Isl Massawa Massawa Eritrea Ethiopia Merchich Merchich Morocco Midway Ast 61 Midway Astro 61 Midway Minna Minna Nigeria NAD27 Alaska North American 1927 Alaska NAD27 Bahamas North American 1927 Bahamas excluding San Salvador Island NAD27 Canada North American 1927 Canada and Newfoundland NAD27 Canal Zone North Am 1927 Canal Zone NAD27 Caribbn North American 1927 Caribbean Barbados Caicos Islands Cuba Dom Rep Grd Cayman Jamaica Leeward and Turks Islands NAD27 Central NAD27 CONUS NAD27 Cuba NAD27 Grmland NAD27 Mexico NAD27 San Sal North American 1927 Central America Belize Costa Rica El Salvador Guatemala Honduras Nicaragua North Am 1927 Mean Value CONUS North American 1927 Cuba North American 1927 Greenland Hayes Peninsula N American 1927 Mexico North American 1927 San Salvador Island N
22. GPSMAP 172 172C naviga tion pages by pressing the PAGE key three times When using the GPSMAP 172 172C in simulator mode the optional GSD 20 Map Sonar Page and Sonar Page are displayed see page 8 The Compass Page provides graphic steering guidance to a destination 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 re 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 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 arrow points any direction other than up turn toward the arrow until it points up then continue in that direction Because the compass rings uses GPS technology you must be moving in order for the track to display properly The current speed distance to the next waypoint turn angle and and time to the next waypoint display at the top of the screen When you are not navigating to a waypoint the compass shows your direction of travel as you move but the arrow does not appear The Compass Page allows for precision navigation to one degree of steerage The default page dis plays one row of medium numbers fields You may cu
23. Main Menu Trip from Reset Trip Reset Odometer Reset Max Speed or Reset All and pressing ENTER Celes Celestial Tab Celes Celestial Tab displays celestial data for sun and moon rise set moon phase and approxi mate skyview location of the sun and moon The moon phase displays the current visible portion of the ns moon as a light color You may display this data for your current position a position from the map or H rvs a Find item location Also you may select a different date and time or use the current data ft _ 00 02551 To choose another position cr a 1 From the Celestial tab highlight the At field and press ENTER te ___Reset Max Speed 2 The Find menu appears Make a selection and press ENTER until the information for that location faie R bioeeter is displayed on the Celestial tab See page 51 for more information on using the Find feature List a Am DA highlight any category except Other Location and press ENTER If you wish to reference a Find Main Meni Thin Tab item select trom the Find list and press ENTER The location the unit is using appears in the Date Time Position field The timetables displayed is based upon your current time zone You may change your time zone to view times from another zone Date Time Keep in mind this changes the time settings for the entire unit see page 61 Position To change the time or date BSS 3 ie k Sun M
24. The LORAN Position Format field is located under the Units tab in the Main Menu The LORAN TD Setup window contains the fields to select the Loran GRI Chain Number Primary and Secondary Stations and TD Offsets Loran TD Setup To setup Loran TD from the Main Menu 1 Using the ARROW KEYPAD highlight the Setup tab then press RIGHT to highlight the Units submenu tab Highlight the Position Format tield and press ENTER You may also press MENU from the Units tab to display the Loran TD On option If you use Loran TD On skip to step 3 2 Highlight Loran TD press ENTER then highlight Setup and press ENTER 3 To change the settings of any of the five fields highlight the field press ENTER select enter the desired setting and press ENTER 4 When done press the QUIT key to return to the Main Menu 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 and adjust the TD Loran TD Setup Window coordinates accordingly Remember that the GPS is not relying on the LORAN signal for navigation and actually converts the TD coordinate to a useful LAT LON coordinate in the background before storing the waypoint to memory or using it for navigation Because of this the unit can navigate to a TD coordinate anywhere in the world For more information on Loran TDs yo
25. Waypoints Points Navaids AutoZoom On Off when On the map automatically adjusts the map scale to a lower scale petal Normal as you approach you destination point General Tab orientation North Up Color Mode 172C For Sun For Dark 172 Water Mode Land Mode DEP me Sun Source Tab Basemap On Off turns the built in base map on or off Data Card Maps On Off turns all optional BlueChart MapSource data loaded on the data General EMT Waypoints Points Navaids card on or off The Data Card Maps option box shows a list of the optional BlueChart seme O MapSource data loaded on the data card Each area is described by name and may be dese Source Tab pata Card Maps On lected if you do not wish to display the data on the Map Page Data Cord ops _ To display the Map Information Page 1 Highlight the Data Card Maps option box and press ENTER 2 Use the ARROW KEYPAD to scroll through the list of maps tap Informatio 3 To select deselect a map family highlight the check box to the left of the name and press ENTER a to select deselect the map The map is selected and is displayed on the Map Page when an v Data Cara E Tt appears in the box adjacent to that map You may also press MENU and choose to Show All or Maps Map 20470075 20000 Show None and press ENTER Information 2te4T0070 29000 4 To display detailed information notes for each area or to turn individual maps in the family on off Kuge
26. all information needed for safe navigation and as always the user is responsible for their prudent use Use the GPSMAP 172 172C at your own risk To reduce the risk of unsafe operation carefully review and understand all aspects of this Owners Manual and thoroughly practice operation using the simulator mode prior to actual use When in actual use carefully compare indications from the GPSMAP 172 172C to all available navigation sources including the information from other NAVAIDs visual sightings charts etc For safety always resolve any discrepancies before continuing navigation CAUTION IT IS THE USER S RESPONSIBILITY TO USE THIS PRODUCT PRUDENTLY THIS PRODUCT IS INTENDED TO BE USED ONLY AS A NAVIGATIONAL AID AND MUST NOT BE USED FOR ANY PURPOSE REQUIRING PRECISE MEASUREMENT OF DIRECTION DISTANCE LOCA TION OR TOPOGRAPHY MAP DATA INFORMATION One of the goals of Garmin is to provide customers with the most complete and accurate cartography that is available to us at a reasonable cost We use a combination of governmental and private data sources which we identify as required in product literature and copy right messages displayed to the consumer Virtually all data sources contain inaccurate or incomplete data to some degree This is particularly true outside the United States where complete and accurate digital data is either not available or prohibitively expensive WARNING This product its packaging and its com
27. area with more detail Zooms in PAGE Key The PAGE key selects the main pages in sequence and returns display from a submenu page QUIT Key The QUIT key returns the display to the previous page and when entering data it restores the previous value cancels data entry ARROW KEYPAD The ARROW KEYPAD is used to select Highlight menu options and enter data It also controls cursor move ment on the Map Page 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 current location as a waypoint when pressed and held for more than one second MENU Key The MENU key displays a menu of available options for the current page Press twice or press and hold for more than one second to display the Main Menu NAV MOB Key The NAV key displays the Go To and Follow navigation menu MOB Man OverBoard actives the Man OverBoard navigation feature when pressed and held for more than one second FIND Key The FIND key activates the find function to search for nearby items and user waypoints POWER BACKLIGHT Key The POWER BACKLIGHT key turns on off the unit and adjusts the display illumination contrast Multiple presses toggle the units backlight between maximum user set and minimum brightness levels Getting Started Keypad Usage Arrow Keypad MOB Power Key Always press and release a key
28. at which the feature should appear on the screen Some types of data only display up to certain zoom scales Other Tab Accuracy Circle On Off toggles the circle On and Off The circle represents the o accuracy of the unit based on EPE DOP and basemap quality Your position is within the circle Lat Lon Grid Text None Small Medium and Large controls the screen size of the name Map Page Options Zoom Auto Off 20 ft 800 mi sets the maximum scale at which the feature should appear Map Outlines On Off toggles the coverage boxes for BlueChart MapSource data On and Off Reference From the map setup page you can access the following menu options by pressing MENU ints Points Navais Nav Line Track CNE Defaults restores settings back to factory settings for the tab highlighted Aocureoy Cirole E All Map Defaults restores settings back to factory settings for all tabs mae ia of Set Up Page Layout the layout of the data fields may be changed to show more fields with a smaller number size or less fields with a larger number size You may also choose to show a Compass Tape on the Map Page only To set up the page layout 1 Press the MENU key to display the Page options 2 Highlight Set Up Page Layout and press ENTER 3 The current setting displays press ENTER to change Use the ARROW KEYPAD to highlight the desired setting
29. available at the following web site http apollo ic gc ca english mmsi html For more information on MMSIs visit http www navcen uscg gov marcomms gmdss mmsi htm HOW CAN GARMIN HELP YOU WITH DSC To receive Distress Calls or Position Reports you must have a DSC equipped chartplotter as well as a VHF radio with DSC support During normal non emergency Position Report communication Channel 70 156 525 MHz has been set aside as the VHF DSC digital call channel For a Distress Call a mariner presses the MayDay button on their VHF radio The call transmits on an emergency channel with the 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 172 172C 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 from another users DSC capable VHF GPS combination Basic wiring is required for the Garmin unit and VHF radio to send and receive NMEA data from each other pg 92 DSC Distress Call With a Garmin DSC capable chartplotter sounder properly connected to a VHF radio with DSC output you may receive any DSC Distress Call within range A window pops up and a message dis plays when a Distress Call is received To notify you a Distress Call has been received an alarm sounds if enabled The alarm only sounds on a Distress Call and it does not sound
30. creating waypoints using map items If you select a new map point non map item as the Go To destination the GPSMAP 172 172C automatically creates or moves a waypoint named MAP at the cursor position The waypoint or map item name automatically appears when high lighted and NAV is pressed 39 Reference Going to a Destination TracBack Navigation 0 0 5 poke nt ROHN mee dee Go To MAP ml E ee Go To Point m Follow Reute og Follow Track E r Go To MAP Point allows you to navigate to a spot on the map that is not a waypoint or map item ed Boaz he FAH a it Highlight Save and press ENTER to save an active track log 40 To activate an existing waypoint or map item as a Go To from the map display 1 Use the ARROW KEYPAD to highlight the waypoint or map item on the screen and press NAV 2 With Go To lt waypoint name gt press ENTER To activate a new map point non map item as a Go To from the map display 1 Use the ARROW KEYPAD to move the arrow cursor to the desired position and press NAV 2 With Go To MAP Point highlighted press ENTER To stop navigation 1 Press the NAV key Use the ARROW KEYPAD to highlight Stop Navigation and press ENTER TracBack Navigation Follow Track The TracBack function allows you to retrace your path using the track log automatically stored in the receivers memory whi
31. display the information window at the top changes to show the distance bearing and position of the map cursor in relation to the waypoint s original position and a description of where the cursor is on the map If you wish to stop the move process press QUIT 4 With the pointer at the desired position press ENTER To return to the Waypoint Edit Waypoint Review page press QUIT On the Show Map map display an additional option is available by pressing MENU e Point to on Map Page returns to the highlighted waypoint on the main Map Page exits the Waypoint Review Waypoint Edit Page 35 Waypoint Lists The GPSMAP 172 172C s Main Menu Page features two waypoint submenu tabs User and Prox Waypoint Lists imity that let you manage a large number of waypoints quickly and efficiently The submenu tabs also provide a continuously updated proximity waypoint alarm function that can be used to define an alarm circle around submerged hazards shallow waters etc Reference Sub Tab j i dss Cea To access the waypoint submenus of the Main Menu mog 1 Press MENU twice highlight the Points tab using the ARROW KEYPAD then highlight the desired submenu tab User Waypoint List The User submenu of the Points tab displays a master list of all waypoints currently stored in memory From the User list you may review edit rename or delete individual waypoints or delete all user waypoints The total numbe
32. key and the New Map Waypoint window appears If the cursor is on a map item you get a new window with details about the item when ENTER MARK is pressed Press ENTER again on the highlighted Create Wpt option 3 Press ENTER to confirm the new waypoint using the default three digit name and symbol Selecting Map Scales The map display has 28 available range scales from 20 ft to 800 mi 5 m to 1200 km The map scale is controlled by the IN and OUT keys with the current scale displayed at the bottom right of the data window To select a map scale 1 Press the OUT key to zoom out and the IN key to zoom in A The scale value represents the distance from one end of the scale bar to the other The GPSMAP 172 172Cs system has a built in worldwide database to 20 mi with more detailed coverage available through the use of the optional BlueChart or MapSource data The GPSMAP 172 172C displays cartography as long as there is chart information available for the range you ve selected Map coverage conforms to the following conditions e When the selected zoom range is covered by either the internal database BlueChart or MapSource data cartography is displayed e When the selected zoom range is covered by both the internal database and BlueChart MapSource data cartography is displayed using the data with the best resolution e When the selected zoom range exceeds the resolution of the data in use overzoom cartography is displayed
33. may also adjust the NMEA output to enable disable certain sentences and adjust the number of Lat Lon output precision digits You must have one of the ports set to NMEA In NMEA Out to use this option Settings affects both Port 1 and Port 2 NMEA outputs To restore the Serial Data Format settings to the default Garmin Data Transfer 1 From the Comm tab press MENU highlight Defaults and press ENTER 73 Reference If Garmin DGPS or RTCM In NMEA Out format is selected additional fields are provided to control a Garmin differential beacon receiver directly from your GPSMAP 172 172C You may have the Main Menu Comm Tab unit 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 Tie prira 1 With the unit set to Garmin DGPS or RTCM In NMEA Out use the ARROW KEYPAD to high PGARMINDGPS n e Dis a light the Beacon field and press ENTER Ruto 4800 Scanning ice eee nee Status Field 2 Highlight Scan and press ENTER The numbers in the Frequency field changes as the unit scans ne ms n from 284 kHz to 325 kHz 200 bit rate then 100 at 6 second intervals Soer To restart the scan n 1 Press MENU highlight Restart Scan and press ENTER The Status field shows one of the following SNR and Distance s
34. or Delete All There are two ways to add a new entry into the directory To add a new Directory entry 1 Press Menu then highlight New Item and press ENTER 2 Or with the Directory Tab highlighted press the Arrow Keypad DOWN highlight an empty field and press ENTER to access the New Directory Item window The New Directory Item window allows you to input information of a known contact To add the MMSI number Name or Comment Press UP DOWN on the Arrow Keypad to highlight the MMSI Name or Comment field Press ENTER to highlight the first digit on that field Press UP DOWN on the Arrow Keypad to enter the numbers letters Press LEFT RIGHT on the Arrow Keypad to move to the next position Press ENTER to accept the entry Press UP DOWN on the Arrow Keypad highlight the Delete button and press ENTER to delete the entry or highlight the OK button and press ENTER to accept the entry oe ga Ee w After creating a New Directory Item entry the name created is attached to that particular MMSI number If you return to the Log the new name is displayed under the corresponding MMSI number Another way to input a name is from the Entry Review page or the DSC Distress Call or DSC Posi tion Report pages The Name field is only available in the GPS Names cannot be sent like the MMSI numbers to other DSC users DSC Setup Garmin chartplotters have the ability to turn DSC On or Off This option is benef
35. page 2 One of nine available planning figures 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 from the Route Review Page only press MENU and select Trip Planning from the options list Enter the figures tor Speed Fuel Flow Departure Time and Departure Date 4 Press QUIT to return to the Route Review Page A 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 fuel flow measure You should enter fuel flow rates based upon available information for your vehicle operator s manual performance specifications etc and make note of the desired units of measure gallons liters etc Reference Editing Routes GPSMAP TOUR TARI 4 bra Dirt oF TOURS ir oF TA F Press LEFT or RIGHT on the ARROW KEYPAD to change the data field a mmim 1e IT Trip Planning Data Fields 49 Reference Active Route Page Whenever you have activated a route in the GPSMAP 172 172C the Active Route page shows each point waypoint or map item of the active route with the point name distance and choice of Course ETA Fuel to point Leg Distance Leg Fuel Leg Time Sunrise and Sunset at point location or Time Active Route Page PETALI ARETE To point fo
36. review a a le a haem E selected position directly from the map display On i z H bs as information eur tabs To select an on screen waypoint or map item with the cursor 1 Use the ARROW KEYPAD to move the cursor to the desired waypoint or map item if there are Pressing ENTER MARK several waypoints grouped closely together zoom in closer for a better view while highlighting a map item brings up additional 2 When a waypoint or map item is selected it becomes highlighted on screen with the name details and options and position displayed Press ENTER to show details of the map item When using BlueChart or MapSource data additional information tabs appears Use the ARROW KEYPAD to highlight the individual tabs to display the information and additional options Option buttons 19 Reference Map Page Cursor and Zooming n hs N bis oa ETE Hew Map Waypoint Creating New Map Waypoint Fri L Using Built In Basemap 0 C Fri EE MILOJE Using BlueChart MapSource Data iar _ Oe Over econ Overzoom no additional data 20 To eliminate the cursor and re center your position on screen 1 Press the QUIT key The cursor may also be used to create new waypoints directly from the map To create a waypoint with the cursor 1 Use the ARROW KEYPAD to move the cursor to the desired map position 2 Press the ENTER MARK
37. summary screen coat EIRDDUDY a 200000 USE6SE4 1000 appears Press ENTER COP ATACO TD MARK to acknowledge Gami 93 Appendix H A Index Accuracy 55 Accuracy Alarm 76 Accuracy Circle 25 Active Route Page 16 29 50 Active Route Page Options 50 Active Track Log 61 Alarm Tab 76 77 Anchor Drag Alarm 76 Append to Route 33 Arrival Alarm 76 ARROW KEYPAD 1 AutoLocate 57 AutoZoom 23 B Backlight 1 6 Basemap 23 Battery Alarm 76 Bearing Line 24 Bearing Pointer 27 Beeper 69 BlueChart 23 24 93 C Capabilities v Card Tab 68 Celes Tab 60 Change Numbers 16 25 29 Cleaning 87 Clock Alarm 76 Color Mode 23 Communications Tab 72 76 Compass Page 14 27 Compass Page Options 27 Compass Ring 14 27 Contrast 1 6 Copying Routes 45 Course Line 24 Course Up 23 Creating Map Waypoints 13 Creating Routes 43 44 Creating Waypoints 30 33 Cursor 9 13 18 20 Customer Service i D Data Cards 93 Data Card Maps 23 Data Fields 16 25 Data Transfer 72 73 Datums 71 Daylight Savings 72 80 Declutter 26 Deep Water Alarm 77 Defaults 25 Deleting Routes 45 Deleting Tracks 62 Deleting Waypoints 35 37 Depth Units 71 Detail Map 23 DGPS 73714 92 DGPS Alarm 76 Distance Units 71 DSC Digital Selective Calling 63 DSC Call List 66 DSC Directory 66 67 DSC Distress Call 64 65 DSC Entry Review 66 DSC Log 66 DSC Position Report 64 65 DSC Setup 67 DSC Simulation 68 DSC Tab 63 68
38. take off on our practice route lets 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 that are provided by the optional BlueChart or MapSource data are also shown It also displays your track routes and nearby waypoints An on screen cursor lets you pan to other map areas determine the range and bearing to a position and perform various waypoint and route functions The data window located at the top of the page provides a user selectable display of various naviga tion data including speed over ground distance to the next navigation point compass ribbon and current position coordinates The current map scale setting is located at the bottom right of the page Using the Map Cursor Working from the Map Page is a simple process that centers around the use of the cursor Con trolled by the ARROW KEYPAD the cursor is an important tool that can be used to pan to other map locations mark and edit waypoints and routes and review position data of on screen map items and waypoints To get a feel for using the Map Page and using the cursor try the following exercise 1 Use the IN OUT keys to set the map scale to the 50 nm setting Your boat should be near the center of the map at the receiver s last known position If your boat isn t where it should be make sure that you have initialized the rec
39. the Highway Page options With Change Numbers highlighted press ENTER Use the ARROW KEYPAD to highlight TIME TO NEXT then press ENTER On the alphabetical list of options press UP or DOWN on the ARROW KEYPAD to highlight a selec tion Press LEFT or RIGHT to jump through the list a page at a time The scroll bar on the right side of the window indicates the current position on the entire list of options Select TIME OF DAY and press FO BR W N ENTER You may choose from several 5 Press QUIT when finished different types of data Press PAGE to see the last page appearing in the main sequence which is the Active Route Page Whenever you have activated a route or Follow Track this page shows each waypoint name along with useful data for each point As you navigate the route the information automatically updates to indicate the next point along the route For more detailed information on the Active Route Page see page 50 As you ve seen the primary pages provide map and navigation information The tours last page is the GFSHAP TOUR Current Site a ara Main Menu page which allows access to the GPSMAP 172 172C s waypoint route and planning func waypoint Pours ae Me i Il as vari ional and navigati f d celestial and tide d TOURS 37 Og ons as well as various operational and navigation setup features and celestial and tide data TOURS 16 6 399 ae The Main Menu is available from any pag
40. the map item text shown on the cartography as the default name and symbol for the new waypoint To create a new waypoint on an open map location 1 Use the ARROW KEYPAD to move the cursor to the desired map position 2 Press and quickly release the ENTER MARK key to capture the cursor position press and hold ENTER MARK to mark your present location not the map cursor s position 3 The New Map Waypoint page appears To accept the waypoint with the default name and symbol Creating a waypoint on press ENTER an open map location To change the name symbol position or add a comment depth or water temp highlight the appropriate field and press ENTER Make your changes and press ENTER when done After enter ing and confirming your changes highlight OK and press ENTER TE Toa as Kr n 6 N bis 030 Marblehead Lt Desih Area Border Lon H To create a new waypoint from a map feature 1 Use the ARROW KEYPAD to move the cursor and highlight the desired map feature 2 Press ENTER MARK to capture the cursor position An Information page for that map feature appears Use the ARROW KEYPAD to highlight Create Wpt and press ENTER 3 The New Waypoint page appears To accept the waypoint with the default name and symbol based on the map feature highlight OK and press ENTER To change the name symbol position or enter comments depth or water temp highlig
41. to perform its primary func tion Press hold for more than one second then release the ENTER MARK NAV MOB and MENU keys to activate their secondary function Getting Started Selecting Options Full Screen Measure Distance Measure Distance Set Up Map Set Up Page Layout Change Numbers Turn Declutter On Turn Declutter On GLI for Main Menu GL for Hain Menu Options Menu with Use the ARROW highlighted option KEYPAD to highlight the next option Press ENTER MARK to activate TEU sag 2FFses Pop up list of options for a highlighted field The GPSMAP 172 172Cs advanced keypad system is designed to allow for fast convenient selec tion of navigation options and data entry The Getting Started Tour introduces you to the keypad and provides a hands on lesson in using the GPSMAP 172 172C We strongly encourage you to take the Getting Started tour before using your unit for actual navigation The GPSMAP 172 172C Quick Refer ence Guide contains helpful tips on using the unit and performing various navigation tasks How To Select Options and Enter Data You can select and activate options and enter data to customize the GPSMAP 172 172C to fit your requirements You can use the ENTER MARK key and ARROW KEYPAD to select options enter names and numbers in data fields and activate your selections To select and activate an optional feature 1 With any page displayed press the MENU key to pop up the opt
42. try adjusting your boat speed and course to get a feel for how the Highway Page works To adjust the simulated boat speed heading from the Highway Page 1 Press the UP arrow of the ARROW KEYPAD to increase the speed in 10 knot kph mph increments Press the DOWN arrow to decrease the speed in the same increments Press the LEFT and RIGHT arrows of the ARROW KEYPAD to steer the boat Notice that as you get off course the highway moves to give you graphic guidance to get back on course You 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 current scale appears in the bottom right of the display To zoom in or out on the highway display 1 Press either the IN or OUT key to increase or decrease the zoom scale Getting Started Highway Page Data Fields Current Destination Desired Course Highway Page fi chet 20 0 1 4 002 ree RO 3 04 58 359 Next TOURZ Dest TOURS Steer towards the center of the highway to get back on course Getting Started The main pages data fields may also be configured to display several different information catego ries see pages 25 26 for the complete list On the Highway Page lets change the TIME TO NEXT Active Route Page field to TIME OF DAY Main Menu Page To change a data field 0 0 12 016 R172 03 43 013 Press the MENU key to display
43. uses an on screen pop up message system to alert you to unit operating characteristics Press the ENTER key to acknowledge and return to the page you were viewing Alarm Clock The alarm clock has sounded Alarm Voltage Set Too High Voltage range must be between 10 0 and 35 0 volts for the GPSMAP 172 172C Alarm Voltage Set Too Low Voltage range must be between 10 0 and 35 0 volts for the GPSMAP 172 172C Anchor Drag Alarm You have drifted out of the specified distance range Antenna Input Shorted To Ground Check antenna wiring connections or antenna replacement Approaching Waypoint You are a specified alarm distance from a destination waypoint Arrival At Waypoint You have arrived at the destination waypoint Basemap Failed Unit Needs Repair Internal problem with the unit Contact your dealer or Garmin Customer Service pg iv to have the unit serviced Battery Alarm Specified amount of input voltage has been detected Battery Voltage High Please Check Connection Input DC voltage is too high for unit Battery Voltage 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 Appendix C Messages Database Error Internal problem with the unit Contact your dealer or Garmin Customer Service pg iv to have the unit serviced Deep Water Alarm Specified deep w
44. 0 calls When calls are received they are 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 When DSC calls are received they are automatically stored in the Log with the latest call at the top The unit may store up to 100 logs Once 100 logs are received the oldest log file is removed when a new call is received The Log displays information of call Type Date Time Position and MMSI Name Pressing MENU from this page allows you to Sort By Time Sort By Name Sort By Call Type Delete only after highlighting a particular call and Delete All To Review a Call 1 From the DSC tab of the Main Menu and the Log or Call List tab highlighted press DOWN Arrow Keypad until the call you want to review is highlighted 2 Press ENTER to select the call DSC Entry Review The DSC Entry Review operates similarly to the Distress Page and Position Report Page This page has the additional option to Delete the displayed call From the DSC Entry Review you can Delete the entry Show on map or Create Waypoint and create a name for the entry DSC Directory The DSC Directory acts much like a phone book A user can save up to 50 contacts The directory lists by Name and MMSI number Pressing MENU from this page allows you to create a New Item Delete Item
45. 2C and oe nighttime dark bar or blue on 172C show across the time scale with the time progressing from left to a aad right Local time scales and sunrise sunset info may not be available for a few stations The solid light crs 3 vertical lines are in 4 hour increments and the light dotted vertical lines are in 1 hour increments A To rn ae 1 Date solid vertical line with the current time box at the top will indicate the time of day when using cur Points e rent date and will intersect the tide graph to show their relation oe Tide Chart Cord t n Hop 24 SEP 04 ae From Current Position 1078 85 N 25 46 27 1 Setup y gary ooo T3 129 H080 07 892 i seat ent Times Max Level oe an 1031 8 i aug OT Current Time Box Main Menu Tide Tab High Tide Curve Low Tide Curve Current Tide Height Bar 1 _ Tie Stetlees Day Miami Harbor Entrance Jj Min Level o8 aon 7 04 56 3 1 l tt 1105 a7 vst Ci Mow Haris Hi Key Biscayne Yacht Club Biscayne Ba eens TOM St Conaway The tide curve shows as a shaded area with higher tides being taller blue on 172C and lower a sa Ovide Mare Base Har tides shorter red on 172C The solid horizontal line with the current tide box on the left indicates O son Man Harber ran the current tide height The figure to the left of the line will show the current tide level The Mean Lower Low Water MLLW appears as a solid horizontal
46. 357 Erg i Current Position pahi 0 0 00 10 MAR 04 s _ Delete Shou Hap mt Highlight OK and press ENTER to use the default name and symbol Hio TE a A On 1T mfn a 01 neee Crearea Parii 29 4 H 35 00 167 Wo76 24 357 618 1 Eeten Modified Current Position Os 10 12 0 0 010 1O HAR 04 Highlight a field and press ENTER to enter a new symbol name com ment or depth 30 Creating and Using Waypoints The Garmin GPSMAP 172 172C stores up to 3000 alphanumeric waypoints with a user defined icon comments depth and water temperature available for each waypoint Waypoints can be created using three basic methods ENTER MARK key used primarily for marking your present position the ENTER MARK key also provides options that allow you to select a map position or map item from the map display e Graphically allows you to define a new waypoint position from the map display using the ARROW KEYPAD e Text Entry allows you to enter a new waypoint coordinates manually from a chart etc Marking Your Present Position The Garmin GPSMAP 172 172Cs ENTER MARK key lets you quickly capture your present posi tion or cursor or map item position in order to create a new waypoint You must have a valid position 2D or 3D fix to mark your present position This can be determined by looking at the GPS tab on the Main Menu To mark your present position
47. 42 68 Nav Line Tab 24 Nearest To Boat 52 Nearest To Destination 52 Nearest To Next 52 Nearest To Other 52 NMEA 72 73 75 76 92 NMEA Interface 75 NMEA Output Setup 75 North Reference 71 North Up 23 Numbers Changing 25 O Off Course Alarm 76 Orientation Map 23 Other Tab 25 OUT Key 1 18 20 Overzoom 20 P Packing List vi PAGE Key 1l Page Layout 25 29 Points Tab 24 Position Format 70 Power 4 6 POWER Key 1 17 Precautions iii Projecting Waypoints 32 Proximity Alarms 38 Proximity Waypoints 38 Proximity Waypoint List 37 Q QUIT Key 1 R Re evaluate Route 50 Receiver Status 55 56 Registration i Replace From Card 68 Reset All 60 Reset Max Speed 60 Reset Odometer 60 Reset Trip 60 Retail Demonstration 7 Reviewing Routes 46 Reviewing Tracks 62 Reviewing Waypoints 34 Routes 43 Routes Copying 45 Routes Creating 43 44 Routes Deleting 45 Routes Editing 46 49 Routes Following 44 45 Routes Inverting 50 Routes Reviewing 44 46 Routes TracBack 40 Routes Trip Planning 49 Route List Page 45 Route Review Options 46 Route Review Page 46 S Saved Tracks 24 62 Saving Tracks 61 Scale Highway 28 Scale Map 20 Selecting Options 2 Serial Number iv Serial Number Electronic 70 Service iv Setup Tab 69 Set 2D Elevation 57 Set Up Highway 29 Set Up Map 22 Set Up Page Layout 25 29 Shallow Water Alarm 77 Show Data 21 Signal Strength Bars 54 Simulated Tour 12 Simulator 57
48. AD83 North American 1983 Alaska Canada Nhrwn Masirah Nhrwn Saudi A Nhrwn United A Naparima BWI Obsrvtorio 66 Old Egyptian Old Hawaiian Oman Ord Srvy GB Pico De Las Nv Central America CONUS Mexico Nahrwn Masirah Island Oman Nahrwn Saudi Arabia Nahrwn United Arab Emirates Naparima BWI Trinidad and Tobago Observatorio 1966 Corvo and Flores Islands Azores Old Egyptian Egypt Old Hawaiian Mean Value Oman Oman Old Survey Grt Britn England Isle of Man Scotland Shetland Isl Wales Canary Islands Potsdam Potsdam Germany Ptcairn Ast 67 Prov S Am 56 Prov S Chln 63 Puerto Rico Qatar Pitcairn Astro 67 Pitcairn Prov So Amricn 56 Bolivia Chile Colombia Ecuador Guyana Peru Venezuela So Chilean 63 S Chile Puerto Rico amp Virgin Isl Qatar National Qatar Qornog Qornog South Greenland Reunion Reunion Mascarene Island Rome 1940 Rome 1940 Sardinia Isl RT 90 Sweden Santo Dos Santo Dos Espirito Santo Sao Braz Sao Braz Sao Miguel Santa Maria Islands Sapper Hill 1943 East Falkland Island Sapper Hill 43 Schwarzeck Schwarzeck Namibia Sth Amrcn 69 S American 69 Argentina Bolivia Brazil Chile Colombia Ecuador Guyana Paraguay Peru Venezuela Trin Tobago South Asia South Asia Singapore SE Base Southeast Base Porto Santo and Madiera Islands SW Base Southwest Base Faial Graciosa Pico Sao Jorge an
49. ENTER again to confirm 45 Reference Route Review Page Route Name Data Fields Route Points Route Review Options Menu 46 Route Review Page Once you have created a route the Route Review page allows you to edit a selected route To 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 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 the ARROW KEYPAD to enter the desired name and press ENTER when finished Once you are on the Route Review page you may review 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 2 On the Point Review window you may choose Next highlight the next 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 If the route point is a user waypoint you may edit any of the waypoint properties on the Waypoint Review page see pages 34 for details Once you are back on the Route Point List the next point in the ro
50. GS FOG RUN Route List Page te Senet The GPSMAP 172 172C Route List page Route tab of the Main Menu displays all the routes a currently stored in memory along with a descriptive name for each route By pressing MENU while on EEN To Pott the Route List page the following menu options appear New Route page 44 Copy Route Delete tr Te ee Route or Delete All Sam To select and follow a route am c 1 On the Route List page use the ARROW KEYPAD to highlight the desired route and press NAV i ypichienligiwa vote aieo 2 With Follow lt route name gt highlighted press ENTER Highlight Activate or Invert and the Route List and press NAV the activate and press ENTER name automatically appears To deactivate stop following the route 1 Press the NAV key highlight Stop Navigation and press ENTER i To copy or delete a route a 1 From the Route List using the ARROW KEYPAD highlight the route you want to copy or delete i and press MENU Cari 2 Choose either Copy Route or Delete Route and press ENTER and with OK highlighted press tee ENTER again to contirm a deletion Copy uses the same route name with an additional number Fhe starting at 1 at the end of the route name MO ar nee To delete all routes Route List Options Menu 1 From the Route List press MENU 2 Highlight Delete All and press ENTER With OK highlighted press
51. Interfacing You can download a copy of Garmin s proprietary communication protocol from the Help and Support section of our web site at www garmin com Documentation concerning NMEA amp RTCM formats and sentences are available for purchase from National Marine Electronics Association NMEA Seven Riggs Avenue Severna Park MD 21146 U S A 410 975 9425 410 975 9450 FAX www nmed org Radio Technical Commission For Maritime Services RTCM 1800 Diagonal Road Suite 600 Alexandria VA 22314 2480 U S A 703 684 4481 Info Only 703 836 4229 FAX www rtcm org 92 Connecting the Power Data The power data cable connects the GPSMAP 172 172C to a DC system and provides interface capabilities for connecting external devices The color code in the diagram below indicates the appro priate harness connections Replacement fuse is a AGC 3AG 2 0 Amp fuse For wiring the GPSMAP to a GSD 20 Sonar Module refer to the GSD 20 Installation Guide 190 00255 00 red 10 35 vDC Note During a typical installation only the Red To Unit and Black wires are used E fe pm O peg Power Source blue NMEA OUT Com 1 TX il The other wires do not H have to be connected for normal operation of the brown NMEA IN Com 1 RX RXD Autopilot white RTCM NMEA IN Com 2 RX NMEA Device unit Replacement fuse AGC 3AG 2 0 Amp Pint Yellow Alarm Pin 14 Green TX COM 2 Pin 15
52. LL OTHER WARRANTIES EXPRESS OR IMPLIED OR STATUTORY INCLUDING ANY LIABILITY ARISING UNDER ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE STATU TORY 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 WHETHER RESULTING FROM THE USE MISUSE OR INABILITY TO USE THIS PRODUCT OR FROM DEFECTS IN THE PRODUCT Some states do not allow the exclusion of incidental or consequential damages so the above limitations may not apply to you Garmin retains the exclusive right to repair or replace the unit or software or offer a full refund of the purchase price at its sole discretion SUCH REMEDY SHALL BE YOUR SOLE AND EXCLUSIVE REMEDY FOR ANY BREACH OF WARRANTY Products sold through online auctions are not eligible for rebates or other special offers from Garmin Online auction confirmations are not accepted for warranty verification To obtain warranty service an original or copy of the sales receipt from the original retailer is required Garmin will not replace missing components from any package purchased through an online auction To obtain warranty service contact your local Garmin authorized dealer or call Garmin Product Sup port 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
53. Modify the route name or delete the previous route name Route Does Not Exist lt route name gt Route has been renamed or removed from memory and cannot be used Route Is Full You have attempted to add more than 50 points to a route Reduce the number of points or create a second route Route Memory Is Full Can t Create Route Maximum amount of 50 routes is already in the units memory and no additional routes can be added until existing ones are removed Route Truncated An uploaded route from another device has more than 50 points Reduce the number of points Running Simulator The unit is in simulator practice mode Shallow Water Alarm Specified shallow 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 serviced Track Already Exists lt track name gt You have entered a saved track name that already exists in memory Modify the track name or delete the previous track name Track Memory Is Full Can t Create Track Track log memory is full No additional track log data can be stored without deleting old data to create memory space Track Truncated A complete uploaded track does not fit into memory The oldest track log points were deleted to make space for the most recent data Transducer Disconnected Sonar Turned Off No transducer attached or bad cable tr
54. NTER To turn proximity alarms on or off 1 Use the ARROW KEYPAD to highlight the field below Proximity Alarm and press ENTER 2 Select the desired ON or OFF setting and press ENTER The following options are available from the Proximity submenu of the Points tab e Delete Alarm removes selected waypoint from proximity list Delete All removes all waypoints from proximity list To display the waypoint menu options 1 Using the ARROW KEYPAD highlight the Proximity tab and press MENU To clear one or all proximity waypoint s from the list 1 Use the ARROW KEYPAD to highlight the proximity waypoint to clear and press MENU 2 To clear a single alarm highlight the Delete Alarm option and press ENTER 3 To clear all proximity waypoints select the Delete All option and press ENTER 4 Use the ARROW KEYPAD to highlight the OK prompt and press ENTER to confirm Going to a Destination Reference Using the NAV key the GPSMAP 172 172C provides three ways to navigate to a destination Go To Point Follow Route and Follow Track TracBack Once you are actively navigating you see a Going to a Destination straight line that always runs from your current location to the destination on the Map Page The easiest method for selecting a destination is the Go To function which lets you select a destination point then quickly sets a direct course from your present position If you hi
55. OWN arrows to move up or down and the LEFT RIGHT arrows to move sideways 2 Pressing the ENTER key with the field highlighted begins the process for entering data in the form of alohanumeric characters 3 Use the ARROW KEYPAD UP DOWN arrows to cycle through numbers 0 to 9 plus minus symbols 38 51 334 N 3851 3357 094 47 931 U094 47 931 Pressing UP or DOWN N on the ARROW KEYPAD changes numbers and letters blank space and the alphabet Pressing and releasing the keypad moves you character by character F through the list Pressing and holding the keypad moves you rapidly through the list N 38 5 1 335 N 38 91 333 i n nadie W094 47 931 1094 47 931 4 Use the ARROW KEYPAD LEFT RIGHT arrows to move to the next character on the line or back wards to edit characters If there are more than two lines of data keep pressing to the RIGHT to Pressing LEFT or RIGHT Pid on the ARROW KEYPAD moves the cursor along the line or to the next line drop down to the next line 5 When data entry is completed press ENTER to accept data then move to the next programmable field Not all data fields are programmable such as the date and time When moving about a page with these fields the cursor skips over them E teen Data Entry Field Every field and button on this page The waypoint can be renamed Terze can be programmed or activated Pett Svs Te A depth can be entered ae oa i A waypoint
56. ROW KEYPAD to high light the ANCHOR symbol 8 Press ENTER to confirm the ANCHOR symbol 9 Highlight OK at the bottom of the window and press ENTER again to confirm the OK prompt and save the waypoint You can choose from a list of useful symbols h Saa T i ioh J hically f There are two Diver Down waypoint The waypoint is now stored in memory Note that waypoints may also be created graphically from symbols to select from the International and the map display or by manually entering position coordinates Each of these techniques is described in U S versions thes reference section of this manual Going to a Destination GPS is all about marking positions as waypoints and navigating to them using the receiver s steer ing guidance and map displays We ve already seen how to use the ENTER MARK key to store our present position so it s time to move on to the fun part going to a destination The NAV MOB key located on the keypad above the QUIT key is the primary tool used to select a destination waypoint TracBack or a route to navigate The NAV key can be used in two primary ways Pressing NAV once displays a list of options from which you can select Go To Point Follow Route Follow Track or Stop Navigation Highlighting an on screen waypoint or map item as a destination directly from the Map Page and pressing NAV allows you to graphically select points to Go To For
57. SI number or the Name of the caller Card Tab interface control for saving waypoints routes and tracks to a data card When data is saved to a data card it may be exchanged with other compatible units and Garmin MapSource PC program To transfer data to from a data card 1 Insert the data card If there is already user data on the card highlight User Card and press ENTER From the Card tab select the checkbox next to each type of item you want to transfer You may also press MENU and choose to Select All or Clear All 2 Highlight Save To Card and press ENTER to save the selected items to the data card 3 If transferring data from the card to the unit highlight Merge 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 once the data has been transferred Press ENTER Map Tab contains setup options for the Map Page See page 21 Hiway Tab contains setup options for the Highway Page See page 29 Temp Temperature Tab displays the water temperature log if equipped with a temperature Reference transducer sensor The chart reads from right to left so that the most recent temperature measured is displayed on the far right side of the chart The dotted lines within the chart indicate intervals in the temperature scale and the du
58. SV GPWPL GPRTE Main Menu Comm Tab Alarm Tab Garmin proprietary PGRME PGRMZ PGRMM a Alarm Tab contains setting for the units alarms The Alarm tab is divided into three submenus Tide yet Deta rarmat mop ied mea System alarms Nav alarms and Sonar alarms foe Zac Here System Submenu Tab Track off ae Clock provides an alarm for the system clock Enter a time in the time field and turn the hinat AKAK 4 digits alarm on and off from the control field menu Remember to enter alarm times in the same time ss format UTC or local you re using for your system The unit must be on for the clock alarm to Comm obese retteleetre Alorm work Advaricod NMEA Battery sets an alarm to sound when the battery is reaching a critical state of discharge Setup Page DGPS sets an alarm to sound when the unit loses a differential fix Accuracy sets an alarm to sound when the GPS position accuracy falls outside the user set GPS STE Nov Sonor value Dair at Nav Submenu Tab Ronio oat a Track pm ae Anchor Drag sets an alarm to sound when you ve exceeded a specified drift distance Enter a pam a value in the distance field and use the control field to turn the alarm on and off a xn a Arrival sets an alarm to sound when you re a specified distance or time away from a destina Com tion waypoint Enter a distance radius or time for sounding the alarm and use the control field
59. TER 5 Make any other desired changes to the new waypoint data name symbol etc then highlight OK and press ENTER to save the waypoint Waypoint Menu Options Two additional options are available by pressing MENU on the New Waypoint and New Map Waypoint Pages Append To Route and Move Waypoint these menu options also appear on the Waypoint Edit and Waypoint Review pages e Append to Route Adds the new waypoint to the end of a route e Move Waypoint Allows you to move the waypoint to a new location on the map display To append a new waypoint to a route 1 Select Append To Route from the options menu 2 The Select Route screen appears Highlight the desired route or select New Route and press ENTER 3 With OK highlighted press ENTER to save the waypoint To move a waypoint 1 Select Move Waypoint trom the options menu 2 The selected waypoint is centered and highlighted on a map display Use the ARROW KEYPAD to move the waypoint to the new position and press ENTER Press QUIT to exit Reference Creating Waypoints Append To Route Move Waypoint A for Main Menu Waypoint Options Menu Use the ARROW KEYPAD to move the waypoint to a new position on the map 33 Reference Reviewing and Editing Waypoints Once you have created and stored a waypoint it may be modified reviewed renamed moved or Reviewing Editing Waypoints deleted at any time throu
60. 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 warranty repairs Garmin International Inc 1200 E 151st Street Olathe Kansas 66062 U S A Tel 913 397 8200 Fax 913 397 8282 Garmin Europe Ltd Unit 5 The Quadrangle Abbey Park Industrial Estate Romsey SO51 9DL U K Tel 44 0870 8501241 Fax 44 0870 8501251 Designed for detailed electronic charting capability the Garmin GPSMAP 172 172C is a powerful navigation device that can give you the information you need Precision Performance 172 10 level grayscale FSTN display with backlighting 172C 256 color CSTN display with backlighting 12 channel parallel receiver tracks and uses up to 12 satellites for fast accurate positioning WAAS Capable receive signals from the additional set of WAAS Wide Area Augmentation System satellites to give you better accuracy Differential Ready just add an optional Garmin beacon receiver for better than 5 meter accuracy Fully gasketed high impact plastic alloy case waterproof to IEC 60529 IPX 7 Advanced Navigating and Plotting 3000 alphanumeric waypoints with selectable icons and comments Built in Worldwide basemap to 20 miles includes detailed ocean river and lake coastlines cities interstates US state highways and local thoroughfares 50 reversible routes with up to 50 waypoints each Uploadable ma
61. Wrap e There must be at least two track log points stored in memory to create a TracBack route Reference TracBack Navigation Default Track name Total Distance 93 4 106 4700 ho Change color or _ave style of track line Check this box to display track Total number of points You must first save a track before using the Follow Track option If there are no saved tracks the message There are no saved Tracks to follow appears after you select Follow Track 41 42 Reference TracBack Navigation MOB Man OverBoard PEST Te HOE 10 0 1 0 s The MOB function allows you to quickly activate a course back to a location is Ta PERC Tih sitet 05 38 F E p Stop Nowigation If er 7 aded NE Highlight Stop Navigation and press ENTER to stop navigating e If the track log interval is set to the Time option the route may not follow your exact path keep the interval set to resolution for best performance e Ifthe receiver is turned off or satellite coverage is lost during your trip the TracBack draws a straight line between any point where coverage was lost and where it resumed e Tf your track logs changes in distance and direction are too complex 50 waypoints may not mark your path accurately The receiver then assigns the 50 waypoints to the most significant points of your track and
62. ack log Tab Erase allows you to clear the active track log currently stored in memory 61 Reference Main Menu Track Tab SERE Reviewing a saved track 172 C shown Tide Trip Coles Ponts _ o _ __ Trok PUM psc Go To Point Cord Follow Route Hoe Follow Track Hew a Stop Movigation Tomp Saer Sotup Comm The track name automatically appears when highlighted on the Saved list and NAV is pressed 62 Saved Submenu Tab manages a list of any saved track logs allows TracBack activation map display of saved logs The active log stores up to approximately 10 000 track log points based upon the criteria specified in the Track settings Up to 15 track logs may be saved in memory with up to 700 track log points in each saved log On the Saved tab the following options are available by highlighting a track and pressing MENU e Review On Map displays the saved track log on a Track Map page e Delete Track deletes highlighted saved track log from memory e Delete All deletes all saved track logs from memory To review and edit a track 1 On the Saved Track tab of the Main Menu highlight the desired track and press ENTER The Saved Track window appears 2 You may rename the track choose to show the track on the Map and Highway pages delete the track or view the track on a map window
63. acks are shown on the Highway ed E en display Use the ARROW KEYPAD and ENTER key to select deselect the desired options Four the options you wish itis User Waypints Coles Track Log options are available to show hide on the e Active Route Waypoints all active route waypoints Highway Page e User Waypoints only nearby waypoints Track Log current active track log e Saved Tracks any saved track logs Preview Window Set Up Page Layout allows you to change the layout of the data fields to show more fields with a smaller number size or less fields with a larger number size See page 25 Selecting the Setup Highway Change Numbers allows you to specify the type of data displayed in each data field used on option takes you to the Hiway the map display For detailed instructions on changing the data fields and layout of the Highway page tab of the Main Menu see pages 25 20 Active Route Page aan Tn appoint Distance Course Whenever you have activated a route in the GPSMAP 172 172C system the Active Route page Toure saz shows each waypoint of the active route along with various user selectable types of data For addi TOURA 5a 5 tional details on the Active Route Page see page 50 ea a BE SI Active Route Page 29 Reference Creating Waypoints rie Tut tlhe A l t On e ET wi be Mew Waypoint a 001 Tomever ed Wo asor 294 Wore2d
64. age or operating conditions may cause failure of the LCD screen This type of failure and related conse quences are NOT covered by the manufacturer s limited warranty To swivel mount the GPSMAP 172 172C display Tools not included Drill Screwdriver Phillips or Standard three 8 4mm pan head machine bolts with matching nuts and washers and a 5 32 5mm drill bit OR three 8 pan head self tap ping screws and an appropriately sized drill bit for drilling starter holes Always wear safety goggles ear protection and a dust mask when drilling cutting or sanding Using the swivel base as a template mark the location of the three holes that are used to secure the bracket to the mounting surface If securing the base with machine bolts drill three 5 32 5mm holes at the locations you marked OR if securing the base with self tapping screws drill starter holes at the locations you marked Starter holes should generally be no deeper than half the screw length Secure the swivel base with three bolts or screws DO NOT OVERTIGHTEN Place the rest of the mount over the swivel base and secure with the short knob Appendix G Unit Installation Secure the base and attach the mount OK The swivel base is designed to be secured using a pan head screw or machine bolt If you use a screw with a countersunk head you risk damaging the Mounting Base 89 Appendix G Installing the Unit on the Mounting Bracket
65. align along your current track heading WAAS Capability The GPSMAP 172 172C is capable of receiving WAAS Wide Area Augmentation System satellite signals WAAS is an FAA Federal Aviation Administration funded project to improve the overall accu racy and integrity of the GPS signal for aviation use but land sea based users may also benefit from this system At this time the system is still in the development stage and is not fully operational There are currently two WAAS satellites that can be received in the U S A one over the Atlantic Ocean and one over the Pacific Ocean in a geo stationary orbit over the equator Effective use of the WAAS satellite signal may be limited by your geographic location in relation to those satellites now in developmental service WAAS satellite signal reception requires an absolute clear view of the sky and works best when there are no nearby obstructions such as buildings mountains etc WAAS satellites are numbered 33 or higher when viewing the sky view on your GPSMAP 172 172C Initial reception of the WAAS signal may take up to 15 20 minutes then 1 2 minutes 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
66. 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 Time Format 12 hour 24 hour military or UTC time also called Greenwich Time Time Zone choose your time zone to show correct local time or choose Other and enter a UTC Offset The UTC offset is how many hours you are ahead or behind the time line See the table on page 80 for time offsets e Daylight Savings choose from Auto On or Off to adjust for daylight savings Comm Communications Tab lets you control the input output format used when connecting your GPSMAP 172 172C to external NMEA devices a DGPS beacon receiver a personal computer another Garmin GPSMAP 172 172C etc Ifa DGPS receiver is used WAAS capability is automatically turned to Off The unit supports two input output ports See page 92 for more information on wiring and NMEA information Individual Port settings are Port 1 e Garmin Data Transfer the proprietary format used to upload download MapSource data exchange waypoint route track almanac and proximity data with a PC or another Garmin GPSMAP 172 172C When you select Garmin Data Transfer there 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 Se
67. and an overzoom warning appears below the scale field Map Page Options Many features of the GPSMAP 172 172C are menu driven Each of the main pages have an options menu allowing you to custom tailor 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 may be configured to display any one of several data options The data window layout may also be changed to display addi tional data fields and change the actual size of the data displayed The GPSMAP 172 172C s Map Page provides 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 desired option and press ENTER The available options are Full Screen Map Show Data Measure Distance Set Up Map Set Up Page Layout Change Numbers and Turn Declutter On Off Following are details on using each of these options Full Screen Map Show Data toggles between a Map Page without or with data fields on the map display The unit defaults back to Show Data the next time it is powered on To maximize the map show data fields 1 Highlight the Full Screen Map option and press ENTER The Map Page is now maximized with no data fields 2 To show t
68. ansducer Transfer Complete The unit has finished uploading downloading infor mation to the connected device Water Speed Sensor is Not Working Speed sensor is not detected Check connections Waypoint Already Exists lt waypoint name gt You have entered a waypoint name that already exists in memory Modify the waypoint name or delete the previous waypoint name Waypoint Memory Is Full Can t Create Waypoint You have used all 3000 waypoints available Delete unwanted waypoints to make space for new entries Adindan Adindan Ethiopia Mali Senegal Sudan Afgooye Afgooye Somalia AIN EL ABD 70 Anna Ast 65 ARC 1950 ARC 1960 Ascnsn Isld 58 Astro B4 Sorol Astro Ben E Astro Dos 71 4 Astr Stn 52 Aus Geod 66 Aus Geod 84 Austria Bellevue IGN Bermuda 1957 Bogata Observ Campo Inchspe Canton Ast 66 Cape Cape Canavrl AIN EL ANBD 1970 Bahrain Island Saudi Arabia Anna Astro 65 Cocos I ARC 1950 Botswana Lesotho Malawi Swaziland Zaire Zambia Zimbabwe Kenya Tanzania Ascension Island 58 Ascension Island Sorol Atoll Tern Island Astro Beacon E Iwo Jima Astro Dos 71 4 St Helena Astronomic Stn 52 Marcus Island Australian Geod 66 Australia Tasmania Island Australian Geod 84 Australia Tasmania Island Austria Efate and Erromango Islands Bermuda 1957 Bermuda Islands Bogata Obsrvatry Colombia Campo Inchauspe Argentina C
69. anton Astro 1966 Phoenix Islands Cape South Africa Cape Canaveral Florida Bahama Islands Carthage Carthage Tunisia CH 1903 Chatham 1971 CH 1903 Switzerland Chatham 1971 Chatham Island New Zealand Chua Astro Croatia Corrego Alegr Djakarta Djakarta Batavia Sumatra Island Dos 1968 Dutch Easter Isld 67 European 1950 European 1979 Finland Hayfrd Gandajika Base GDA Geod Datm 49 Guam 1963 Gux Astro Hjorsey 1955 Hong Kong 63 Hu Tzu Shan Indian Bngldsh Indian Thailand Indonesia 74 Ireland 1965 ISTS 073 Astro Chua Astro Paraguay Appendix D Croatia Corrego Alegre Brazil Map Datums Indonesia Dos 1968 Gizo Island New Georgia Islands Dutch Easter Island 1967 European 1950 Austria Belgium Denmark Finland France Germany Gibraltar Greece Italy Luxembourg Netherlands Norway Portugal Spain Sweden Switzerland European 1979 Austria Finland Netherlands Norway Spain Sweden Switzerland Finland Hayford Finland Gandajika Base Republic of Maldives Geocentric Datum of Australia The User datum is based on a WGS 84 Local datum and is an advanced feature for unlisted or custom datums To learn more check your local library or on the world wide web for educational materials on datums and coordinate systems Geodetic Datum 49 New Zealand Guam 1963 Guam Island Guadalcanal Island Hjorsey 1955 Iceland Hong Kong Taiwan Indian
70. ard receives the call they can immediately access the caller s Tee a TO HaR 04 00000001 information such as who they are and the type of vessel in their database while they are in transit to bot the callers position A non emergency DSC Position Report allows mariners to exchange and display the positions of a one another Once a DSC position is received the mariner may choose to create a waypoint or to show or the received position on an electronic map Pall Any time a vessel receives a DSC call they can store that location and quickly navigate to that position using a Go To This makes DSC a time saver especially in an emergency situation In order to DC Th use DSC users must first register their VHF radio with the FCC and receive a Maritime Mobile Service Identity MMSI number What is A Maritime mobile service identity MMSI Maritime Mobile Service Identity MMSI basically allows a VHF radio to act like a phone In order to make a call on a phone you first need a phone number to dial The 9 digit MMSI number acts like a phone number when used in a Position Report and as a unique identifier to the Coast Guard when used in an emergency Distress Call In order to obtain a Maritime Mobile Service Identity MMSI number users must register their VHF radio with the FCC Form 605 Garmin does not supply this number 63 64 Reference Main Menu DSC Tab HOW ARE MMSI ASSIGNMENTS OBTAINED Non commercial use
71. are only alerted to the closest proximity waypoint Reference Waypoint Lists BAIT Name Field a SHIPURECK Waypoint List JLA Tae You can also search for a waypoint by name 1 Highlight the name field and press ENTER 2 Use the ARROW KEYPAD to select the first 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 Press ENTER when you see the name 5 Highlight the name on the list and press ENTER again to review the waypoint When done highlight OK and press ENTER 37 Proximity Waypoint 38 Reference Waypoint Lists Proccinaity Alarma SEEUTESIARET ECES A dashed circle appears showing the alert boundary for the proximity waypoints Proximity Circle To add a proximity waypoint 1 Use the ARROW KEYPAD to highlight an empty space on the Proximity list and press ENTER The Find screen appears Highlight Waypoints and press ENTER 2 Use the ARROW KEYPAD to highlight the desired waypoint from the By Name or Nearest tab lists The Waypoint Review page appears for the selected waypoint 3 With OK highlighted press ENTER to confirm The distance field is now highlighted 4 Press ENTER to begin entry of the proximity radius 5 Use the ARROW KEYPAD to enter a distance value to 99 99 units and press E
72. ater alarm depth has been detected below transducer Lost Satellite Reception The unit has lost satellite signals Check antenna connections or try moving to a location with a clear view of the sky Memory RAM Failed Unit Needs Repair Internal problem with the unit Contact your dealer or Garmin Customer Service pg iv to have the unit serviced Memory ROM Failed Unit Needs Repair Internal problem with the unit Contact your dealer or Garmin Customer Service pg iv to have the unit serviced No DGPS Position No differential correction data is available or not enough data is available to compute a DGPS position No Tide Stations For That Area There are no tide stations within 100 miles of the specified point Try another area Off Course Alarm You have exceeded the specified off course distance Processor Failed Unit Needs Repair Internal problem with the unit Contact your dealer or Garmin Customer Service pg iv to have the unit serviced 81 82 Appendix C Messages Proximity Alarm List is Full You have used all ten proximity waypoints Proximity Alarm Waypoint You have entered the alarm radius for the proximity waypoint indicated Proximity Overlaps Another Proximity Waypoint The alarm radius specified overlaps the area specified for another proximity waypoint Adjust the distance Route Already Exists lt route name gt You have entered a route name that already exists in memory
73. ating a route the Highway Page shows each route waypoint in sequence connected by a red road with a yellow line down the middle which is your desired track line Nearby waypoints not in the active route can also be displayed The highway perspective scale may also be zoomed in or out to display a larger or smaller 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 GPSMAP 172 172C s Highway options page allows you to define the data fields and select which waypoints and track are displayed on screen The data window located at the top of the page provides a user selectable layout of various types of useful data Each data field may be configured to display several data options The data window layout may also be changed to display additional data fields and change the actual size of the data displayed The GPSMAP 172 172C s Highway Page features a menu options page that provides access to func tions and features relating to the Highway Page and the layout options To display the Highway Page options 1 Press MENU To select a menu option Reference 1 Using the ARROW KEYPAD highlight the desired option and press ENTER Highway P ion The following options are available from the Highway Page menu ghway Page Options Set Up Highway allows you to select what waypoints and tr
74. ation 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 receiving antenna Increase the separation between the equipment and the receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help The GPS 172 172C does not contain any user serviceable parts Repairs should only be made by an authorized Garmin service center Unauthorized repairs or modifications could result in permanent damage to the equipment and void your warranty and your authority to operate this device under Part 15 regulations The GPS system is operated by the United States government which is solely responsible for its accuracy Introduction and maintenance The system is subject to changes which could affect the accuracy and performance of all GPS equipment Although the Garmin GPSMAP 172 172C is a precision electronic NAVigation AID Warnin gs and NAVAID any NAVAID can be misused or misinterpreted and therefore become unsafe Precautions The electronic chart is an aid to navigation and is designed to facilitate the use of authorized government charts not replace them Only official government charts and notices to mariners contain
75. aypoint symbol field to the left of the waypoint name and press ENTER Changing a Waypoint symbol 2 Use the ARROW KEYPAD to select the desired symbol and press ENTER when done 34 To change the comment position coordinates depth water temperature Reference 1 Highlight the desired field and press ENTER 2 Use the ARROW KEYPAD to edit enter the data To drop to the next line press to the right on the Editing Waypoints ARROW KEYPAD Press ENTER when done On the Waypoint Review and Waypoint Edit pages you may also delete the selected waypoint view the waypoint on the map and move the waypoint on the map To delete a waypoint 1 On the Waypoint Review Waypoint Edit page use the ARROW KEYPAD to highlight Delete and press ENTER 2 With OK highlighted press ENTER again to confirm the deletion Symbol To view and move a waypoint on the map Comment 1 From the Waypoint Review Waypoint Edit page highlight Show Map and press ENTER The waypoint is highlighted on a map screen with an information window that shows the waypoint name position and distance and bearing from your current position er Temperature 2 To move the waypoint press ENTER A MOVE label now appears under the cursor arrow It may aes be necessary to use the IN and OUT keys to zoom the map 3 Use the ARROW KEYPAD to move the waypoint to a new position As you move the cursor around Waypoint Edit Page the map
76. ble to the mounting location of the display unit Use the appropriate tie wraps fasten ers and sealant to secure the cable along the route and through any bulkhead or deck 3 Once the GPSMAP 172 172C unit has been installed connect the cable to the antenna connec tor on the back of the display unit Make sure that you turn the antenna cable connector 1 4 turn clockwise to lock the cable into place Mounting the GPSMAP 172 172C Unit The GPSMAP 172 172Cs compact waterproof case is suitable for mounting in exposed locations or at the nav station The unit comes with a single knob tilt amp swivel bracket that can be used for surface or overhead mounting When choosing a location for the display unit make sure you consider the following conditions There should be at least a 3 7 cm clearance behind the case to allow connection of the antenna external antenna only power data cables The mounting surface should be heavy enough to support the unit and protect it from excessive vibration and shock For GPSMAP 172 172C units with the built in internal antenna it should be mounted in a location that has the clearest most unobstructed view of the sky in all directions to ensure the best reception Avoid mounting the unit where it is blocked by the boats superstructure a radar arch or mast The temperature range for the GPSMAP 172 172C is 5 F to 158 F 15 C to 55 C Extended exposure to temperatures exceeding this range in stor
77. ch eliminates the need to store waypoints along the way TracBack routes are created by reducing your track log into a route of up to 50 turns and activating an inverted route along those points Once activated a TracBack route leads you back to the oldest stored track log point so it s a good idea to clear the existing track log before you start your current trip To clear the track log and define a starting point for a TracBack route 1 Press MENU twice to display the Main Menu page 2 Using the ARROW KEYPAD highlight the Track tab then highlight the Active tab to the right 3 Use the ARROW KEYPAD to highlight Erase and press ENTER 4 Highlight OK and press ENTER You must first save the track log before you can use the Follow Track feature The Save feature allows you to store up to 15 track logs from certain times and dates To save a track log 1 From the Main Menu use the ARROW KEYPAD to highlight the Track tab then highlight the Active tab to the right 2 Use the ARROW KEYPAD to select Save and press ENTER 3 On the Save Back Through window highlight the desired time date or Entire Log and press ENTER 4 Next the track begins saving and then display the Saved Track window when done The default name distance and number of points 700 maximum are displayed To change the name of the saved track highlight the name field and press ENTER make your change
78. d high impact plastic alloy waterproof to IEC 60529 IPX 7 Temp Range 5 F to 158 F 15 C to 55 C Performance Receiver Differential ready 12 parallel channel WAAS capable receiver Acquisition Times Warm Approx 15 seconds Cold Approx 45 seconds AutoLocate Approx 2 minutes Update Rate 1 second continuous GPS Accuracy Position lt 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 lt 3 meters 10 feet 95 typical Velocity 0 05 meters sec steady state Power Dynamics Og s Subject to accuracy degradation to 100m 2DRMS under the U S DOD imposed Selective Availability Program Source 10 35 vDC Usage 6 watts max at 13 8 vDC Fuse AGC 3AG 2 0 Amp Appendix F Specifications Unit Care UNIT CARE Cleaning The units case is constructed of high quality material and does not require user maintenance other than cleaning Clean the unit housing using a cloth lightly dampened with a mild detergent solution and then wipe dry Avoid chemical cleaners and solvents that may damage plastic components Do not apply cleaner to electrical contacts on the back of the unit The 172C has an anti reflective coating on the lens that can be damaged by ammonia based cleaners When cleaning the lens use a soft lint f
79. d Terceira Islands Taiwan Modified Taiwan Timbalai 1948 Timbalai 1948 Brunei and E Malaysia Sarawak and Sabah Tokyo Tokyo Japan Korea Okinawa Tristan Ast 68 Tristan Astro 1968 Tristan da Cunha User User defined custom datum Viti Levu 1916 Viti Levu 1916 Viti Levu Fiji Islands Wake Eniwetok Wake Eniwetok Marshall WGS 72 World Geodetic System 72 WGS 84 World Geodetic System 84 Zanderij Zanderij Surinam Avg Speed The average of all second by second speed readings since last reset Appendix E Bearing BRG The compass direction from your present position to a destination waypoint OPNE ae ae ee Navigation Terms Course The desired course between the active from and to waypoints Distance Dist The great circle distance from present position to a destination waypoint Distance to Destination The great circle distance from present position to a GOTO destination or the final waypoint in a route Distance to Next The great circle distance from present position to a GOTO destination or the next waypoint in a route Elevation Height above mean sea level MSL ETA Estimate Time of Arrival The estimated time you will reach your destination waypoint based on current speed and track ETA at Destination The estimated time you will reach a GOTO destination or the final waypoint in a route ETA at Next The estimated time you will reach a GOTO destination or
80. e and is accessed through the MENU key nonenoneneewenenen To access the main menu page Ss e 1 Press the MENU key twice or hold down the MENU key for two seconds E ST The Main Menu page lists 16 menu tabs that are divided into categories by function You can view a particular menu by simply highlighting the desired tab which shows any secondary submenu tabs Active Route Page and options for that tab To get a basic feel for how the Main Menu page works lets delete the two waypoints you created during the simulated tour This ensures that you have a clean slate once you start navigating in your home waters To select the Points Waypoint submenu tab 1 Use the ARROW KEYPAD to highlight the Points menu tab You see a list of stored waypoints appear to the right of the Main Menu list 2 Press to the right one time on the ARROW KEYPAD and you see the User submenu tab highlighted 3 Press down on the ARROW KEYPAD until waypoint 001 with the shipwreck symbol is highlighted 4 You may delete the waypoint by either pressing MENU then highlighting Delete Waypoint or press ENTER and then highlight Delete trom the Waypoint Edit page 5 Press ENTER to delete the waypoint then ENTER again to confirm Repeat the above steps to delete the Dock waypoint also Congratulations You ve now gone through the basic operation of the Garmin GPSMAP 172 172C Your new digital chartplotter is a po
81. e almanac has been collected This process can take up to five minutes Acquiring Satellites the receiver is looking for and collecting data from satellites visible at its last known or initialized position but has not collected enough data to calculate a fix 2D at least three satellites with good geometry have been acquired and a 2 dimensional position fix latitude and longitude is being calculated 2D Differential appears when you are receiving DGPS corrections in 2D mode and a D shows on the strength bar of satellites being corrected 3D at least four satellites with good geometry have been acquired and your position is now being calculated in latitude longitude and elevation 3D Differential appears when you are receiving DGPS corrections in 3D mode and a D shows on the strength bar of satellites being corrected Poor GPS Coverage 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 satel lite 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 Off Searching For WAAS WAAS is enabled and receiver is searching for WAAS signal Using WAAS WAAS capability enabled and unit receiving WAAS correctio
82. e an individual waypoint from the User list 1 Use the ARROW KEYPAD to highlight the waypoint to be deleted 2 Press MENU highlight Delete Waypoint and press ENTER OR press ENTER highlight Delete and press ENTER 3 Press the ENTER key to confirm the deletion warning To delete waypoints by symbol 1 From the User tab highlight the waypoint to be deleted and press MENU then select Delete By Symbol and press ENTER 2 Use the ARROW KEYPAD to highlight the symbol of the waypoint s to be deleted and press ENTER 3 Press ENTER to contirm Choose Cancel or press QUIT to stop the deletion To delete all user waypoints 1 Press the MENU key to select the options window 2 Use the ARROW KEYPAD to highlight Delete All and then press ENTER 3 Highlight the OK prompt and press ENTER to confirm Proximity Waypoint List The Proximity submenu of the Points tab lets you define an alarm circle around a stored waypoint position and can be used to help you avoid reefs rocks or restricted waters Up to ten waypoints may be listed with a maximum alarm radius of 99 99 nautical or statute miles or kilometers If a proximity alarm circle overlaps with an existing alarm circle the message Proximity Overlaps Another Proximity Waypoint appears Since the unit only alerts for one of the overlap points use caution when navigat ing in these areas If you enter an alarm circle overlap you
83. e you an indication of what satellites are visible to the receiver and whether or not they are being tracked The signal strength is shown on a bar graph for each satellite with the satel lite number below As the receiver locks onto satellites a signal strength bar appears for each satellite in view The progress of satellite acquisition is shown in three stages e No signal strength bars the receiver is looking for the satellites indicated e Light White signal strength bars the receiver has found the satellite s and is collecting data e Dark Green signal strength bars the receiver has collected the necessary data and the satellite s are ready for use As soon as the GPSMAP 172 172C has collected the necessary data from the best satellites in view to calculate a fix the status field indicates a 2D or 3D status The unit then updates the position date and time You can use the sky view to help determine if any satellites are being blocked and whether you have a current position fix indicated by a 2D 2D Differential 3D or 3D Differential in the status field The sky view shows a bird s eye view of the position of each satellite relative to the receivers last known position The outer circle represents the horizon north up the inner circle 45 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
84. eatures and opera tions of the GPSMAP 172 172C This allows you to concentrate on a specific topic quickly and look up detailed information about the GPSMAP 172 172C Software License Agreement BY USING THE GPSMAP 172 172C YOU AGREE TO BE BOUND BY THE TERMS AND CONDI TIONS OF THE FOLLOWING SOFTWARE LICENSE AGREEMENT PLEASE READ THIS AGREEMENT CAREFULLY Garmin grants you a limited license to use the software embedded in this device the Software in binary executable form in the normal operation of the product Title ownership rights and intellectual property rights in and to the Software remain in Garmin You acknowledge that the Software is the property of Garmin and is protected under the United States of America copyright laws and international copyright treaties You further acknowledge that the structure organization and code of the Software are valuable trade secrets of Garmin and that the Software in source code form remains a valuable trade secret of Garmin You agree not to decompile disassemble modify reverse 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 Introduction Preface Registration Software License Agreement Customer Service Product Registration Help us better support yo
85. ec tion of LORAN fixes for favorite fishing spots and other waypoints recorded as TDs You can display your position as a TD or enter waypoints as TDs The accuracy to be expected from this conversion is approximately thirty meters When the unit is placed in the LORAN TD format mode it simulates the operation of a LORAN receiver Position coordinates may be displayed as TDs and all navigation func tions may be used as if the unit was actually receiving LORAN signals Using the LORAN TD Format When creating new waypoints using LORAN TD coordinates you must set the correct LORAN chain number and secondary stations in the Setup TD field before storing the waypoint You must have the correct chain number as well as the secondary station identifiers to use this option correctly These values varies per coordinate set or geographical location Failure to enter correct information could result in inaccuracies for the desired destination After the waypoint is stored in unit memory it always references the LORAN chain number and secondary stations currently selected in the Setup TD field If you enter a different LORAN chain number change the secondary stations or offsets in the Setup TD field the active waypoint information reflects those changes Since the GPSMAP unit does not rely on the LORAN signal for navigation it can reference a different GRI chain and or secondary stations and still navigate to the location stored in memory Appendix A
86. ed to change the coordinate system in which a given position reading is displayed You should only change the position format if you are using a map or chart that speci fies a different position format or wish to use a format you are familiar with The default format is latitude and longitude in degrees minutes and thousandths of a minute hddd mm mmm The EPS system TS Tao following additional formats are available tes cower e hddd ddddd latitude longitude in decimal degrees only at nt _ e hddd mm s s latitude longitude in degrees minutes seconds Taa ENE e UTM UPS Universal Transverse Mercator Universal Polar Stereographic grids ir Feet fD e British Grid Dutch Grid e Finnish KKJ27 German Grid Sma Fahrenheit CF e India Zones e Irish Grid Loran TD e Maidenhead I e MGRS New Zealand e Qatar Grid RT90 Swedish Grid Swiss Grid e Taiwan Grid e User Grid Main Menu Units Tab e W Malayan RSO 10 For additional information on Loran TD setup see page 78 WARNING Selecting the wrong map datum can result in substantial position errors Map Datum allows you to manually select the datum reference used to determine a given position The default setting is WGS 84 The unit automatically chooses the best datum depending upon your chosen position format Datums are used to describe geographic positions for surveying mapping and navigation and are not actual maps built i
87. eiver and acquired a position as described on pages 1 2 2 Use the ARROW KEYPAD to move the cursor Notice how another data field appears showing the bearing and distance trom your boat to the cursor along with 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 actively scrolls or pans letting you explore areas around the world and create waypoints and routes Wherever you move the cursor you ll always be just one QUIT keystroke away from returning the map to your pres ent position Now that you ve seen how the Map Page can be used to monitor your present location lets take a minute to learn how to mark and store your present position as a waypoint Since youre in simula tor mode the present position displayed is the last position calculated by the receiver which should be the spot where you ve initialized the unit This also gives you an opportunity to see how the GPSMAP 172 172Cs keypad and ENTER key are used for data entry and changing the waypoint name and symbol Getting Started Map Cursor Sei ST Te HOA 0 0 tosh os Current position Map Scale Th eo m as naon m O25 B amp B nH Distance Bearing Cursor Coordinates Map Cursor Getting Started To mark your present position i i 1 Hold down the ENTER MARK key unt
88. es While in Simulator mode a Running Simulator message appears after 2 minutes of inactivity Now Se u aN youre ready to continue the rest of the simulated tour Keep in mind that the GPSMAP 172 172C Ces e ce does not track satellites in simulator mode and this mode should never be used for actual mal ga a navigation All the waypoint and route planning done in simulator mode is retained in memory for cr ae JT oineon future use E e AAE JENES A Running Simulator message appears at 2 minute intervalss Getting Started Main Pages Map Page The Map Page is one of six main pages used in the GPSMAP 172 172C 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 scroll through the pages in either direction using the PAGE and QUIT keys If equipped with GSD 20 For GSD 20 sonar related operations refer to GSD 20 Sounder Module with Garmin Chartplotters 190 00241 03 Map Page Map Sonar Split Page Sonar Page Compass Page Highway Page Active Route Page _ gt lt lt Map Page The GPSMAP 172 172C s Map Page combines digital chartplotting with a user selectable display of navigation data and a built in worldwide database It is also the page you use most to create and edit waypoints and routes Before we
89. es two different navigation pages Compass and Highway Whenever a NAV goto Follow Track TracBack or Follow Route have been activated the GPSMAP 172 172C s Compass Page guides you to your destination with digital readouts and a graphic compass display which includes a bearing pointer Use this page instead of the Highway Page when your desired path may be varied in direction The middle of the page features a rotating compass ring that shows your course over ground track while you re moving Your present course over ground is indicated at the top of the compass ring A bearing pointer arrow in the middle of the compass ring and a bearing bug indicator on the outside of the compass ring indicate the direction of the destination bearing relative to the course over ground The compass ring and pointer 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 arrow points any direction other than up turn toward the arrow until it points up then continue in that direction The bearing pointer bearing bug and or compass ring may point in various directions when you are stationary or at very low speeds Once you start moving the pointer is correct The GPSMAP 172 172C s Compass Page features a menu page that provides access to layout and data field options The data window located at
90. eters m Temperature lets you select the desired units of measure for temperature in Fahrenheit F or Celsius C Reference Main Menu Units Tab The Units tab settings affect how navigation information is displayed on the GPSMAP 172 172C When in doubt seek assistance If you are using a map or chart in conjunction with your GPS make sure the settings under the Units tab of the GPSMAP 172 172C match that of the map or chart This information should be displayed 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 N WARNING If User Mag Var is selected you must periodically update the magnetic variation as your position changes Using this setting the unit does not automati cally calculate and update the magnetic variation at your present position Failure to update this setting may result in substantial differences between the information displayed on your unit and external references such as a magnetic compass 11 Reference Main Menu Time Comm Tab Ua i Main Menu Time Tab GPS Port 1 Fort 2 Serial Data Fermet f GARMIN Data Transfer Trancter Hede fea Host Main Menu Comm Tab zHEkETTERR Data Transfer Progress 72 Time Submenu Tab displays the current time and date
91. from any page in the GPSMAP 172 172C s system and is accessed through the MENU key See pages 2 3 for additional instructions changing settings and entering data To access the Main Menu Page 1 Press MENU twice The 16 Menu tabs are divided into categories by function To select a Menu tab from the Main Menu page Submenu Tabs 1 Move the ARROW KEYPAD UP or DOWN to highlight the tab you want to view The information for the highlighted tab automatically appears to the right If you want to highlight any of the sub Main menu tab items press to the RIGHT on the ARROW KEYPAD then move UP or DOWN to select Menu individual items Tabs 2 Press either MENU for additional submenu options or press ENTER MARK to make changes to the highlighted item Press LEFT on the ARROW KEYPAD to get back to the Menu tab list Press QUIT to return to the Main Menu page The Main Menu tabs are e GPS shows satellite status accuracy initialize position Main Menu Page e Tide shows 24 hour tide chart with levels and times e Trip provides trip speeds odometers averages and trip timers e Celes shows sun moon time cycles and positions e Points allows you to create edit or delete waypoints See pages 30 e Route allows you to create edit activate or delete routes See pages 43 e Track lets you record a track define how it is recorded and displayed See the GSD 20 Sounder Module with Gar
92. g a Garmin GSD 20 Sonar Module for the Sonar alarms to function Fish Alarm will only function while using a Garmin GSD 20 Sonar Module ES sostan Nov ETT o T a genT fien Main Menu Alarm Tab Sonar Submenu 11 Appendix A Loran TD Paiti Format hddd mm mmm Mep Datum WGS B4 Menderes Pato Han Ler U0FE Pertoner Defaults Mauti RT Depth O ter haia Meee F st wmperuture i Fahrenheit F TEN GHS TE On the Units Tab of the Main Menu press MENU then highlight Loran TD On and press ENTER to select Loran TD TE E zF Or highlight the Position Format field highlight Loran TD and press ENTER to select Loran TD 78 Loran TD System LORAN C is a radio navigation aid operated and maintained in the United States by the United States Coast Guard The name LORAN is an acronym for LOng RAnge Navigation The LORAN system covers the entire United States and the U S Coastal Confluence Zone From the perspective of a mariner the system is used for ocean and coastal navigation It can be used as a supplemental system for harbor and harbor approach navigation and it is used for inland navigation by recreational vehicles LORAN TD Feature The LORAN TD Time Delay feature eases the transition from using LORAN to using GPS The GPSMAP unit automatically converts GPS coordinates to LORAN TDs for those who have a coll
93. gh the Waypoint Review and Waypoint Edit pages To access the Waypoint Review page 1 Use the ARROW KEYPAD to highlight the desired waypoint on the Map Page 2 Press ENTER to display the Waypoint Review page If the waypoint is located on a map feature or on a MapSource or BlueChart feature the Waypoint Review page includes additional information KANSAS CITY HO KS Panitia Perth tabs about the other features at that location EEA abide mms To access the Waypoint Edit page 1 Press MENU twice to view the Main Menu Use the ARROW KEYPAD to highlight the Points tab then highlight the desired waypoint from the User or Proximity lists Waypoint Review Page Highlight D and 2 Press ENTER to display the Waypoint Edit page If the waypoint is located on a map feature or press ENTER to exit save changes on a MapSource or BlueChart feature the Waypoint Edit page does NOT display the details of the other map features From the Waypoint Review and Edit pages you may change the name symbol comment position coordinates depth or water temp for the selected waypoint Once the changes have been made high light OK Waypoint Review Page or Next Waypoint Edit Page and press ENTER to save them To change the waypoint name 1 Highlight the waypoint name field and press ENTER 2 Use the ARROW KEYPAD to enter a new name and press ENTER when done To change the waypoint symbol 1 Highlight the w
94. ghlight a point on a list or the map and press NAV Go To lt point name gt appears in addition to Go To Point The Go To function can be accessed from any list of points or graphically trom the map display Ei f el To activate a Go To from a point list 1 Press the NAV key 2 Use the ARROW KEYPAD to highlight Go To Point and press ENTER 3 From the Find menu highlight Waypoints and press ENTER You may also choose to go to other points such as Cities Tide Stations etc from this list Choose a waypoint from either 4 Select a waypoint from the By Name or Nearest list then press ENTER To display the Waypoint the User or Nearest tab list Review page for the selected waypoint 5 With the Go To button highlighted press ENTER to begin navigation To stop navigation 0 0 ___ 136 N ox 1 Press the NAV key Use the ARROW KEYPAD to highlight Stop Navigation and press ENTER Ove poste Py el Selecting a Go To Graphically A graphical Go To may be used to select one of three items from the map display an existing waypoint an on screen map item roads rivers cities navaids etc or anew map point non map item If you select a map item as the Go To destination the GPSMAP 172 172C automatically uses R Go m the name of the map item but the point is not stored in the waypoint list see page 13 for
95. he Garmin Web site www garmin com for current updates and supplemental information concerning the use and operation of this and other Garmin products Garmin GPSMAP AutoLocate TracBack BlueChart and MapSource are registered trademarks of Garmin Ltd or its subsidiaries and may not be used without the express permission of Garmin October 2004 Part Number 190 00321 00 Rev B Printed in Taiwan Preface Congratulations on choosing one of the most advanced marine navigation systems available The Garmin GPSMAP 172 172C models utilize the proven performance of Garmin GPS and full featured map ping to create an unsurpassed marine navigation chartplotter This manual covers instructions for the GPSMAP 172 and GPSMAP 172C color Unit operation and specifications will be the same on both models unless otheriwse specified For GSD 20 sonar related operations refer to GSD 20 Sounder Module with Garmin Chartplotters 190 00241 03 To get the most out of your new navigation system take the time to go through this owners manual and learn the operating procedures for your unit This manual is broken down into two parts for your convenience Part One introduces you to the GPSMAP 172 172C and provides a Getting Started tour so that you may become more familiar with the unit This section provides you with a basic knowledge necessary to use the unit Part Two is divided into sections that provide detailed references to the advanced f
96. he data fields again press MENU highlight Show Data and press ENTER Reference Map Page Options Set Up Mop Set Up Page Layoal Turn Declutter Off Map Page Options 21 Reference Map Page Options ee Pointer swe LUSOT lore ModE 88 B66 Coordinates Distance and Bearing Map Cursor niee AH Main Menu Map Configuration Tab 22 Measure Distance allows you to measure the bearing and distance between any two points on the map display To 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 REF below it 2 Move the cursor to the desired reference point the point that you want to measure from and press ENTER 3 Move the cursor to the point that you want to measure to The bearing and distance from the refer ence point and cursor coordinates is displayed in the data window at the top of the display Press the QUIT key to finish Set Up Map allows you to configure the map display to your preferences including map detail map orientation automatic zoom and various map items and points The map set up option uses a file tab feature making it easier to organize the various settings for ease of use The following table lists the file tabs and the settings available under each tab General Detail
97. he date to see tide charts for other days To change the date for the tide chart 1 Using the ARROW KEYPAD highlight the On field and press ENTER MARK 2 Enter the desired date and press ENTER MARK To use the current date 1 Press MENU then highlight Use Today s Date and press ENTER MARK You may move the time bar on the tide chart in 5 minute increments to show tide heights at vari ous times on the chart To see tide heights at various times on the chart 1 Move the highlight to the chart 2 Press LEFT or RIGHT on the ARROW KEYPAD to change the time Press QUIT when done Mm BR W N Reference Main Menu Tide Tab Nearest To Boat Nearest To Destination EI for Main Menu Tide Station List Menu Options Press MENU on the Tide Station list to access additional search options The Nearest to Next and Nearest to Desti nation options are enabled when you are actively going to a destination following a Go To or a Route for example You must select a location within 100 nm of a tide station TE N 25 46271 213 108007592 PELUEeLRgE PETES S You may move the cursor to see tide heights at dif ferent times Tide data shows in a black box when in cursor mode 59 Reference Trip Tab displays data for Trip Odometer Moving Average speed Total Average speed Maximum Speed Stopped Time Moving Time Total Time and Odometer You may reset the data by choosing
98. hows data l l ee ae Tuning unit is attempting to tune to the specified frequency and bit rate when signal is received e Scanning unit is automatically scanning through the frequencies and bit rates e Receiving unit is receiving DGPS signal and ready for operation The DGPS beacon transmitters are operated by the U S Coast Guard or similar government agency in other countries which is responsible for their accuracy and maintenance For DGPS trans mitter problems or to find the most updated list of frequencies and coverage areas contact your local You may also manually enter a USCG or see their web site at http www navcen uscg mil frequency and bit rate HSS Parts ate e Check Wiring unit is not making connection with DGPS receiver m ee ne oo a F When the unit is receiving a DGPS signal the SNR Signal to Noise Ratio and Distance fields Treet mme omre formae shows data The SNR range is OdB to 30dB with 30 being the best The Distance may or may not show g data depending upon the signal being broadcast from the DGPS site Setup Com tharm 14 NMEA Interface If you are going to interface the GPSMAP 172 172C 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 92 To activate the NMEA data 1 On either port of the Comm Tab highlight the
99. ht the appropriate field and press ENTER Make your changes and press ENTER After entering and confirming your changes use the ARROW KEYPAD to highlight OK and press ENTER Horie ras FEF a new waypoint 31 Reference Additional Options For Creating Waypoints Waypoints may also be created by manually entering position coordinates through the Points tab Creating Waypoints of the Main Menu This method can be useful for creating a waypoint at a specific latitude longitude position from a chart To create a new waypoint by entering location coordinates 1 Press MENU twice to display the Main Menu Highlight the Points tab and press MENU 2 Highlight Create Waypoint and press ENTER The New Waypoint page appears with the next available waypoint number and the receiver s last know position as the default name and position 3 Use the ARROW KEYPAD to highlight the position field and press ENTER Use the ARROW KEYPAD to enter the desired position coordinates and press ENTER when finished 4 To change the name symbol or enter comments depth or water temp highlight the appropriate field and press ENTER Make your changes and press ENTER when finished Highlight the position field and use the 5 Use the ARROW KEYPAD to highlight OK and press ENTER to save the waypoint ARROW KEYPAD to enter the desired position coordinates A waypoint may also be created by projecting the distance and beari
100. icial for users who have more than one GPS chartplotter If you want only DSC to display on a particular chartplotter turn DSC off on the remaining Garmin chartplotters that support DSC Reference Main Menu DSC Tab GPS Coll List Log Directory Setup Pan 010101010 i ane m l RIPTIDE Tanni Adding a Directory Entry aggeazes me DSC Setup Simulate options only appear while in Simulator mode 67 Reference Main Menu DSC Card Tabs ora w User Waypoints Trip w Proximity Waypoints Coles o Routes mT l Save Te Card ord Herge From Card Hoy Rephce From Card Temp Sotup Save Te Cand prees the selected tena te peur fe Baer oll mela ep Alarm recede on your OFS with tect ith Card Tab 68 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 Distress Call simulator also helps to check if alarms are working properly To run a simulation 1 Place the chartplotter into simulation see pg 7 2 From the Main Menu select the DSC tab then highlight the Setup tab 3 Highlight which simulation you wish to run and press ENTER Using the NAV Key The receiver of a Distress Call or Position Report can quickly navigate to the caller using the NAV button Once the call is logged press the NAV button and select to Go To the MM
101. ighlight Nearest to Other and press ENTER If you are actively following a route you may also choose Nearest to Next or Nearest to Destination 3 Select a reference point on the map and press ENTER The search results list changes to list items nearest to the new map position i You may also start a Find from To find a waypoint or item from another location on the map items found on the Find List or 1 From the Map Page use the ARROW KEYPAD to pan to the desired location and press FIND from another location on the map 2 Using the ARROW KEYPAD highlight the desired category from the list and press ENTER 51 Reference To view details about an item 1 With the desired item highlighted in the search results list press ENTER Find Options 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 MapSource or BlueChart map viewing a tide chart viewing a list of maps on your data card the new search from point You may also use the Find feature to center your search from any waypoint route list entry map item or tide station Highlight the item you want to Find from and press the ar heat T HAT cama ona l REE s reri Additional Information and viewing the next item in the search results list T Tabs The Find option supports a find from
102. il the New Waypoint window appears then release the key Marking Waypoints The window shows a default three digit waypoint name number 001 symbol dot and position You can leave the name as the auto assigned number but for this exercise lets change the name to DOCK 2 Use the ARROW KEYPAD to highlight the waypoint name field 001 and press ENTER You see gcse that just the first 0 is now highlighted D y 3851 230 308 3 Press LEFT on the ARROW KEYPAD to clear the name field Hoparz pun mam 4 Press UP or DOWN on of the ARROW KEYPAD until the letter D appears and then press RIGHT to go to the next space to the right then UP or DOWN again until O appears Repeat this until you have entered the name DOCK If you make a mistake and select an incorrect character simply press LEFT on the ARROW KEYPAD to backspace the cursor and then UP or DOWN to correct the Press ENTER MARK entry If you accidentally press ENTER before you are done simply press ENTER again and move after entering the name the highlight to where you left off 5 After you have entered all the letters press ENTER to confirm the name Wet Were AE vesns a m os H pis 6 To access the waypoint symbol page highlight the waypoint symbol field which is to the left of the waypoint s name and press ENTER Note The default symbol is a dot 7 You see a grid of available waypoint symbols to choose from Use the AR
103. int into the route Highlight the route leg on which you wish to insert a waypoint and 1 From either the Route Review or Active Route pages use the ARROW KEYPAD to highlight the press ENTER point you wish to insert the new point before and press MENU 2 Highlight Add Before and press ENTER 3 From the Find menu highlight Waypoints and press ENTER You may also choose from other points such as Cities Tide Stations etc from this list Select the point you want and press ENTER twice See page 37 for searching for waypoints by name e Remove Remove a point waypoint or map item from a route This option is available from both the Route Review and Active Route Pages To remove a point from a route 1 From either the Route Review or Active Route pages use the ARROW KEYPAD to highlight the point to remove and press MENU Drag the route leg to an existing waypoint map item or an open spot 2 Highlight Remove and press ENTER on the map shown to create a new route point 48 Trip Planning The Route Review and Active Route pages also display trip planning information for each leg or the entire route Available information includes Course ETA Fuel to point Leg Distance Leg Fuel Leg Time Sunrise and Sunset at point location and Time To point To use the trip planning feature 1 Highlight the desired route trom the Route List and press ENTER to display the Route Review
104. ions menu The options menu displays a list of optional features which are specific for that particular page To select any feature on the list of options requires movement of the cursor which is called highlighting selecting or choosing an item in a list or a field 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 desired selection press the ENTER MARK key to either activate the feature or the MENU key to pop up a sub menu or list of yet more feature options Repeat this process to select an option from the list or press the QUIT key to return to the previous setting The QUIT key moves backwards through these steps back to the main page you started on To select and activate a function button 1 When moving about a page with function buttons like the New Map Waypoint page you observe functions such as Show Map Delete and OK To activate the function highlight the desired button and press the ENTER key Naming a waypoint or placing any sort of data that has not been predefined requires the use of Getting Started both the ARROW KEYPAD and the ENTER MARK key To enter a name or number in a data field Entering Data 1 Once you have accessed a page with programmable data fields e g Waypoint Edit you can use the ARROW KEYPAD to move the cursor Highlight to fields on the page Use the UP D
105. lation 94 Appendix H Index 0e eee aee 94 yii vill Introduction How To Index The list to the right is provided to help you quickly find some of the more important procedures you may use on your new GPSMAP 172 172C TO DO THIS SEE PAGE S TUT Te TUM onor o es 8 occ yes busy alice e E a a ea el 6 Adjust screen Dackligntine agusia eer eee Gol aewedineh so bade ss 6 Enter dataand selec ODUONS a tcp hw aceubheu ad nee ieh Sadana please ys 3 Learn how to operate the units function keys 00 000005 l Mark your present location as a waypoint saasaa naaraan 10 Goton destination a s aE ARETE EE aeed l1 Ceat dnd Use aE a caress a a aa 30 Pan sin the map aW eee aa a a E ta bees 19 Zoom morouton the Map Paget cin dcdash bac neei 18 Reconfigure the Map page display 0 0 00 21 Access Me Mane MeN oeie e a E teed 53 Change units of measure statute nautical metric o n anaana 71 Changethe displayed 1iMe ZONE 3 d4 ss cess what be a r 72 Miew tide Mormaer lose haiccn ne badia eae estoy eects 58 ViewcelestialiMioniatlonl seers opener a rA 60 EA eea E E Sash TE EE 76 Use the Pind MICU asieran na becca Ghana tshe nl 51 NIEW CUM TESSA E 0h Geb Hare EONS AE Bi oa ee eee eaeta se oie 8 ZOOM OUT Key The OUT key adjusts the map scale to display a larger area with less detail Zooms out ZOOM IN Key The IN key adjusts the map scale to display a smaller
106. le 1 Used You can also Invert a route to follow it in reverse GPS t J a g muns pie i l The Set Position Track Control Track and Speed fields only show while in simulator mode To activate the practice route stored in memory for navigation 1 Press NAV The option list page appears If you were selecting a single waypoint to navigate to rather than a route you could highlight the waypoint on the map press NAV and then press ENTER 2 Use the ARROW KEYPAD to highlight the Follow Route option Press ENTER to confirm 3 The Select Route page appears with the GPSMAP TOUR route highlighted 4 Press ENTER then highlight Activate and press ENTER again To zoom in to a closer map scale 1 Repeatedly press the IN key until the 3 nm scale displays You may also hold the IN or OUT keys down to quickly scroll through the map scales The Map Page should now display five waypoints chained together in a simple route with your boat at the first route waypoint A data field at the top of the page now displays the speed distance to the second route waypoint and a compass ribbon which shows you which way to go To get started lets enter a speed for our vessel which we can do from the Main Menu Page To enter a boat speed 1 Press the MENU key twice to display the Main Menu Page 2 Use the ARROW KEYPAD to highlight the Setup tab then press RIGHT then DOWN until the field
107. le and used points A route line appears on the map to indicate each completed leg and a dotted line appears to indicate the distance and bearing to the arrow cursor from the last route waypoint 5 Repeat steps 3 and 4 until you have finished defining all route waypoints a ance 6 When finished press QUIT twice to return to the Route List page or press MENU highlight Edit as You see ADD below the Text and press ENTER to return to the Route Review page cursor as you add points 43 Reference To create a route using text from the Route Review page 1 Press the MENU key twice to display the Main Menu page Use the ARROW KEYPAD to highlight Creating a Route ihe Route toh Following a Route 2 Press the MENU key to display the route options page Select the New Route option and press ENTER Or highlight the first available blank route slot and press ENTER 3 Press MENU select Edit as text and press ENTER 4 Use the ARROW KEYPAD to highlight the first field under the word Waypoint and press ENTER 5 From the Find menu highlight Waypoints and press ENTER You may also choose from other points such as Cities Tide Stations etc from this list Select a waypoint from either the By Name or Nearest list and press ENTER See page 37 for searching for waypoints by name Choose the type of point you 6 On the Point Review or Waypoint Review page OK is automaticall
108. line near the bottom of the chart This line You can select from a list of will only appear if the tide ranges to the zero value or below The numbers on the top and bottom of nearest stations the left side indicate the maximum minimum levels respectively The four data fields below the chart indicate event times and levels at which the tide changes starting in the upper left field going down ward then to the upper right and down again When comparing with other tide tables be sure the 38 depth unit value is the same for both sources To select the nearest tide station from your current location 1 From the Tide tab highlight the At field and press ENTER MARK 2 Highlight the desired station on the list and press ENTER MARK twice If you are not within this range you will see a message None Found Use the Nearest To Other Find option and select a location closer to a tide station To select a tide station from the map 1 Press FIND select Tide Stations and press ENTER MARK Press MENU after the search results appear Highlight Nearest To Other and press ENTER MARK Select a position on the map and press ENTER MARK A list is displayed showing up to nine of the nearest tide stations Highlight the desired station and press ENTER MARK Select the Show Chart button and press ENTER MARK If the None Found message appears repeat steps 1 4 until you find a station You may also change t
109. min e DSC allows you to control the Digital Selective Calling DSC interface Chartplotters 190 00241 03 for operational e Card interface control for saving waypoints routes and tracks to a data card mean iene e Map sets up Map Page features zooms and text size See pages 21 e Hiway sets up Highway Page features See pages 29 continued 53 Reference Main Menu GPS Tab Receiver N R Status Tide parterestie scl Differential Trp Using WAAS _ _ Coles n ma Status Paints i Route Beana E Be ase ieee tae ccurdacy Sky View bey EO l coor Bl a Solu ignal sen Strength HO OA i on T M H H S Bars Main Menu GPS Tab Ae Center dot 90 90 above the horizon Inner ring 45 above the horizon Outer ring Pa the horizon 54 Temp sets up and shows the water temperature log if equipped with GSD 20 or NMEA compatible device Sonar sets up Sonar Page features speeds and calibrations if equipped with GSD 20 e Setup defines System Units and Time settings e Comm interface settings for use with a PC or second device e Alarm sets up alarms for anchor drag arrival off course and clock GPS Tab provides a visual reference of satellite acquisition receiver status and accuracy The status information gives you an idea of what the receiver is doing at any given moment The sky view and signal strength bars giv
110. n the unit Although over 100 datums are available as listed on pages 83 84 you should only change the datum if you are using a map or chart that specifies a different datum Heading lets you select the reference used in calculating heading information You can select from Auto Mag Var True Grid and User Mag Var Auto Mag Var provides magnetic north heading references which are automatically determined from your current position True provides headings based upon a true north reference Grid provides headings based on a grid north reference and is used in conjunction with the grid position formats described on page 70 User Mag Var allows you to specify the magnetic variation at your current position and provides magnetic north heading references based upon the variation you enter To enter a user defined magnetic variation 1 With the Heading field set to User Mag Var highlight the heading reference field immediately to the right and press ENTER Use the ARROW KEYPAD to enter the magnetic variation at your current position and press ENTER Distance Speed and Elevation lets you select the desired units of measure for distance speed and elevation readouts in Nautical nm kt ft Nautical nm kt m Statute mi mh ft or Metric km kh m terms Depth lets you select the desired units of measure for depth in Feet ft Fathoms fa or M
111. nd Waypoints e NMEA In NMEA Out supports the input output of standard NMEA 0183 data DSC and sonar NMEA input support for the DPT MTW and VHW sentences e None provides no interfacing capabilities Reference Port 2 e Garmin DGPS used to connect the GPSMAP 172 172C with a Garmin DGPS beacon receiver Main Menu Comm Tab e Other DGPS allows DGPS input using a standard RTCM format without any output capabili ties e NMEA In NMEA Out supports the input output of standard NMEA 0183 data DSC and sonar NMEA input support for the DPT MTW and VHW sentences You may also adjust the NMEA output e RICM In NMEA Out allows Differential GPS DGPS input using a standard RTCM format and Tae Bora tea ene also provides NMEA 0183 output Ponts e None provides no interfacing capabilities a To select an input output format Hor 1 Select the desired Port tab then highlight the Serial Data Format field and press ENTER Ste 2 Use the ARROW KEYPAD elect the desired setting and press ENTER ces To select a transfer mode When transferring data between two Garmin units 1 Use the ARROW KEYPAD to select Garmin Data Transfer in the Serial Data Format field be sure to always set one to Host and use the other unit to either Send or Request the desired data 2 Highlight the Transfer Mode field and press ENTER 3 Use the ARROW KEYPAD to select the desired setting and press ENTER You
112. nfo display only Tone i teran oe Sotup e AutoLocate allows the receiver to locate your position automatically This process can take up I to five minutes ee GPS Tab Options Menu o Initialize Position allows you to initialize the receiver graphically on the Map Page to initially help the receiver acquire more quickly See page 4 for instructions on initialization Set 2D Elevation allows you to manually enter the elevation when in 2D or Simulator mode only Any elevation entered is automatically calculated when the GPS is in 3D mode To select a menu option 1 Using the ARROW KEYPAD highlight the desired option and press ENTER A NOTE If a DGPS receiver is attached to the unit and Garmin DGPS RTCM In NMEA Out or Other DGPS is enable on Port 2 WAAS is automatically disabled WAAS Off It is not possible for the GPSMAP 172 172C to receive WAAS and DGPS corrections at the same time 57 Reference Tide Tab shows a graphical chart which displays tide station information in a 24 hour span starting at midnight You can choose from different dates and over 3000 tide stations around the USA Main Menu coastline Alaska Hawaii western Canada and several of the Caribbean islands Tide Tab The top of the page displays the tide station being referenced and the date The bottom of the ide la chart shows a 24 hour block of local time for your position Daylight light bar or yellow on 17
113. ng from a specific location to a new location Start by accessing the New Waypoint page or the New Map Waypoint page To create a new waypoint by projecting its location 1 To project the waypoint from your current location be sure the field to the right of the word From reads Current Position if not highlight the field and press ENTER highlight Current Position and press ENTER 2 To select a map location from which to project a waypoint highlight the field next to From and press ENTER The Find screen appears Highlight Other Position and press ENTER Use the zoom IN key and ARROW KEYPAD to highlight the desired position on the map and press ENTER Da T G0EHJFE2FPElN Select a point from which to project a new waypoint 32 3 To select another location trom which to project a waypoint highlight the field next to From and press ENTER The 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 Find on pages 51 52 Highlight the desired location and press ENTER With OK highlighted press ENTER again 4 Highlight the distance and or bearing fields below From Current Position and press ENTER Use the ARROW KEYPAD to enter the projected distance and or bearing from your current position for the new waypoint and press EN
114. ns No Beacon Signal DGPS receiver attached but not transmitting RTCM data to GPS Tuning Beacon Receiver is tuning manual DGPS frequency Receiving Beacon Unit is receiving DGPS corrections Scanning Beacon DGPS receiver is scanning for available frequency Using DGPS Indicates a Differential signal is being received only displays when the Serial Data Format is set to Other DGPS on the Comm Tab of the Main Menu The Differential SNR Signal to Noise Ratio indicates on a scale to 0 30db with 30db being the Reference best the strength of the DGPS signal being received The SNR depends upon the mounting of your DGPS receiver and the distance from the DGPS transmitting station Main Menu The GPS Info tab features an options menu that provides access to functions and features relating GPS Tab Options to the GPS Info display The following options are available by pressing MENU on the GPS Info Tab of the Main Menu o Start Stop Simulator toggles the unit simulator on or off Retail Demo mode restores factory settings to the unit if left unattended for over two minutes This mode should only be used for SFS amm Ody 30 Diferential display purposes User waypoints are NOT deleted eo tare e WAAS On WAAS Off toggles the WAAS capability of the receiver on or off Tr k j Siasa e e Track Up North Up allows you to select between a north up or track up sky view display for ta inte Psion the GPS I
115. number under each bar The progress of satellite acquisition is shown in three stages e No signal strength bars the receiver is looking for the satellites indicated e Hollow signal strength bars the receiver has found the indicated satellite s and is collecting data e Solid signal strength bars the receiver has collected the necessary data and the satellite s are ready for use Once the receiver has collected information from at least three satellites the top of the screen displays either Ready 2D or 3D and the GPSMAP 172 172C is ready for use Getting Started Initializing the Receiver AHO GCETE Point to your approximate loca tion and press ENTER MARK i H ecaraty 1 a 4 R p FO Tmi E 01 4037 ici 09 MAR 04 Li EES oT HA A Ho A satellite strength bars turns green when it s ready for use Getting Started Power On Screen Backlighting Ready 3D Differential Using WAAS 115 w 2 Brecon SHR W e m O9 NAR 04 n i i f T oe e yr SY bh We S A full screen GPS Information pop up page is displayed after you press the ENTER key to acknowledge the Warning Page The pop up page goes away after the unit gets a position fix or you press either ENTER or QUIT Light Contrast Eee Use the ARROW KEYPAD to move the backlighting slider UP for b
116. numbers 010 00327 01 with internal antenna Not included with part numbers 010 00327 00 with remote antenna Optional Accessories US A C PC Adapter EURO A C PC Adapter UK A C PC Adapter Cigarette Lighter Adapter BlueChart Marine Data Cards MapSource CDs USB Data Card Programmer and Data Cards GSD 20 Remote Sounder Module GBR 23 Beacon Receiver for differential corrections Introduction cccc cece eee aecaas i Preface Registration n on anaana aaa i Software License Agreement i FCG Comp E iets ie pears aa ii Warnings and Precautions iii Warranty andSerial Number iV CAD ACs dirty e ph ease ed V PACKING Gru ia noes E vi Valet COn eos anea vii How TO INGE itn dann eaep tice Annee ee viii Section One Getting Started 1 17 e CU a EE E ETETA E TAT l See OPU yera r ee IE 2 Entorno DUT eseru nA e S 3 minal RERE eai ia q Power On Screen Backlighting 6 lator ModE arrer EnEn 7 VAM AO CSE a ecb oth haath nA Pet ails Mt pak 8 MAD PAC teeta seed eae ieee 8 WAY DOUMSS 2 a2catui ngewe dum wr steh Gh aang 10 Marking Waypoints 0 10 Using the NAV Key c cccuaredasrange acy cert ntic ll e TOU pourrian a 12 Reviewing Creating Map Waypoints 13 Compass Navigation Page 14 Highway Page 2 15 Adve ROME RACE ch ss Sse eles cts serena ened x 16 Main Menu Page scciciccricieiedisis 16 Deleting Waypoin
117. o the beginning or end of the route ie a Si 1 With the map cursor select the first route waypoint to add waypoints to the beginning of the Current Position REN route or last to add waypoints to the end of the route and press MENU e oes he Te 2 Highlight the Add option and press ENTER 3 Move the cursor to the new point or position and press ENTER Choose Next to center the map on the next point in the route You can step through the 4 Ifyou are not adding an existing waypoint press ENTER to confirm the new waypoint points by repeatedly pressing ENTER 5 Repeat steps 3 and 4 to add additional waypoints or press QUIT to finish 4 Reference The GPSMAP 172 172Cs route edit mode also allows you to insert a new route point in any route leg using the map cursor Editing Routes To insert a new point between two existing route waypoints 1 Use the ARROW KEYPAD to select the leg in which you want to insert the new waypoint the route line highlights and changes to a dotted line when the leg is selected and press ENTER 2 Move the cursor to the new map position existing waypoint or map item You see ADD below the arrow and the route lines moves with the arrow and press ENTER 3 If you are not inserting an existing point press ENTER to confirm the new waypoint 4 Press QUIT to return to the Route Review page e Add Before Insert a waypoint into the route points list To insert a po
118. olling and may go off the display screen you may not be able to see your present position e When the cursor is stationary a fixed coordinate position appears in the position field Note that the distance and bearing changes as the boats position changes e Whenever you zoom in cursor mode the cursor is centered on screen Reference e To return to position mode press the QUIT key Map Page Cursor A 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 present position and scroll to other map areas around the world even outside of your current detail coverage As you pan past the edge of the cur rent map display the screen actively scrolls forward to provide continuous map coverage You see an hourglass symbol by the pointer while the unit is busy drawing new map detail Move the cursor over an item 1 Press the ARROW KEYPAD to move the cursor in an up down left or right direction on the map to highlight it To move the cursor As you move the cursor the distance and bearing from your present position to the cursor is displayed in the data window along with the cursors position coordinates Keep in mind that when the cursor is stationary the distance and bearing from your present position changes as your boat moves The cursor may also be used to snap to on screen waypoints and map items allowing you to
119. on a Position Report Distress Calls are broadcasted to all DSC users in radio range Options available from this screen are e Show on Map If you immediately want to see the callers position they select Show on Map e Create Waypoint If you want to create a waypoint of that position highlight Create Waypoint and press ENTER MARK You also have the ability to input a callers name if it is known The callers name replaces the MMSI number as a reference once it is entered DSC Position Report The Position Report operates similarly to the Distress Call Remember this type of contact is like a phone call but no emergency alarms are set off and the call is specific to the receiver Position Reports are not broadcasted to all DSC users Reference Main Menu DSC Tab GPS Coll List Log Directory Setup Distress Call Message Coll List Log Directory Setup OSC Position Report Reneivina Tine Mos TO MAR O4 11 01 18 ore fran Sareea Past H 35 12 76 Soby 010 MOT a SLOT Coma _Soleie Show How ERENT Position Report Message 65 66 Reference Main Menu DSC Tab Call List Log Directory Setup DSC Entry Review BHH k Mame Berenin Tie TO MAR O4 11 01 18 H J5 ETG io Home SLATE i Tile DSC Entry Review JUGE i DSC Call List The DSC Call List displays the current calls received The GPS can manage up to 5
120. oon 1 Use the ARROW KEYPAD to highlight the date or time field and press ENTER Skyview lt lt Times 2 Enter a new date or time and press ENTER Way met g Ca r 3 To return to the current date and time press MENU use the ARROW KEYPAD to highlight Use oon Current Date and Time and press ENTER Ph i Sun ia To change the skyview orientation Position 1 From the Celestial tab press MENU then use the ARROW KEYPAD to highlight North Up or Track Up and press ENTER Overhead 009 43 20 Horizon 0 Points Tab contains the User and Proximity waypoint lists See page 30 Route Tab contains a list of available routes See pages 43 Main Menu Celestial Tab 60 Track Tab lets you specify whether or not to record a track log an electronic breadcrumb trail recording of your path define how it is recorded or save track log data for future use The Track Tab also provides an indicator of the memory used for the active track log and options to clear the track memory or start a TracBack route See page 40 for TracBack information The Track submenu is divided Main Menu Track Tab in two tabs Active tab and the Saved tab Active Submenu Tab is for the active log the log currently being recorded It displays track memory used and current settings For the Active tab the following settings are available Record Mode lets you select one of th
121. our simulated trip you re going to select a pre programmed tour route using the first method This also shows how the MENU key is used throughout the GPSMAP 172 172C system to provide tab style options and functions Lets start by changing the position to where the practice route is located To change the GPSMAP 172 172C position in simulator mode 1 Press the MENU key twice to display the list of Main Menu tab items Use the UP or DOWN arrow of the ARROW KEYPAD to highlight the Setup tab then LEFT or RIGHT to highlight the System submenu tab Highlight Set Position in the simulator setup window and press ENTER From the Initialize Position page press the MENU key You see Enter As Text highlighted then press ENTER On the Enter Position window press ENTER then use the ARROW KEYPAD to enter N34 56 800 W076 24 066 and press ENTER when done then press QUIT to return to the Map Page Getting Started Using the NAV Key TUE A 7 r a Ho i H F Fk HEKE AK H i Text entry for simulator position TEGETE e For future practice you may skip steps 3 and 4 and point to a location from the Initialize Position page Getting Started Simulated Tour ar Tide GPSMAP TOUR _ _ Cees Select Route Points GPSMAP TOUR Poua Track DSC Cod Hop E Temp Sonar Setup Conn Alem aF Aaaiiol
122. point in a route To Course The recommended direction to steer in order to reduce course error or stay on course Provides the most efficient heading to get back to the desired course and proceed along your route Track The direction of movement relative to a ground position Also referred to as ground track Trip Odometer A running tally of distance travelled since last reset Also see 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 destination and your current track L indi cates you should turn left R indicates you should turn right The degrees indicate the angle you are off course VMG Velocity Made Good The speed you are closing in on a destination along a desired course Also referred to as the vector velocity to your destination Physical Specifications Size 4 9 H x 6 3 Wx 3 7 D 122 5mm x 157 5mm x 92 5mm Weight 1 0 lb loz 481Kg Display 172C 3 2 W x 3 2 H 81 28mm CSTN Color Super Twist Nematic with adjustable CCFL Cold Cathode Fluorescent Lamp backlighting 320x320 pixels 172 3 2 W x 3 2 H 81 6 mm 10 level grayscale FSTN Film Super Twist Nematic with adjustable CCFL cold cathode backlighting 320x320 pixels Case Fully gaskete
123. ponents contain chemicals known to the State of California to cause cancer birth defects or reproductive harm This Notice is being provided in accordance with Californias Proposition 65 If you have any questions or would like additional infor mation please refer to our web site at http Avww garmin com prop65 Introduction Warranty and Serial Number Serial Number Use this area to record the serial number 8 digit number located on the back of the unit in case it is lost stolen or needs service Be sure to keep your original sales receipt in a safe place or attach a photocopy inside the manual Serial Number EAA h The Garmin GPSMAP 172 172C has no user serviceable parts and is fastened shut with screws Any attempt to open the case to change or modify the unit in any way voids your warranty and may result in permanent damage to the equipment This Garmin product is warranted to be free from defects in materials or workmanship for one year from the date of purchase Within this period Garmin will at its sole option repair or replace any compo nents that fail in normal use Such repairs or replacement will be made at no charge to the customer for parts or labor provided that the customer shall be responsible for any transportation cost This warranty does not cover failures due to abuse misuse accident or unauthorized alteration or repairs THE WARRANTIES AND REMEDIES CONTAINED HEREIN ARE EXCLUSIVE AND IN LIEU OF A
124. ps using Garmin s MapSource PC products and BlueChart Data Cards Coordinates Lat Lon UTM UPS Loran TD over 20 grids including Maidenhead TracBack route feature which allows you to quickly retrace your track log to a starting position Built in simulator mode Built in tide information from over 3 000 tide stations around the USA coastline Alaska Hawaii western Canada and several Caribbean Islands Introduction Capabilities Superior Fishfinding Ability when com bined with the GSD 20 Sounder Module Whiteline feature provides a clear image of bottom hardness and structure See Thru technology which helps sepa rate fish returns from thermoclines and structure Depth Control Gain DCG feature automatically adjusts fishfinder sensitivity according to depth Multiple Zoom levels with a moving view window plus bottom lock Underwater waypoint marking Map Sonar split screen combines navigation and fishfinding ability Fish and Depth alarms yi Introduction Packing List Before installing and getting started with your unit please check to see that your package includes the following items If any parts are missing please contact your Garmin dealer immediately Standard Package GPSMAP 172 172C Unit GA 29 Remote External Antenna and 30 cable Internal Antenna Single Knob Tilt amp Swivel Bracket Power Data Cable Owners Manual Quick Reference Card Protective Cover Not included with part
125. r a selected waypoint 1 With the waypoint highlighted press the ENTER key 2 To return to the Map Page press ENTER again or press QUIT The cursor can also be used to create new waypoints right from the map display To create a new waypoint using the cursor 1 Use the ARROW KEYPAD to move the cursor as close as possible to the following position N35 02 914 W 076 26 152 Use the data window to verity the cursor position 2 Press and release the ENTER key to capture the cursor position Do not hold the button down as doing so marks your present position not the map position 3 Use the ARROW KEYPAD to highlight the waypoint symbol field to the left of the waypoint name number 4 Press ENTER to access the symbol page 5 Use the ARROW KEYPAD to select the Shipwreck symbol and press ENTER to confirm 6 Highlight OK at the bottom and press ENTER again to finish Getting Started Reviewing Creating Map Waypoints 00 2 3 suje The waypoint highlights when the cursor is moved over it Waypoint numbering starts with 001 and continually counts up even if the waypoint name has been deleted Getting Started Compass Navigation Page PEHE Ti ste Next TOURE Dest TOURS re a 7 Compass 330 nea e a vs Current Destination Compass Page Now that we re navigating to an actual destination lets move on to the
126. r each point from your present position The current destination point the active point is TOUR zE O17 marked with an arrow icon As you navigate a route the point list automatically updates to indicate the E ps nt nts 8p al TOURS iy 339 next active point first The Active Route and Route Review pages share many of the same features and ee options ee 5 Active Route Page Options The following options are available by pressing MENU on the Active Route page e Edit on Map see pages 47 for instructions Active Route Page P pas e Add Before see page 48 for instructions e Remove see page 48 for instructions o Invert reverses the direction of the route E To invert an active route 1 From the Active Route page press MENU 2 Using the ARROW KEYPAD highlight Invert and press ENTER to reverse the route Re evaluate recalculates and reactivates the current route data Selects the route leg clos eel est to your current position as the active leg the active leg defines the current from and to waypoints T Fol To re evaluate an active route Active Route Page Menu Opti a a 1 From the Active Route page press MENU 2 Using the ARROW KEYPAD highlight Re evaluate and press ENTER to recalculate 50 Find Key Reference The FIND key allows you to search the unit for user waypoints map items and any optional BlueChar
127. r of stored and available waypoints is displayed at the bottom of the User page with the stored waypoints arranged in numerical alphabetical order To scroll through and review the waypoint list 1 With the ARROW KEYPAD highlight the Points tab on the main menu then highlight User 2 Use the ARROW KEYPAD to scroll through the list in the desired direction 3 Press ENTER to review the highlighted waypoint on the Waypoint Edit page see page 34 for detailed information on reviewing and editing waypoints 4 With Next highlighted press ENTER to return to the list The field highlight automatically moves to the next waypoint in the list aza SENET aE Main Menu Points Tab The following options are available by pressing MENU while highlighting the Points tab the User submenu or one of the User waypoint names Freir Taage T e Create Waypoint allows you to create a waypoint See page 30 e Delete Waypoint deletes selected waypoint from list and any route in which it was used e Delete By Symbol deletes waypoints that use the same symbol e Delete All deletes all waypoints from the unit 36 A Once a waypoint is deleted from the list it cannot be recovered from the unit It is advisable to backup important waypoints to a computer using an optional PC cable and interface software save them to a data card or write them down by hand To delet
128. ration of time Main Menu Temp Tab Setup Tab The following settings are available e Temperature Scale sets the temperature range in degrees for displaying the log Select Auto GPS ten ond Graph Sesin to have the unit automatically determine the best range or select a span of 2 4 6 8 or 10 im i el degrees Duration Ponts emer 615 a Time Duration sets how fast or slow the temperature log scrolls the shorter the time duration ee M the faster the temperature log scroll Select a duration from 1 minute to 2 5 hours m Sonar Tab contains setup options for the Sonar Page See pages 53 pee Comm Setup Tab consists of three submenu tabs System Units and Time Scale an er System Submenu Tab controls system settings for beeper speed filter languages system mode Main Menu Temp Tab simulator controls restores factory settings and displays software version The following settings and options are available e Beeper controls audible beep Select from Off Alarms Only sounds for alarms messages SPS oam units To or Key and Alarm sounds for key presses and alarms messages Aulo e Speed Filter averages speed readings Choose from Off Auto automatically controls filter zen i l ing or On allows you to enter a value from 1 to 255 seconds e Language select from various languages for the units on screen display
129. ree cloth Don t apply the cleaner directly to the lens apply a small amount of cleaner to the cloth and then wipe the lens Storage Do not store the unit where exposure to tempera ture extremes may occur see left as permanent damage may result User information such as waypoints routes etc is retained in the units memory without the need for external power It is always a good practice to back up important user data by manually recording it or download ing it to a PC see pg 72 Water Immersion The GPSMAP 172 172C is waterproof to IEC Standard 60529 IPX7 It can withstand immersion in 1 meter of water for 30 minutes Prolonged submersion can cause damage to the unit After submersion be certain to remove the data card and dry the compart ments before reuse To resolve problems that cannot be remedied using this guide contact Garmin Customer Support in the U S A at 500 800 1020 or Garmin Europe at 44 0870 8501241 87 Appendix G Antenna Installation BEST BETER ZO D gt e y 2 SE Suggested locations for mounting the GA 29 antenna Garmi It is possible to route the coaxial cable either through or outside the antenna mount It is possible to remove the BNC connector on the coaxial cable and the coaxial cable shortened to ease installation however doing so voids the antenna warranty If the BNC connector is removed it must be replaced with a new
130. ree track recording options Off No track log is recorded Note that selecting the Off setting prevents you from using the TracBack feature Reference Fill a track log is recorded until the track memory is full Wrap A track log is continuously recorded wrapping through the available memory replacing the oldest track data with new data vamen Ane tih Color 172C lets you choose a color that is used to display the active track log Tab 172 1720 e Style 172 choose from 17 different track styles used to display the active track log o Interval defines the frequency at which the track plot is recorded Three interval settings are available SEENGESIA CEE CES GPS Active EXIT l Te 10 HaR O4 Distance records track based on a user defined distance between points Bea FO RUN Time records track plot based on a user defined time interval ira DE Resolution records track plot based upon a user defined variance from your course over ground The resolution option is the default setting and is recommended for the most Tae efficient use of memory and TracBack performance The distance value entered in the value Sony 7 field is the maximum error allowed from the true course before recording a track point ern e Value defines the distance or time used to record the track log Main Menu Saved Track Save allows you to save the current active tr
131. righter or DOWN for dimmer backlighting Press LEF or RIGHT to adjust the display contrast GPSMAP 172 172C Getting Started Tour The Garmin GPSMAP 172 172C is a powerful electronic navigation system that provides detailed map coverage and convenient control of many advanced features right from the screen display This tour is designed to take you through the basic pages and functions of the system using the simulator mode Once you re familiar with the main pages and functions of the unit refer to the reference section for instructions on performing specific tasks and functions For GSD 20 sonar related operations refer to GSD 20 Sounder Module with Garmin Chartplotters 190 00241 03 The Getting Started Tour assumes that the receiver has been properly installed and initialized and you have not changed any of the default unit settings If you have changed any settings position for mats units of measure etc the descriptions and pictures in the tour may not match your configura tion To turn the GPSMAP 172 172C on 1 Press and hold the POWER key until the power tone sounds then release the POWER key The Warning Page appears while the unit conducts a self test 2 Once the self test is complete press the ENTER MARK key if you agree to acknowledge the warning The GPS Information Page appears as the receiver begins acquiring satellites From this or any other page you may also adjust the screen backlighting The GPSMAP
132. rs e g recreational users who remain in domestic waters and only carry VHF EPIRB Emergency Position Indicating Radio Beacons and Radar are not required to have a FCC ship station license The FCC and Coast Guard have authorized some second and third party vendors to as sign MMSI numbers This service is limited to registering recreational vessels only To receive information on how to obtain a recreational MMSI number please contact http www uscg mil rescue2 I 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 html If your vessel requires licensing by the FCC you will obtain a MMSI during the application licensing process when you file FCC Forms 159 and 605 U S Federal User Federal users can obtain MMSI assignments from their agency radio spectrum management office These procedures are currently under review by the NTIA National Telecommunica tions and Information Administration Outside the U S Users can obtain an MMSI assignment from their telecommunications authority or ship registry often by obtaining or amending their ship station license In Canada Industry Canada is responsible for assigning MMSI numbers to commercial and recre ational vessels Information is
133. s and press ENTER again To choose a color style that is used to display the saved track line highlight the field and press ENTER choose a Color and press ENTER again To display the track on the Map and Highway pages highlight the check box to the left of Show on Map and Highway and press ENTER To view the track on the map highlight Review on Map and press ENTER Press QUIT to exit the Track Map window 5 Highlight OK and press ENTER to save the track To activate a TracBack using the NAV key 1 Press the NAV key then highlight the Follow Track option and press ENTER 2 Highlight the track you wish to follow and press ENTER 3 Choose either Original which navigates you from the start to the end of your trip or Reverse which navigates you from the end to the start of your trip and press ENTER Once a TracBack has been activated the GPSMAP 172 172C takes the track log currently stored in memory and divides it into segments called legs Up to 50 temporary turns BEGIN TURN 1 TURN 2 TURN 3 TURN X END are created to mark the most significant features of the track log in order to duplicate your exact path as closely as possible To get the most out of the TracBack feature remember the following tips e Always clear the track log at the point that you want to go back to dock etc The Record Mode option on the track log setup page must be set to Fill or
134. s traveled e MOVE AVERAGE SPEED Average moving speed 0 0 HL e MOVE TRIP TIME Time unit has been moving for a trip a pT e OFF COURSE Distance from desired track Tie fo BeSrinanio fee POINTER Arrow points to your destination Tine wes P POSITION Current position coordinates e SONAR Compressed view of sonar data SPEED Speed over ground e TIME OF DAY Current time TIME TO DESTINATION Time to final waypoint e TIME TO NEXT Time to next waypoint e TO COURSE Bearing to desired track e TOTAL AVERAGE SPEED Total average speed e TOTAL TRIP TIME Total travel time of trip stopped and moving e TRACK Current compass direction of travel TRIP ODOMETER Trip Odometer e TURN Directional amount of turn needed to match bearing e VELOCITY MADE GOOD Velocity Made Good to destination e VOLTAGE Current voltage reading being received by unit e WATER SPEED Speed through the water e WATER TEMP LOG Timeline graph of the transducers temperature reading e WATER TEMPERATURE Water temperature Map Setup Tf receiving proper sonar data from other device such as a GSD 20 Sounder Module or NMEA device Menu Options NOTE COMPASS HIGHWAY POSITION SONAR and WATER TEMP LOG are only available on Large and Huge sized data fields Turn Declutter On Off toggles between showing spot soundings and map outlines for easier viewing 26 Compass Page The GPSMAP 172 172C featur
135. simplifies segments with fewer changes in direction To stop TracBack navigation 1 Press the NAV key highlight Stop Navigation and press ENTER For more information on setting up the Track options and saved tracks see pages 61 MOB Key The GPSMAP 172 172C s Man OverBoard function MOB lets you simultaneously mark and set a course to a position for quick response to emergency situations To activate the MOB function 1 Press and hold the MOB key for two seconds 2 Press ENTER to confirm and begin navigating to the MOB position Once a MOB has been activated a MOB waypoint with an international MOB symbol is created and the unit is set on an active navigation to that point Use any of the Navigation Pages to guide you back to the MOB point The MOB waypoint is stored in the waypoint list and may be deleted like any other waypoint see page 17 To stop navigation to the MOB position 1 Press the NAV key highlight Stop Navigation and press ENTER Routes Reference The last way to navigate to a destination is to create a user defined route The Garmin GPSMAP 172 172C system lets you create and store up to 50 reversible routes numbered 1 50 with up to 50 waypoints each Routes can be created and modified in two ways The first way is to Edit on Map from the Route Edit map page allowing you to see each route graphically on screen as you create review or modify the route The second way is to Edit as Tex
136. solder on or crimp BNC connector 88 Installing the GPSMAP 172 172C The GPSMAP 172 172C must be properly installed according to the following instructions to get the best possible performance If you have the GPSMAP 172 172C with the built in internal antenna you may skip this section and proceed to the next page For units purchased with the remote GA 29 antenna follow the instructions below To complete the installation you ll need the appropriate fasten ers and a 1 x 14 thread marine antenna mount available at most marine dealers When in doubt seek professional assistance Mounting the GPS Antenna The antenna should be mounted in a location that has a clear unobstructed view of the sky in all directions to ensure the best reception Avoid mounting the antenna where it is shaded by the boat s superstructure a radome antenna or mast Sailboat users should 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 antennas 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 need to raise the antenna to avoid shading try using a 1 x 14 thread extension mast available at most marine dealers To install the GPS antenna 1 Screw the antenna directly onto the 1 x 14 thread mount 2 Route the ca
137. stomize the Compass Page to display the size and number of fields along with the type data you wish to see See pages 25 26 for changing the types of data Lets move on to the Highway Page by pressing the PAGE key Highway Page The GPSMAP 172 172Cs Highway Page also provides graphic steering guidance to a destination waypoint placing greater emphasis on the straight line desired course and the distance and direction you are off course As you head toward your destination the middle of the screen provides visual guid ance to your waypoint on a moving graphic highway Your present position is at the bottom center of the highway display The line down the middle of the highway represents your desired course As you navigate toward a waypoint the highway actually moves indicating the direction you re off course To stay on course simply steer toward the center of the highway or keep it on the road The default data fields at the top of the page indicate Speed and Distance To Next point along with To Course which shows the bearing to get you back on course and Time To Next point Use the High way Page as your primary navigation page in lieu of the Compass Page when your main concern is following a defined course Whenever the GPSMAP 172 172C is in simulator mode you can also adjust your speed and course from the Highway Page using the ARROW KEYPAD As you head toward each waypoint in the tour route
138. symbol can be selected pai Depth rom a list of symbols 38 51 337 i f yy wo94 47 931 T Current Pesition 01 28 40 en A comment can be added ee fo watt Delete Show The coordinates can be changed asoarne asaan ai Non programable data fields A water temperature can be entered ap ERUTCRRTENTES Option buttons can be activated Getting Started Initializing the Receiver GPSMAP 172 172C Warning Screen Initializing the Receiver The first time you power up your new GPSMAP 172 172C the receiver must be given an oppor tunity to collect satellite data and establish its present position To ensure proper initialization the GPSMAP 172 172C is shipped from the factory in AutoLocate mode which allows the receiver to find itself anywhere in the world To speed up the initialization process we recommend using the graphic initialization process described on the next page which usually provides a position fix within a few minutes Before you initialize make sure the GPSMAP 172 172C unit and antenna have been correctly installed on your vessel according to the instructions in Appendix G The antenna needs to be in a location with a clear and unobstructed view of the sky to receive satellite signals To turn the GPSMAP 172 172C on 1 Press and hold the POWER key until the power tone sounds and the display comes on then release the POWER key An introduction page appears asking yo
139. t from the Route Review page allowing you to see Creating Routes a list of the waypoints as you create review or modify the route All of the GPSMAP 172 172C s route Tie nakal functions are accessed through the Main Menu page or the NAV key Pans en To create a route graphically from the Route Edit map page is ae 1 Press the MENU key twice to display the Main Menu page Use the ARROW KEYPAD to highlight Hs the Route tab Sr 2 Press the MENU key to display the route options page Select New Route and press ENTER me ee Or highlight the first available blank slot in the Route List and press ENTER 3 To add an existing waypoint or map item to the route use the ARROW KEYPAD to highlight the desired waypoint or map item on screen and press ENTER Map items do not appear in the waypoint list To create a waypoint trom a map item see page 13 Main Menu Route Tab and Route Options Menu 4 To add a new waypoint to the route use the map cursor to select the desired map position and press ENTER Press ENTER again to confirm the new waypoint You may also change the name symbol and other properties of the new waypoint see pages 34 As you add each new waypoint to the route the data window at the top of the map display shows the waypoint map item name bearing and distance trom your location and coordinates of the cursor The bottom of the display shows you the number of availab
140. t or MapSource information loaded on a data card Press the FIND key to search for items Find Key from your current location by default You may also search from other locations When you press FIND a list of available items to search for appears The default items are Waypoints Cities Tide Sta Sh ee tions and Transportation Additional items such as Anchorages Businesses Exits Navaids Restricted n so caret Pst Areas Wrecks Obstructions etc are displayed depending on the optional BlueChart or MapSource Besse data card inserted into the unit If you pan around on the Map Page and press FIND the unit centers ite its search from the point where the cursor is located When using BlueChart or MapSource data your Troperitn position or the map pointer must be within the map outline area to search for information from that area To find a waypoint or other item from your current location Find Items List From the Cur rent Location 1 From any page press FIND 2 Using the ARROW KEYPAD highlight the desired category from the list and press ENTER 3 For Waypoints and Cities you may search using By Name or Nearest Use the ARROW KEYPAD to highlight the desired tab For By Name you may use the top field to spell out the name or scroll down through the list To find a waypoint or item from another location 1 Once the search results list is displayed for a particular item press MENU 2 H
141. the next waypoint in a route Fuel The fuel required to travel from present position to the indicated route waypoint Leg Dist The distance between two route waypoints Leg Fuel The fuel required to travel from a route waypoint to the next waypoint in sequence in the route Leg Time The time required to travel from a route waypoint to the next waypoint in sequence in the route Max Speed The maximum second by second speed recorded since last reset Moving Average Speed Average speed while the unit is moving Moving Trip Timer Total time the unit has been moving 85 Appendix E Navigation Terms DESTINATION WAYPOINT a FROM WAYPOINT 86 Odometer A running tally of distance travelled based upon the distance between second by second position readings Off Course The distance you are off a desired course in either direction left or right Also referred to as cross track error or course error Speed The current velocity at which you are travelling relative to a ground position Also referred to as ground speed Time To The estimated time required to reach a GOTO destination or the next waypoint in a route Also referred to as estimated time en route Time to Destination The estimated time required to reach a GOTO destination or the final waypoint in a route Time to Next The estimated time required to reach a GOTO destination or the next way
142. the top of the page provides a user selectable layout of various types of useful data Each data field may be configured to display several data options To display the Compass Page options 1 Press MENU To select a menu option 1 Use the ARROW KEYPAD to highlight the desired option and press ENTER For detailed instruc tions on changing the data fields and layout of the Compass Page see pages 25 26 For detailed instructions on changing the data fields and layout of the Compass Page see pages 25 26 Reference Compass Page Data Fields Bug a 20 200 3 MN Destination Bearing Pointer 27 Reference Highway Page Data Fields Current Nav Point Route Waypoints e Desired Track Line Current Position Zoom Scale Highway Page 28 Highway Page Whenever a Go To TracBack or route has been activated the GPSMAP 172 172C s Highway Page provides digital and graphic steering guidance to the destination with the Navigation Page The top half of the Highway Page features user selectable data fields that display useful navigation data The bottom section of the screen provides visual guidance to the waypoint on a graphic highway display The line down the center of the highway represents your desired track line As you head toward your destination the highway perspective moves to indicate your progress to the waypoint and which direction you should steer to stay on course If you are navig
143. then press ENTER Ul Bal ston 4 Press QUIT when finished ma TRA e Change Numbers allows you to specify the type of data displayed in each data field used on Be AO faye e ip the map display This option is available from any of the main pages See pages 25 26 for instructions on y m aim a7 e waa ais changing data field numbers eran yi a oa jacana oe ak i ai a er l The following data options are available for data fields on the main pages aa Ma M am BEARING Compass direction from your position to destination mat 7 e COMPASS Compass ribbon Highlight the field you e COURSE Desired Track wish to change e DEPTH Depth below transducer DIST TO DESTINATION Distance to final waypoint DIST TO NEXT Distance to next waypoint 25 Reference Map Page Options i P f Epail a PA amp 5 T ES p ai 1 Fe r T tse j fe aE i Fi ia Eet F ik one ay Ae bh ag wt font T e A josie H 3 rete ue ce ery uk a r z 4 L are BOANA Choose the type of data you wish to display ofati mere VAII Hap Defaults GU for Main Menu ELEVATION Elevation above below MSL Mean Sea Level e ETA AT DESTINATION Estimated Time of Arrival to final waypoint ETA AT NEXT Estimated Time of Arrival to next waypoint e GPS ACCURACY Shows estimated GPS accuracy e HIGHWAY Smaller version of the Highway Page e MAXIMUM SPEED Fastest speed the unit ha
144. tst o a naana l Powerme ORUM ee eed i 17 Section Two Reference u i 18 77 MP P Cee dc state A EET ah x 18 CUrsOrand ZOOMING corses iii ei 19 Do A N E AE l COMPASS Pabe saiat iant A 27 HighWay Pa Teresiae aE was 28 Highway Page Options 29 WAN pO Ea han Saran ieans Sed ahd 30 STCAUING v4 9 ih pAsdne wie hem deuyel hand dukes 30 ROVICWING 6 Oty dean EEE ETA 3A E AEE ETE EET EE 34 PISS test mei pneu EES 36 Going to a Destination 2 2 c ava gees 39 TracBack Navigation 4 40 MOB Man Overboard eese ound Papia eE 42 E EE E E EEEE 43 SICAUING aasi eiee dat cubed 44 Folow eee TA aa LECE rnae a ei 45 Review Pace enee EE eGo t ais 46 ENONSE penras Po phnasn deanna seein Naty seabed 47 Active Route Papen 4 ia iceaie det Mentha daa 50 Introduction Table of Contents TUNG IG ASE A E E OEE TE E 51 PING DUONG ee 52 Maim Ment Patensie ai antes i ae eae 53 CA EEES EEEE EA hacados 54 IKE MB ain Peict anh geeen in iiei 58 SLT aS AO ET 60 E E E T EEEE 60 TER aeh E E 6l DSC A teas chet E EEE 63 SANG TADS onanera a 68 TEMA PE E E EE EEEE 69 LP AD nu tit aIr EA decays 69 COMIN Tae ayie sE EREE E 2 PATI aoee eraa 76 Appendix A LORANTD 065 78 Appendix B Time Offsets 80 Appendix C Messages 00005 81 Appendix D Map Datums 83 Appendix E Navigation Terms 85 Appendix F Specifications Unit Care 87 Appendix G Instal
145. u by completing our on line registration today Have the serial number of your GPSMAP 172 172C handy and connect to our web site www garmin com Look for the Product Registration link on the Home page Also be sure to record your serial number in the area provided on page iv of this manual NOTE If you have previously registered a Garmin product purchase we invite you to re register using our NEW on line system Many services provided by our new product registration system are now being automated and re registering your purchase ensures you the best possible support from Garmin Introduction FCC Compliance FCC Compliance The GPSMAP 172 172C complies with Part 15 of the FCC interference limits for Class B digital devices FOR HOME OR OFFICE USE These limits are designed to provide more reasonable protection against harmful interference in a residential installation and are more stringent than outdoor requirements Operation of this device is subject to the following conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular install
146. u may download Garmins Loran TD Position Format Handbook from the Garmin web site 19 Appendix B The chart below gives an approximate UTC Universal Time 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 Time Offsets 80 Longitudinal Zone Offset Longitudinal Zone Offset W180 0 to W172 5 12 E0073 10 E0229 W172 5 to W157 5 11 BOD APOEL 2 W157 5 to W142 5 10 EOSS tO E092 3 W142 5 to W127 5 9 E0327 to E003 4 A W127 5 to W112 5 8 E06 3 to E082 3 5 W112 5 to W097 5 FOR De 10 E09 T3 6 A simple way to determine your local time offset is how W097 5 to W082 5 6 E097 5 to El12 5 1 many hours you are behind or ahead of UTC also called W082 5 to W067 5 5 EAS wW ELI 8 Greenwich or zulw time 3 7 Example EST Eastern Standard Time is 5 hours behind W067 5 to W052 5 4 ZAI OES 9 UTC so your offset would be 5 Adding one hour for day W052 5 to W037 5 2 F142 5 to E157 5 10 light savings would make EDT Eastern Daylight Time s 4 Subtract an hour for each time zone as you travel west W037 5 to W022 5 A PLG IO ELZ 14 W022 5 to W007 5 1 E172 5 to E180 0 12 Offsets for Continental U S would be EST 5 EDT 4 W007 5 to E007 5 0 CST 6 CDT 5 MST MDT 6 EST 6 PDT The GPSMAP 172 172C
147. u to read and acknowledge important information regard ing the proper use of the unit To acknowledge the introduction 1 After reading the introduction page press the ENTER key if you agree To graphically initialize the GPSMAP 172 172C 1 Press the MENU key twice for the Main Menu Press Up or Down on the ARROW KEYPAD until the GPS tab is highlighted then press the MENU key once 2 Using the ARROW KEYPAD highlight Initialize Position and press ENTER to initialize the receiver from the map The Initialize Position Page appears prompting you to select your approxi mate location with the map cursor 3 Use the ARROW KEYPAD to move the map cursor and point to your approximate location within 200 miles If you have difficulty identifying your position press and release the IN key to see the next lower map scale 4 Once you have determined your approximate location on the map press the ENTER key This does not calibrate the unit in any way but rather helps to speed up the initial satellite acquisition If the unit displays Ready 2D or 3D during this process it is not necessary to initialize the unit The GPS Information Page appears as the receiver begins acquiring 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 satellite in view appears on the bottom of the page with the appropriate satellite
148. ute is automatically highlighted This allows you to review each point on the route by repeatedly pressing ENTER Route Review Options Menu By pressing MENU on the Route Review page the following options are available Edit on Map Add Before Remove and Trip Planning e Edit on Map review and modify the route displayed for each point waypoint or map item Reference on a map page You may also use the cursor to insert a new route point on a route leg review the waypoint or map item Editing Routes To edit a route on the map 1 From the Route Review page press MENU highlight Edit on Map and press ENTER To review a route point 1 Highlight the point and press ENTER The Review page appears Highlight Next and press ENTER to return to the map with the next route point highlighted To edit a route point 1 Use the ARROW KEYPAD to highlight the desired route waypoint and press MENU q5 Points Avaitotle 5 Paiste ied A pop up menu of editing choices appears with the following options Edit as Text return to the Route Review page Remove Move user waypoints only and Add Highlight a route point and i press ENTER to review it To remove a route waypoint 1 Highlight the Remove option and press ENTER To move a route waypoint GPSHAF TOUR 1 Highlight the Move option and press ENTER ACT T N wae 2 Move the cursor to the new map position and press ENTER cane To add points t
149. vaids and a host of other chart features It also plots your track and displays any routes and waypoints you create An on screen cursor lets you pan and scroll to other map areas determine the distance and bearing to a position and perform various route and waypoint functions When the cursor is active an additional data window appears below the data fields to indicate the position range and bearing to the cursor or a selected waypoint or map item The map scale displays at the bottom right of the page The ZOOM IN and ZOOM OUT keys combined with the ARROW KEYPAD let you select zoom ranges and move the cursor Two basic map operating modes position mode and cursor 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 keep the cursor within the display area The GPSMAP system always powers up in the position mode with your vessel centered on the map display e When sufficient map coverage is not available to keep the boat centered the boat icon moves toward the edge of the display When the ARROW KEYPAD is pressed the GPSMAP 172 172C enters cursor mode In cursor mode e The cursor can be moved over the map display using the ARROW KEYPAD Whenever the cursor reaches the edge of the display the map scrolls forward under the cursor Keep in mind that the boat icon moves with the map scr
150. werful tool with many advanced features not covered in the Getting Started tour For detailed instructions on using these features or performing a specific task please refer to the Quick Reference Guide or the appropriate reference section of this manual If equipped with GSD 20 refer to the GSD 20 Sounder Module with Garmin Chartplotters 190 00241 03 for sonar operations The unit is still in Simulator mode for practice but automatically returns to its Normal operation mode when you shut it off and turn it back on To turn the GPSMAP 172 172C off 1 Press and hold the POWER key for about two seconds until the screen is blank 2 When the screen is blank release the POWER key The next section of the manual describes the pages and functions of the GPSMAP 172 172C in detail If you are unable to locate a specific option or function please refer to the Index Getting Started Deleting Waypoints Powering Off Unit Submenu Tabs Main Menu Tabs Main Menu Reference Map Page Data Fields N Geographic Name Map Page shown using optional MapSource data Map Page The GPSMAP 172 172C s Map Page provides a comprehensive display of electronic 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 na
151. y highlighted Choose Show want to add to the route Map and press ENTER to view the point on the map then press QUIT to return to the Waypoint Point Review page With OK highlighted press ENTER to add the point to the route 7 Repeat steps 4 6 until the desired route points have been entered Press QUIT to return to the DOEDE Route List page Haa TMP eleet p g 1 By Hone Heorest Vinca k Jfa oz 1 Following a Route year Once a route has been created it can be activated and used for navigation with the NAV key A FISH route may be followed in the same sequence as it was originally created or inverted and followed from ff FOOD y q 8 y 2 Gana the end point back to the beginning point To activate and follow a route T 1 From any page press the NAV key then using the ARROW KEYPAD highlight Follow Route and the B O Nedret press ENTER If you highlight a route from the Route List or Route Review page and press NAV tab the window automatically displays Follow lt the route name gt 44 2 Highlight the route you wish to navigate and press ENTER Reference 3 Choose Activate or Invert and Activate and press ENTER Activate uses the route as is Invert i and Activate reverses the route then activate it Route List Page To deactivate stop navigation of a route 1 Press the NAV key highlight Stop Navigation and press ENTER

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