Garmin GPSMAP 175 manual

1 O WNER’S MANU AL AND REFERENCE GPSMAP TM 175 ® GOTO ZOOM MOB MARK QUIT PAGE MENU EDIT ENTER 175 Manual 7/31/98 3:55 PM Page 1[...]

Software V ersion 2.0 or above Internal Database V ersion 2.01 © Navionics Corporation G-chart cartridge data is copyrighted by Navionics Corporation and may not be copied or used for any other purpose without permission. © 1996 GARMIN Corporation 1200 E. 151st Street, Olathe, KS 66062, USA GARMIN (Europe) L TD Unit 5, The Quadrangle, Abbey Park [...]

1 INTRODUC TION Capabilities/Packing List Congratulations on choosing one of the most advanced marine navigation systems available! The GARMIN GPSMAP 175 uses the pr oven performance and simple operation of GARMIN GPS in combination with powerful G-Chart electronic charting for detailed cartography and plotting that will help guide you in waterways[...]

2 C AU TION The GPS system is operated by the United States government, which is solely responsible for its accuracy and maintenance. The system is subject to changes which could affect the accuracy and performance of all GPS equipment. Although the GARMIN GPSMAP 175 is a precision electronic NA Vigation AID (NA V AID), any NA V AID can be misused [...]

1 GETTING S T AR TED T able of Contents Capabilities/Packing List .................................................................i W arning and Caution ......................................................................ii T able of Contents/Appendices .....................................................1-2 Unit Features ......................[...]

2 2 GETTING S T AR TED Appendices APPENDICES Appendix A: GPSMAP 175 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . .73-75 Appendix B: W iring & Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76-79 Appendix C: Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80-8[...]

1 GETTING S T AR TED GOTO ZOOM MOB MARK QUIT PAGE MENU EDIT ENTER 3 Internal GPS Antenna Operating Keypad Thr ee-level gray LCD display Battery Pack (in back) GPSMAP 175 Unit Features 175 Manual 7/31/98 3:55 PM Page 3[...]

2 4 INTRODUC TION Keypad Usage M P J G O T Q Z R B Scrolls the main pages in sequence and r eturns display from a submenu page to a main page. Captures your present position and displays the mark position window . Returns display to a previous page or restor es a data field’ s previous value. Adjusts the map and highway scales up and down. Contro[...]

1 5 GETTING S T AR TED Acquiring Satellite Signals Acquiring Satellite Signals Because the GPSMAP 175 relies on satellite signals to provide you with navigation guidance, the receiver needs to have an unobstructed, clear view of the sky for best performance. What exactly does this mean? In a nutshell, the GPS receiver’ s view of the sky will gene[...]

2 INTRODUC TION Initialization Initializing Y our GPSMAP 175 for First-T ime Use Y our GPSMAP 175 calculates your position and movement by tracking signals sent from GPS satellites. Each of the 24 GPS satellites circle the earth twice a day in a very precise orbit, and transmit infor mation back to earth. In order to determine a position fix, your [...]

1 A. The welcome page will be displayed while the unit performs a self-test. B. Confirm the Mariner’ s W ar ning befor e starting navigation. Remember that the electr onic chart is designed as a supplement to local government charts, not as a r eplacement. 7 GETTING S T AR TED Initialization The first time you power up your new GPSMAP 175 is an i[...]

A. Use the arr ow keypad to move the cursor to a location close to your pr esent position. B. Hollow signal str ength bars will appear on the status page while the r eceiver collects satellite data. 8 GETTING S T AR TED Initialization The select initialization window will appear , with the ‘select from map’ option highlighted. 1. Press T to ini[...]

A. The scr een contrast may be adjusted fr om the status page by pr essing the ARROW KEYP AD. Pr ess EDIT/ENTER to confirm changes. B. Whenever the scr een backlighting is on, a bulb icon will appear in the status bar at the bottom of every GPSMAP 175 page. 9 The GARMIN GPSMAP 175 is a powerful electr onic charting/navigating system that provides d[...]

A. T o start the simulator , confirm the simulator warning. Simulator mode should never be used for actual navigation. B. Whenever Simulator mode is activated, a ‘Setup Simulator?’ and an ‘Exit Simulator?’ option will appear on the options page. GETTING S T AR TED Status Page/Simulator Mode 10 The GPSMAP 175’ s status page provides a visu[...]

1 The satellite status page is one of four main pages used in the GPSMAP 175’ s system. All four pages are linked together in a simple chain, which allows you to scroll thr ough the pages in either direction using the J and Q keys. T o continue the tour , let’ s move on to the next page, the position page. T o scroll to the next page in sequenc[...]

A. The mark position page will automatically assign a default thr ee-digit name for each waypoint, which can be changed to a six- character alphanumeric name at any time. B. A complete set of waypoint symbols allows you to mark inland and offshore waypoints with a custom icon for fast waypoint recognition. GETTING S T AR TED Marking A Position 12 1[...]

1 A. Select an on-scr een waypoint by moving the cursor onto the waypoint. The name and position, along with the bearing and distance from your pr esent position, will be displayed. B. The map page can also be configur ed to display additional data fields and a graphic course deviation scale or compass. See page 32 for mor e on map options. 13 GETT[...]

2 A. Whenever the cursor is active, the bearing and distance of the cursor fr om your pr esent position will appear in a pop-up data window . B. T o remove the cursor and r ecenter your vessel on the map, pr ess the QUIT key . 14 GETTING S T AR TED Using the Map Cursor W orking from the map page is a simple process that centers around the use of th[...]

1 A. Pr essing GOTO once displays a list of all waypoints stor ed in memory . T o pick a destination, select the desir ed waypoint and pr ess EDIT/ENTER. B. The GOTO options page allows you to either start a T racBack r oute back home, select a destination fr om the nearest waypoints list, or select a r oute to navigate. 15 GETTING S T AR TED Using[...]

2 A. T o enter a boat speed or define the simulated course, highlight the ‘Setup Simulator?’ option and pr ess EDIT/ENTER. B. Enter a boat speed of 60 knots to begin the tour . This will allow you to complete the Getting Started tour in 10-15 minutes. GETTING S T AR TED Simulator Setup/Map Scales 16 A data field at the top of the page will now [...]

GETTING S T AR TED Reviewing & Creating W aypoints on the Map A. Cr eate waypoints fr om the map by moving the cursor to the desir ed position and pr essing the EDIT/ENTER key . B. The cr eate new waypoint page assigns the next available thr ee-digit number as the default name. If you ar e cr eating a waypoint at an on-scr een navaid, the icon [...]

A. In this example, our boat is right of course by 1/16th of a mile. (The base of the map is equal to the scale selected at the bottom right of the page.) T o get back on course, steer left. B. Her e, our boat is off course to the left. T o get back on course, steer right. A digital r eadout of your cr osstrack error can be displayed in any of the [...]

1 Whenever the GPSMAP 175 is in simulator mode, you can adjust your speed and course from the navigation page using the R 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 works. T o adjust the simulated boat speed: 1. Press the UP arrow of the R keypad to increase[...]

A. T o stop navigating the active r oute, select the ‘Deactivate Route?’ option and pr ess EDIT/ENTER. B. Use the left arr ow key to clear the SOG field and pr ess EDIT/ENTER to confirm. GETTING S T AR TED Active Route/Main Menu Page Now that you’ve seen the four main pages, let’ s review the active route page , which will appear in the mai[...]

1 As you’ve seen, the GPSMAP 175’ s main pages provide vital status, position, navigation and map information. The last page we’ll cover in the tour is the main menu page, which pr ovides access to the GPSMAP 175’ s waypoint, route and planning functions, as well as various operational and navigation setup features. The main menu is availab[...]

GETTING S T AR TED Power Off T o tur n the GPSMAP 175 off: 1. Press and hold the P key for about 3 seconds, until the screen is blank. Please read on and explore the Refer ence section— which contains a closer look at all of the exciting features of the GPSMAP 175— or use the Reference section as you need it. The GPSMAP 175 is one pr oduct you?[...]

1 The GPSMAP 175 status page provides a visual reference of various receiver functions, including current satellite coverage, receiver operating mode, battery strength and current receiver accuracy . The status information will give you an idea of what the receiver is doing at any given moment. The sky view and signal strength bars give you an indi[...]

A. The status bar at the bottom of the page displays important status, alarm, battery level, and map scale information. It also provides on-scr een user and message prompts. B. The status bar will display an anchor symbol or ‘PRX’ icon whenever the anchor drag alarm or proximity alarm has been trigger ed. S T A TUS P AGE Receiver Status Receive[...]

The GPSMAP 175’ s status page features a context-sensitive options page that provides access to functions and featur es relating to the status page. T o display the status page options: 1. Press O . T o select a menu option: 1. Highlight the desired option and press T . The following options are available: • Initialize Position?— allows you t[...]

The trip odometer can be r eset fr om the position page options window . T o reset the odometer , select the ‘Reset T rip Distance?’ option and pr ess EDIT/ENTER. POSITION P AGE Over view The GPSMAP 175 position page shows you where you are, what direction you are heading and how fast you are going. The top of the page features a graphic compas[...]

The GPSMAP 175’ s position page features a context-sensitive options page that provides access to functions and featur es relating to the position page. T o display the position page options: 1. Press O . T o select a menu option: 1. Highlight the desired option and press T . The following options are available: • Reset T rip Distance?— reset[...]

A. Use the cursor to pan ahead to other map ar eas. The map display will scr oll forward when you r each the edge of the map. B. T o select or ‘highlight’ an on- scr een navaid or waypoint, simply move the cursor over the waypoint symbol. The cursor will ‘snap’ to the waypoint, and display its name and position in the data field. MAP P AGE [...]

The map display uses the cursor keypad and a set of hard keys to control most map display functions. The Z key , combined with the R keypad, let you select zoom ranges and move the cursor . T wo basic map operating modes, position mode and cursor mode, determine what car tography is shown on the map display . Boat mode pans the cartography to keep [...]

A. T o create a new waypoint at the cursor , move the cursor to the desir ed position and pr ess EDIT/ENTER. B. The cr eate new waypoint page will appear , wher e you may change the waypoint name, symbol and comment befor e saving the waypoint. MAP P AGE Using the Cursor The cursor allows you to pan away from your present position and scroll to oth[...]

The map display has 16 available range scales from 1/8th to 4096 n.m. (1/4 to 7500km). The map scale is controlled by the Z key , with the cur rent scale displayed at the bottom of the data window . T o select a map scale: 1. Press up on the Z key to zoom out and down on the Z key to zoom in. The GPSMAP 175’ s system has a built-in worldwide data[...]

A. The map options page pr ovides access to all map configuration, page display and data field options. B. The ‘Maximize Map?’ option will eliminate the data fields and show full- scr een cartography . MAP P AGE Map Page Options The GPSMAP 175 map page is designed to be a flexible tool that can be custom-tailored to your exact navigation needs.[...]

• Configure the Map?— allows you to deter mine what chart features are displayed on a particular map scale to prevent excessive clutter . The map configuration page features an on/off grid with a list of chart features down the left side. The zoom scales are displayed across the top of the grid with the chart scale currently in use also indicat[...]

A. T o calibrate map, highlight ‘Calibrate the Map?’ option and pr ess EDIT/ENTER. B. A satellite icon will r emain on the map to indicate the GPS position, while the boat marker will r eflect calibration changes. Caution : The map calibration function should never be used to attempt corr ections to Selective A vailability errors. MAP P AGE Map[...]

• Setup Page Display?— allows you to specify the number of fields displayed in the data window section of the map page. A graphic compass tape or CDI scale may also be displayed. The following options are available: • 2 Fields • 2 Fields& Compass • 2 Fields & CDI • 4 Fields • 4 Fields & Compass • 4 Fields & CDI • 6[...]

A. The navigation page can be configur ed to show the active waypoint, all r oute waypoints and/or nearby waypoints on the graphic highway . NA VIG A TION P AGE Over view Whenever a GOTO, MOB, T racBack or route has been activated, the GPSMAP 175 will provide digital and graphic steering guidance to the destination with the navigation page. The top[...]

As you head toward your destination, the highway perspective will move to indicate your progress to the waypoint and which direction you should steer to stay on course. If you are navigating a route, the navigation page will show each route waypoint in sequence, with the active leg indicated by the white portion of the highway . Nearby waypoints no[...]

A. T en data options ar e available for each data field. The digital cr osstrack err or option is useful to display the exact distance you ar e off course in feet/miles or meters. B. T o select what waypoints appear on the graphic highway , highlight the desired setting and pr ess EDIT/ENTER. NA VIG A TION P AGE Nav Page Options The following optio[...]

The GPSMAP 175’ s main menu page provides access to various waypoint, system, navigation and interface management and setup menus. The main menu page is available from any page in the GPSMAP 175’ s system, and is accessed through the O key . T o access the main menu page: 1. Press O twice. The 11 submenus are divided into categories by function[...]

A. The mark key is used to mark your pr esent position, or can be used to mark the cursor or navaid position. B. The mark position page also allows you to add the new waypoint to the end of a r oute. Y ou can also cr eate a series of waypoints with the mark key and save them to an open storage r oute. When you’re r eady , simply invert the route [...]

The mark key may also be used on the map page to mark the cursor position or an on-screen navaid. T o mark a navaid, select the desired navaid with the cursor . The GPSMAP 175 will use the navaid text shown on the cartography as the default comment. T o mark the cursor or navaid position with the M key: 1. Use the R keypad to move the cursor to the[...]

A. Once a position has been selected on the map, the cr eate new waypoint page will appear . Here you can change the waypoint name, symbol or comment befor e saving the waypoint. B. T o create a waypoint by text entr y , start by entering the new waypoint’ s name. W A YPOINT S Creating W aypoints On Map & By T ext W aypoints may also be quick[...]

A new waypoint may also be created without knowing position coordinates by entering its range and bearing from an existing waypoint or your present position. The GPSMAP 175 will then calculate the position coordinates for you, using the reference selected. T o create a new waypoint using a reference waypoint: 1. Select the ‘Create Waypoint’ opt[...]

A. The waypoint definition page will appear whenever a waypoint is selected fr om the map or a waypoint list. B. A 20-character custom waypoint comment may be assigned to every waypoint. The default comment is the date and time of cr eation. W A YPOINT S Reviewing & Editing W aypoints Once you have created and stored a waypoint, it may be modif[...]

The waypoint definition page also features an options page that allows you to edit the selected waypoint on the map display , rename the selected waypoint or delete the waypoint from memory . T o display the waypoint definition page options: 1. Press the O key . T o review/edit the selected waypoint from the map display: 1. Highlight the ‘Edit Wp[...]

A. The main menu page featur es four waypoint submenus. B. The near est waypoint list continuously updates to show the nine near est waypoints to your pr esent position. W A YPOINT S W aypoint Submenus & Nearest W aypoints The GPSMAP 175’ s main menu page features four waypoint submenus that let you manage a large number of waypoints quickly [...]

The proximity waypoints list lets you define an alarm circle ar ound a stored waypoint position, and can be used to help you avoid r eefs, rocks or restricted waters. Up to nine waypoints may be listed, with a maximum alar m radius of 99.9 nautical or statute miles or kilometers. If a pr oximity alarm cir cle overlaps with an existing alarm cir cle[...]

A. The waypoints list displays all stor ed waypoints in a two- column format. T emporary waypoints (fr om the T racBack feature) ar e assigned a ‘T___’ name and a footprint symbol. B. The waypoints list options page lets you delete individual waypoints or the entir e waypoint list. W A YPOINT S Create W aypoint and W aypoint List The third wayp[...]

The GPSMAP 175 provides four ways to navigate to a destination: GOTO, MOB, T racBack and route navigation . The most basic method of selecting a destination is the GOTO function, which lets you select a waypoint as your destination and quickly sets a direct course from your present position. The G key can be used in three ways: from a list of waypo[...]

A. The GOTO options page lets you start a T racBack route, select a destination fr om the nearest list, select a r oute to activate, or cancel the curr ent GOTO destination. B. The near est waypoints list pr ovides quick access to nearby anchorages, facilities, etc. which ar e stor ed as waypoints. GO T O/MOB GOTO Options The GOTO options page prov[...]

The GPSMAP 175’ s man overboard (MOB) function lets you simultaneously mark and set a course to a position for quick r esponse to emergency situations. T o activate the MOB function: 1. Press the B key . 2. Press the T key to confirm and begin navigating to the MOB position. Once a MOB has been activated, a MOB icon will appear on the map display[...]

A. The T racBack featur e uses your track log to cr eate a r oute back to where you started. B. Once a T racBack is activated, the track log is divided into segments using temporary waypoints, and an inverted route is activated back to the oldest track log point in memory . GO T O/MOB T racBack Navigation T o activate a T racBack route: 1. Press th[...]

The last way to navigate to a destination is to create a user-defined r oute. The GARMIN GPSMAP 175 lets you create and store up to 20 reversible routes (numbered 1-20), with up to 30 waypoints each. Routes can be created and modified right from the map page, allowing you to see each route graphically on-screen as you create, review , modify or nav[...]

A. T o move a route waypoint, select the ‘Move?’ option and pr ess EDIT/ENTER. B. Move the arr ow cursor to the new waypoint position and pr ess EDIT/ENTER to confirm. ROU TES Reviewing & Editing Routes On Map Once a route has been cr eated on the map (and the Q key has been pressed to finish), the map display will automatically enter the r[...]

The GPSMAP 175’ s route edit mode also allows you to insert a new route waypoint in any route leg using the map cursor . T o insert a new waypoint between two existing route waypoints: 1. Use the cursor to select the leg in which to insert the new waypoint (the route line will change to a dotted line when the leg is selected) and press T . 2. Mov[...]

A. T o remove a r oute waypoint, highlight the waypoint, pr ess EDIT/ENTER, and select the r emove option fr om the pop- up window . B. The r oute edit options page lets you activate, invert or deactivate the r oute you ar e editing. The ‘Center On V essel’ and ‘Center On First Wpt’ options r edraw the map to display the desir ed option. RO[...]

The GPSMAP 175’ s route list page displays all the routes currently stored in memory in numerical order , with the route number and comment displayed. Route 00 is always reserved for the T racBack route, while routes 1- 20 serve as storage routes. (Route 20 is stored as the GPSMAP tour route, which may be deleted at any time.) From the list, you [...]

A. T o delete all waypoints fr om a selected r oute, highlight the ‘Clear Route?’ option and pr ess EDIT/ENTER. B. Once a r oute is clear ed, all waypoints ar e r emoved from the r oute. They are still stor ed in memory , however . ROU TES Route List Options • Clear Route?— allows you to clear all waypoints fr om the selected route. T o cle[...]

Whenever you have activated a r oute in the GPSMAP 175 system, the active route page will appear in the main page sequence. The active r oute page shows each waypoint of the active r oute, with the waypoint name, desired track, cumulative distance and ETE or ET A for each waypoint from your present position. The curr ent destination waypoint, the ?[...]

ROU TES Active Route/Page Options The following options are available from the active route page: • Invert Route?— activates the active route in reverse order and begins navigation. • Activate Route?— reactivates the active route and selects the route leg closest to your current position as the new active leg. • Edit On Map?— allows you[...]

The GPSMAP 175’ s main menu page’ s track submenu lets you specify whether or not to record a track plot (an electronic r ecording of your path) and define how it is recorded. It also pr ovides an indicator of the track memory used and selects functions to clear the track memor y and start a T racBack route. The following functions are availabl[...]

A. T o perfor m point- to-point planning, enter a ‘TO’ and ‘FROM’ waypoint, or leave the field blank if you want to use your pr esent position. B. Enter a date and time for your departur e. The sunrise/sunset and ET A at the ‘TO’ waypoint will be displayed at the bottom of the page. SETUP MENUS T rip & Fuel Planning The GPSMAP 175?[...]

The r oute planning mode lets you calculate the same planning information for any route stor ed in memory , in leg or cumulative leg or route totals. T o use the route planning mode: 1. Highlight the ‘T rip & Fuel Planning’ option from the main menu and press T . 2. If the plan field is not set to ‘Route’, press O and select it from the[...]

A. The system setup submenu pr ovides access to the GPSMAP 175’ s time formats and contrast/backlight contr ols. B. When entering a time offset, be sur e to select a positive or negative indicator to the left of the of fset value. SETUP MENUS Sunrise/Sunset Planning and System Setup The fuel and trip planning submenu also allows you to calculate [...]

• Local/UTC lets you choose to display the date and time in UTC (Greenwich Mean T ime) time or local time offset from UTC time. The default setting is local with a ‘0’ offset. (If you are boating in the United States, be sure to enter a negative time indicator in front of the appropriate time of fset for your location.) • T one Selection le[...]

A. The GPSMAP 175 will also display position coor dinates in eight grid formats. B. T o enter a user magnetic variation, select the ‘User Mag V ar’ option and enter a dir ection and value in the variation field. SETUP MENUS Navigation Setup The navigation setup submenu is used to select a variety of navigation information including: position fo[...]

• CDI Scale provides a list of six CDI scale settings for the map page CDI: +/-0.10, 0.50, 1.0 (default). 5.0, 10.0 and 25.0 miles or kilometers. The scale represents the distance from the center to either end of the scale. • CDI Steer T o allows you select a steer -to-center or steer -to-D-Bar orientation for graphic steering guidance. The ste[...]

A. The timer field can be set to count down fr om a specified interval or pr ovide a running count of elapsed time. B. The ‘On’ setting of the arrival alarm will cause the alarm to sound only for the final destination waypoint of a r oute at the distance specified. SETUP MENUS Timers & Alarms The timer & alarms submenu is used to contr [...]

The Input/Output submenu lets you control interface settings for connecting external NMEA devices, a DGPS receiver or a personal computer . The ‘Input/Output Format’ field, at the top of the page, lets you specify one of seven interface options: Data T ransfer is a proprietary interface that allows you to exchange data such as waypoints, routes[...]

A. Select the desir ed format from the NMEA field. The baud rate will automatically be set to the appr opriate speed. B. After entering a DGPS fr equency , set the bit rate to the speed indicated on the USCG station chart. DGPS coverage, fr equencies, and bit rates ar e available from the Coast Guar d. SETUP MENUS NMEA & DGPS Setup If you are u[...]

The GARMIN GPSMAP 175 system uses G-chart offshore or inland cartography to display digital charts on-screen. G-chart cartridges are inserted in the card slot located on the right side of the unit, and may be installed or removed at any time, whether the unit is on or off. T o install a G-chart cartridge: 1. Open the cartridge door . 2. Insert the [...]

A. Map outlines for G-chart offshor e cartography . B. Map outlines for G-chart inland cartography . G-CHAR T S Using G-char t Car tography Once a G-chart cartridge has been inserted, the map coverage outlines for the cartridge will automatically appear on-screen. Keep in mind that the display will not automatically scroll to the map area or zoom t[...]

Y our unit uses 6 AA batteries that provide up to 10 hours of batter y life. An optional rechargeable Ni-Cad battery pack and charger are also available. In addition, the GPSMAP 175 may be hard-wired to 5-40 volt DC power using the power/data cable or cigarette lighter adapter . T o remove and install a battery pack: 1. Push down on the spring tab [...]

APPENDIX Installation The GPSMAP 175 displays battery strength in two ways: The first is a battery gauge located below the DOP measurement on the status page. The second is a battery icon located on the status bar. Both methods display continuous battery level updates and are shown only when the unit is being powered by battery power (not exter nal[...]

Ni-Cad Battery Pack and Char ger An optional Ni-Cad battery pack and charger are available to power your GPSMAP 175. Each battery pack contains nickel-cadmium (Ni-Cad) batteries, which store a charge powerful enough to be dangerous if misused or abused, especially when removed from the unit. T o recharge the Ni-Cad battery pack: 1. Attach the conne[...]

For maximum battery performance, be sure to drain your Ni-Cad pack as completely as possible before recharging in or der to ensure longer life. If your battery pack seems to have no capacity even after being charged, completely discharge it by leaving the power on overnight. Then fully charge the battery pack again. If the battery pack still does n[...]

The following formats are supported for connection to up to 3 NMEA devices: • NMEA 0180/NMEA 0182 • NMEA 0183 version 1.5 Approved sentences — GPBWC, GPGLL, GPRMB, GPRMC, GPXTE, GPVTG, GPWPL, GPBOD Proprietary sentences — PGRMM, PGRMZ (alt.), PSLIB (beacon receiver control input) • NMEA 0183 version 2.0 Approved sentences — GPGGA, GPGSA[...]

APPENDIX Wiring and Specifications Using the Mounting Bracket The GPSMAP 175 can be used as either a handheld or fixed-mount receiver . An optional mounting bracket (part no. 010-00120-00) is available for swivel-mount installation on a pedestal or sur face-mount installation on a vertical surface (i.e., boat bulkhead). T o swivel mount the GPSMAP [...]

T o fasten the unit into the mounting bracket: 1. Make sure the two pieces of the bracket are pushing together , and that the locking bolt on the right side of the bracket is tightened. 2. Slide the unit into the bracket, right side first, so that the two slots on the right side of the unit match up with the tabs on the right half of the bracket. T[...]

APPENDIX Messages Alarm Clock— The alarm clock has sounded. Anchor Drag Alarm— Y ou have drifted out of the specified distance range. Approaching— Y ou are less than one minute away from reaching a destination waypoint at your present speed over ground. Arrival At— Y ou have arrived at the destination waypoint. Can’t Change An Active W ay[...]

Proximity Alarm— Y ou have entered the alarm radius for the pr oximity waypoint indicated. Proximity List Full— Y ou have used all nine proximity waypoints. Proximity Overlaps Another Pr ox Wypt— The alarm radius specified overlaps the area specified for another proximity waypoint. (See page 47 for more information on proximity overlaps.) RAM[...]

APPENDIX Definitions D Almanac Data —The satellite constellation information (including location and health of satellites) that is transmitted to your receiver fr om ever y GPS satellite. Almanac data must be acquired before GPS navigation can begin. Bearing (BRG) —The compass direction from your position to a destination. Course Over Ground (C[...]

APPENDIX Definitions & Time Offsets E The chart below gives an approximate UTC time of fset for the various longitudinal zones. Check with local charts for more detailed information. If you are in daylight savings time, add one hour to the offset. Longitudinal Zone Offset W180.0º to W172.5º -12 W172.5º to W157.5º -11 W157.5º to W142.5º -1[...]

APPENDIX Map Datums Adindan Adindan- Ethiopia, Mali, Senegal, Sudan Afgooye Afgooye- Somalia AIN EL ABD ‘70 AIN EL ANBD 1970- Bahrain Island, Saudi Arabia Anna 1 Ast ‘65 Anna 1 Astro ‘65- Cocos I. ARC 1750 ARC 1750- Botswana, Lesotho, Malawi, Swaziland, Zaire, Zambia, Zimbabwe ARC 1960 Kenya, T anzania Ascnsn Isld ‘58 Ascension Island ‘58[...]

Astr Stn ‘52 Astronomic Stn ‘52- Mar cus Island Astrln Geod ‘66 Australian Geod ‘66- Australia, T asmania Island Astrln Geod ‘84 Australian Geod ‘84- Australia, T asmania Island Austria Austria Bellevue (IGN) Efate and Err omango Islands Bermuda 1757 Bermuda 1757- Bermuda Islands BogataObserv Bogata Obsr vatry- Colombia Campo Inchspe Ca[...]

APPENDIX Map Datums Hong Kong ‘63 Hong Kong Hu-Tzu-Shan T aiwan Indian Bngldsh Indian- Bangladesh, India, Nepal Indian Thailand Indian- Thailand, Vietnam Indonesia ‘74 Indonesia ‘74 Ireland 1965 Ireland 1965- Ireland ISTS 073 Astr o ISTS 073 ASTRO ‘69- Diego Garcia Johnston Island Johnston Island Kandawala, Kandawala- Sri Lanka Kandawala Sr[...]

NAD27 Central North American 1927- Central America (Belize, Costa Rica, El Salvador , Guatemala, Honduras, Nicaragua) NAD27 CONUS North Am. 1927- Mean V alue (CONUS) NAD27 Cuba North American 1927- Cuba NAD27 Greenland North American 1927- Greenland (Hayes Peninsula) NAD27 Mexico N. American 1927- Mexico NAD27 San Salvadr North American 1927- San S[...]

APPENDIX Map Datums Qornoq Qor noq- South Greenland Reunion Reunion- Mascarene Island Rome 1940 Rome 1940- Sardinia Isl. RT 9 0 Sweden Santo (Dos) Santo (Dos)- Espirito Santo Sao Braz Sao Braz- Sao Miguel, Santa Maria Islands Sapper Hill ‘43 Sapper Hill 1943- East Falkland Island Schwarzeck Schwarzeck- Namibia South American ‘69 S. American ‘[...]

A Alarm Setup 68 Anchor Drag Alarm 68 Antenna Installation 71 Appendices 73-81 Arrival Alarm 68 AutoLocate 7-8,24 B Backlight Level 9 Batteries 73-75 Beacon Receiver Setup 70 Bearing 82 Bearing/Distance Calculation 32 Boat Icon 13 Built-in Map Coverage 8,83 C Calibrations, Map 34 Cancelling Active GOTOs 50 Capabilities i Cautions ii Clock Alarm 68 [...]

APPENDIX Index K Keypad T one 65 Keypad Usage 4 L Local Time Of fset 65 M Magnetic V ariation 66 Main Menu 39 Man Overboard Function 51 Map Calibration 34 Map Configuration 33-34 Map Datum List 84-88 Map Datum Selection 67 Map Page 28-35 Map Scales 31 Marking a Position 12,40-41 Maximizing Map 32 Measuring Bearing & Distance 32 Menu Selection 2[...]

S Satellite Acquisition 5,23-24 Satellite Sky View 23 Signal Strength Bars 8,23 Simulator Mode 10 Simulator T our 10-22 Specifications 79 Status Bar 24 Status Page 23-25 Steering Guidance 19,36-37 Sunrise/Sunset Calculation 64 Swivel Mount 78 T T able of Contents 1 T ime Offsets 64,83 T imer/Alarm Setup 68 T one Selection 65 T racBack Function 51-5[...]

NO TES 175 Manual 7/31/98 3:58 PM Page 92[...]

NO TES 175 Manual 7/31/98 3:58 PM Page 93[...]

NO TES 175 Manual 7/31/98 3:58 PM Page 94[...]

LIMITED W ARR ANTY GARMIN warrants this product to be free from defects in materials and workmanship for one year from the date of purchase. GARMIN International, Inc. will at its sole option, repair or replace any components which fail in normal use. Such repairs or replacement will be made at no charge to the customer for parts or labor . The cus[...]

© 1996 GARMIN Corporation 1200 E. 151st Street Olathe, Kansas 66062 913/397.8200 F AX 913/397.8282 GARMIN (Europe) L TD Unit 5, The Quadrangle Abbey Park Industrial Estate, Romsey U.K. SO51 9AQ 44/1794.519944 F AX 44/1794.519222 Part Number 190-00096-00 Rev . A ® 175 Manual 7/31/98 3:58 PM Page 96[...]