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Garmin GPSMAP 172, Owner'S Manual

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Garmin GPSMAP 172 Owner'S Manual Download Page 26

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, let’s change the ‘TIME TO NEXT’ 
field to ‘TIME OF DAY’.

To change a data field:

1.   Press the 

MENU 

key to display the Highway Page options.

2.   With ‘Change Numbers’ highlighted, press 

ENTER

.

3.   Use the 

ARROW KEYPAD

 to highlight ‘TIME TO NEXT’, then press 

ENTER

.

4.   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 

ENTER

. 

5.   Press 

QUIT 

when finished.

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 tour’s last page is the 

Main Menu page, which allows access to the GPSMAP 172/172C’s waypoint, route and planning func-
tions, as well as various operational and navigation setup features, and celestial and tide data.

The Main Menu is available from any page, and is accessed through the 

MENU 

key.

To access the main menu page:

1.   Press the 

MENU 

key twice (or hold down the 

MENU 

key for two seconds.).

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 
and options for that tab.

You may choose from several 
different types of data

Current 
waypoint

Active Route Page

Getting Started

Active Route Page/ 

Main Menu Page

Summary of Contents for GPSMAP 172

Page 1: ...owner s manual GPSMAP 172 172C chartplotting receiver ...

Page 2: ...ne copy of this manual or of any revision hereto pro vided that such electronic or printed copy of this manual must contain the complete text of this copyright notice and provided further that any unauthor ized 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 ...

Page 3: ...needs service Keep the original sales receipt or a photocopy in a safe place Serial Number ___ ___ ___ ___ ___ ___ ___ __ Contact Garmin Contact Garmin if you have any questions while using your product name In the USA contact Garmin Product Support by phone 913 397 8200 or 800 800 1020 Monday Friday 8 AM 5 PM Central Time or go to www garmin com support and click Product Support In Europe contact...

Page 4: ...installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and the receiver Connect the equipment into an outlet that is on...

Page 5: ...a to cause cancer birth defects or reproductive harm This Notice is provided in accordance with California s Proposition 65 See www garmin com prop65 for more information Hg LAMP S INSIDE THIS PRODUCT CONTAINS MERCURY AND MUST BE RECYCLED OR DIS POSED OF ACCORDING TO LOCAL STATE OR FEDERAL LAWS For more information go to www garmin com aboutGarmin environment disposal jsp MAP DATA INFORMATION One ...

Page 6: ...FOR ANY BREACH OF WARRANTY To obtain warranty service contact your local Garmin authorized dealer or call Garmin Product Support for shipping instructions and an RMA tracking number Securely pack the unit and a copy of the original sales receipt which is required as the proof of purchase for warranty repairs Write the tracking number clearly on the outside of the pack age Send the unit freight cha...

Page 7: ... cities interstates US state highways and local thoroughfares 50 reversible routes with up to 50 waypoints each Uploadable maps 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 inf...

Page 8: ...wivel Bracket Power Data Cable Owner s Manual Quick Reference Card Protective Cover Not included with part 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 G...

Page 9: ...ntst 17 Powering Off Unit 17 Section Two Reference 18 77 Map Page 18 Cursor and Zooming 19 Options 21 Compass Page 27 Highway Page 28 Highway Page Options 29 Waypoints 30 Creating 30 Reviewing 34 Editing 34 Lists 36 Going to a Destination 39 TracBack Navigation 40 MOB Man OverBoard 42 Routes 43 Creating 44 Following 44 List Page 45 Review Page 46 Editing 47 Active Route Page 50 Find Key 51 Find Op...

Page 10: ...he unit s function keys 1 Mark your present location as a waypoint 10 Go to a destination 11 Create and use a route 30 Pan using the map arrow 19 Zoom in or out on the Map page 18 Reconfigure the Map page display 21 Access the Main Menu 53 Change units of measure statute nautical metric 71 Change the displayed time zone 72 View tide information 58 View celestial information 60 Set Alarms 76 Use th...

Page 11: ...lso 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 pres...

Page 12: ...re 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 activa...

Page 13: ...pidly through the list 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 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 W...

Page 14: ...inutes 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 re...

Page 15: ...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 number under each bar The progress of satellite a...

Page 16: ...lf 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 172 172C s adjustable screen backlighting is controlled with the POWER key The backlight can cycle through minimum user defined and ma...

Page 17: ...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 pages While in Simulator mode a Running Simulator message appears after 2 minutes of inactivity Now you re ready to continue the rest of the simulated t...

Page 18: ...r practice route let s take a brief look at its various features and displays The map display shows your boat as a triangle marker on an electronically generated chart Geographic names roads markers and buoys 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 determ...

Page 19: ...r 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...

Page 20: ...ou accidentally press ENTER before you are done simply press ENTER again and move the highlight to where you left off 5 After you have entered all the letters press ENTER to confirm the name 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 symb...

Page 21: ... 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 Let s 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 2 Use the UP or DOWN arrow of...

Page 22: ...ld 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 let s 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 fiel...

Page 23: ...n and the coordinates for the waypoint To review the waypoint page for 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 follow...

Page 24: ...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 t...

Page 25: ... 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 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 i...

Page 26: ...ow 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 tour s last page is the Main Menu page which allows access to the GP...

Page 27: ... You ve now gone through the basic operation of the Garmin GPSMAP 172 172C Your new digital chartplotter is a powerful tool with many advanced features not covered in the Getting Started tour For detailed instructions on using these features or performing a specific task please refer to the Quick Reference Guide or the appropriate reference section of this manual If equipped with GSD 20 refer to t...

Page 28: ...ode 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 When sufficient map coverage is not available to keep the boat ...

Page 29: ...eep 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 review a selected position directly from the map display 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...

Page 30: ...oom out and the IN key to zoom in The scale value represents the distance from one end of the scale bar to the other The GPSMAP 172 172C s 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 sel...

Page 31: ...tions 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 ...

Page 32: ...s 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 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...

Page 33: ...card on or off The Data Card Maps option box shows a list of the optional BlueChart MapSource data loaded on the data card Each area is described by name and may be dese lected if you do not wish to display the data on the Map Page 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 3 To select dese...

Page 34: ... 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 y...

Page 35: ...mber 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 then press ENTER 4 Press QUIT when finished Change Numbe...

Page 36: ...ng to desired track TOTAL AVERAGE SPEED Total average speed TOTAL TRIP TIME Total travel time of trip stopped and moving TRACK Current compass direction of travel TRIP ODOMETER Trip Odometer TURN Directional amount of turn needed to match bearing VELOCITY MADE GOOD Velocity Made Good to destination VOLTAGE Current voltage reading being received by unit WATER SPEED Speed through the water WATER TEM...

Page 37: ...irection 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 ...

Page 38: ...played 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 trac...

Page 39: ...to show more fields with a smaller number size or less fields with a larger number size See page 25 Change Numbers allows you to specify the type of data displayed in each data field used on the map display For detailed instructions on changing the data fields and layout of the Highway page see pages 25 26 Active Route Page Whenever you have activated a route in the GPSMAP 172 172C system the Acti...

Page 40: ...to mark your present position This can be determined by looking at the GPS tab on the Main Menu To mark your present position 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...

Page 41: ...nt location not the map cursor s position 3 The New Map Waypoint page appears To accept the waypoint with the default name and symbol press ENTER 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 To create a new w...

Page 42: ...r temp highlight the appropriate field and press ENTER Make your changes and press ENTER when finished 5 Use the ARROW KEYPAD to highlight OK and press ENTER to save the waypoint A waypoint may also be created by projecting the distance and bearing 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...

Page 43: ...ave 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 Append to Route Adds the new waypoint to the end of a route Move Waypoint Allows you to move the waypoint to a new location on the map display To ap...

Page 44: ...he User or Proximity lists 2 Press ENTER to display the Waypoint Edit page If the waypoint is located on a map feature or 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 h...

Page 45: ...n window that shows the waypoint name position and distance and bearing from your current position 2 To move the waypoint press ENTER A MOVE label now appears under the cursor arrow It may 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 the map display the information window at the top changes to sh...

Page 46: ...ed 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 ...

Page 47: ...ete 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 confirm 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 A...

Page 48: ...value to 99 99 units and press ENTER 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 Delete Alarm removes selected waypoint from proximity list Delete All removes all waypoints from proximity l...

Page 49: ...ide Stations etc from this list 4 Select a waypoint from the By Name or Nearest list then press ENTER To display the Waypoint Review page for the selected waypoint 5 With the Go To button highlighted press ENTER to begin navigation To stop navigation 1 Press the NAV key Use the ARROW KEYPAD to highlight Stop Navigation and press ENTER Selecting a Go To Graphically A graphical Go To may be used to ...

Page 50: ...ivating 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...

Page 51: ...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 ...

Page 52: ...d 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 s...

Page 53: ... 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 from a map item see page 13 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 ...

Page 54: ...ly highlighted Choose Show 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 Route List page Following a Route Once a route has been created it can be activated and used for navigatio...

Page 55: ... highlight the desired route and press NAV 2 With Follow route name highlighted press ENTER Highlight Activate or Invert and activate and press ENTER To deactivate stop following the route 1 Press the NAV key highlight Stop Navigation and press ENTER To copy or delete a route 1 From the Route List using the ARROW KEYPAD highlight the route you want to copy or delete and press MENU 2 Choose either ...

Page 56: ... 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 proper...

Page 57: ...user waypoints only and Add To remove a route waypoint 1 Highlight the Remove option and press ENTER To move a route waypoint 1 Highlight the Move option and press ENTER 2 Move the cursor to the new map position and press ENTER To add points to the beginning or end of the route 1 With the map cursor select the first route waypoint to add waypoints to the beginning of the route or last to add waypo...

Page 58: ... the Route Review or Active Route pages use the ARROW KEYPAD to highlight the 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 w...

Page 59: ...lect 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 for Speed Fuel Flow Departure Time and Departure Date 4 Press QUIT to return to the Route Review Page NOTE Fuel flow rates on your unit are measured in units per hour System setting changes for units of measure statute nautical or metric ...

Page 60: ...ute Page Options The following options are available by pressing MENU on the Active Route page Edit on Map see pages 47 for instructions Add Before see page 48 for instructions Remove see page 48 for instructions Invert reverses the direction of the route 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...

Page 61: ...nt 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...

Page 62: ...ur search from any waypoint route list entry map item or tide station Highlight the item you want to Find from and press the 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 Nearest To Boat centers search from your boat s current location Nearest To Other allows you to...

Page 63: ...YPAD then move UP or DOWN to select individual items 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 GPS shows satellite status accuracy initialize position Tide shows 24 hour tide chart with levels and time...

Page 64: ...s a signal strength bar appears for each satellite in view The progress of satellite acquisition is shown in three stages No signal strength bars the receiver is looking for the satellites indicated Light White signal strength bars the receiver has found the satellite s and is collecting data Dark Green signal strength bars the receiver has collected the necessary data and the satellite s are read...

Page 65: ...ngs 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...

Page 66: ... 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 ...

Page 67: ...eceiver on or off Track Up North Up allows you to select between a north up or track up sky view display for the GPS Info display only AutoLocate allows the receiver to locate your position automatically This process can take up to five minutes 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 in...

Page 68: ... tide graph to show their relation The tide curve shows as a shaded area with higher tides being taller blue on 172C and lower tides shorter red on 172C The solid horizontal line with the current tide box on the left indicates the current tide height The figure to the left of the line will show the current tide level The Mean Lower Low Water MLLW appears as a solid horizontal line near the bottom ...

Page 69: ... FIND select Tide Stations and press ENTER MARK 2 Press MENU after the search results appear 3 Highlight Nearest To Other and press ENTER MARK 4 Select a position on the map and press ENTER MARK 5 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 ...

Page 70: ...until the information for that location is displayed on the Celestial tab See page 51 for more information on using the Find feature List highlight any category except Other Location and press ENTER If you wish to reference a Find item select from 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...

Page 71: ...rough the available memory replacing the oldest track data with new data Color 172C lets you choose a color that is used to display the active track log Style 172 choose from 17 different track styles used to display the active track log Interval defines the frequency at which the track plot is recorded Three interval settings are available Distance records track based on a user defined distance b...

Page 72: ...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 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 ...

Page 73: ...e while they are in transit to the caller s position A non emergency DSC Position Report allows mariners to exchange and display the positions of one another Once a DSC position is received the mariner may choose to create a waypoint or to show the received position on an electronic map Any time a vessel receives a DSC call they can store that location and quickly navigate to that position using a...

Page 74: ...s 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 amend...

Page 75: ... 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 on a Position Report Distress Calls are broadcasted to all DSC users in radio range Options available from this screen are Show on Map If you immediately want to see the caller s position they select Show on Map Create Waypoint If you want to create a waypoint ...

Page 76: ...u 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 Posit...

Page 77: ... 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 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 pa...

Page 78: ...a data card When data is saved to a data card it may be exchanged with other compatible units and Garmin s 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 ...

Page 79: ...age See pages 53 Setup Tab consists of three submenu tabs System Units and Time System Submenu Tab controls system settings for beeper speed filter languages system mode simulator controls restores factory settings and displays software version The following settings and options are available Beeper controls audible beep Select from Off Alarms Only sounds for alarms messages or Key and Alarm sound...

Page 80: ...e The following settings are available Position Format is used 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 h...

Page 81: ... Mag Var highlight the heading reference field immediately to the right and press ENTER 2 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...

Page 82: ...ver a personal computer another Garmin GPSMAP 172 172C etc If a 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 Garmin Data Transfer the proprietary format used to upload download MapSource data exchange waypoint route track almanac and p...

Page 83: ...ld and press ENTER 2 Use the ARROW KEYPAD elect the desired setting and press ENTER To select a transfer mode 1 Use the ARROW KEYPAD to select Garmin Data Transfer in the Serial Data Format field 2 Highlight the Transfer Mode field and press ENTER 3 Use the ARROW KEYPAD to select the desired setting and press ENTER You may also adjust the NMEA output to enable disable certain sentences and adjust ...

Page 84: ...the following Tuning unit is attempting to tune to the specified frequency and bit rate Scanning unit is automatically scanning through the frequencies and bit rates Receiving unit is receiving DGPS signal and ready for operation Check Wiring unit is not making connection with DGPS receiver When the unit is receiving a DGPS signal the SNR Signal to Noise Ratio and Distance fields shows data The SN...

Page 85: ...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 ...

Page 86: ... when the battery is reaching a critical state of discharge 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 value Nav Submenu Tab Anchor Drag sets an alarm to sound when you ve exceeded a specified drift distance Enter a value in the distance field and use the control field to turn the alar...

Page 87: ... to highlight desired submenu tab of the Alarm Tab 2 Highlight the field below the alarm name you wish activate and press ENTER 3 Change the mode to the desired setting and press ENTER 4 Highlight the next field to the right and press ENTER then enter the desired settings and press ENTER to finish 5 If you want the alarm to display and beep until acknowledged highlight the Persist box and press EN...

Page 88: ...nd 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 correc...

Page 89: ...f 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 coordinates accordingly Remember that the GPS is n...

Page 90: ...7 5º to E022 5º 1 E022 5º to E037 5º 2 E037 5º to E052 5º 3 E052 5º to E067 5º 4 E067 5º to E082 5º 5 E082 5º to E097 5º 6 E097 5º to E112 5º 7 E112 5º to E127 5º 8 E127 5º to E142 5º 9 E142 5º to E157 5º 10 E157 5º to E172 5º 11 E172 5º to E180 0º 12 A simple way to determine your local time offset is how many hours you are behind or ahead of UTC also called Greenwich or zulu time Example EST Eas...

Page 91: ...in Customer Service pg iv to have the unit serviced The GPSMAP 172 172C 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...

Page 92: ...er 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 track name 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 Ca...

Page 93: ...araguay Croatia Croatia Corrego Alegr Corrego Alegre Brazil Djakarta Djakarta Batavia Sumatra Island Indonesia Dos 1968 Dos 1968 Gizo Island New Georgia Islands Dutch Dutch Easter Isld 67 Easter Island 1967 European 1950 European 1950 Austria Belgium Denmark Finland France Germany Gibraltar Greece Italy Luxembourg Netherlands Norway Portugal Spain Sweden Switzerland European 1979 European 1979 Aus...

Page 94: ... Emirates Naparima BWI Naparima BWI Trinidad and Tobago Obsrvtorio 66 Observatorio 1966 Corvo and Flores Islands Azores Old Egyptian Old Egyptian Egypt Old Hawaiian Old Hawaiian Mean Value Oman Oman Oman Ord Srvy GB Old Survey Grt Britn England Isle of Man Scotland Shetland Isl Wales Pico De Las Nv Canary Islands Potsdam Potsdam Germany Ptcairn Ast 67 Pitcairn Astro 67 Pitcairn Prov S Am 56 Prov S...

Page 95: ...ated 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 the next waypoint in a route Fuel The fuel required to travel from present position to the indicated route waypoint Leg Dist The distance betwe...

Page 96: ...n 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...

Page 97: ...Unit Care Cleaning The unit s 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 ref...

Page 98: ... antenna s reception Never paint the antenna or clean it with harsh solvents The Garmin antenna screws directly onto any standard 1 x 14 thread antenna mount If you 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 cable to the mounting...

Page 99: ...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...

Page 100: ...widen the bracket arms clockwise to tighten 2 Adjust the unit angle and tighten the long mounting knob until snug 3 To tilt the unit loosen the long mounting knob on the right side of the bracket assembly 4 To rotate the entire bracket twist it left or right The bracket clicks as you turn it 5 Tighten all knobs once the desired viewing angle is obtained Slide the unit onto the bracket Adjust for o...

Page 101: ...t drill a hole for a location to begin cutting the mounting surface 5 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 t...

Page 102: ...If connecting to COM1 the unit must be set to NMEA In NMEA Out Documentation concerning NMEA 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 nmea org Radio Technical Commission For Maritime Services RTCM 1800 Diagonal Road Suite 600 Alexandria VA 22314 2480 U S A...

Page 103: ...nto 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 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 i...

Page 104: ... 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 73 7...

Page 105: ...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 Map Datums 71 83 84 Map Information Page 23 Map Item 11 Map Outlines 25 Map Page 8 9 18 Map Page Options 21 Map Scales 12...

Page 106: ...e 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 ...

Page 107: ...ffsets 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 Wayp...

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Page 110: ...ww garmin com 2004 2007 Garmin Ltd or its subsidiaries Garmin International Inc 1200 East 151st Street Olathe Kansas 66062 USA Garmin Europe Ltd Liberty House Hounsdown Business Park Southampton Hampshire SO40 9RB UK Garmin Corporation No 68 Jangshu 2nd Road Shijr Taipei County Taiwan www garmin com Part Number 190 00321 00 Rev C ...

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