GPSMAP 182/182C/232

chartplotting receivers
owners manual and reference guide
(GPSMAP 232 and 182C shown)

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2003 Garmin Ltd. or its subsidiaries

Introduction Foreword

Garmin International, Inc., 1200 East 151st Street, Olathe, KS 66062, U.S.A. Tel. 913/397.8200 or 800/800.1020 Fax 913/397.8282 Garmin (Europe) Ltd., Unit 5, The Quadrangle, Abbey Park Industrial Estate, Romsey SO51 9DL, U.K. Tel. 44/1794.519944 Fax 44/1794.519222 Garmin Corporation, No. 68, Jangshu 2nd Road, Shijr, Taipei County, Taiwan Tel. 886/2.2642.9199 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 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 for personal use, provided that such electronic or printed copy of this manual or revision must contain the complete text of this copyright notice and provided further that any unauthorized commercial distribution of this manual is strictly prohibited. Information in this manual 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. Visit the Garmin web site (www.garmin.com) for current updates and supplemental information concerning the use and operation of this and other Garmin products.
GARMIN, Autolocate, GPSMAP, TracBack, DCG, See-Thru, MapSource, and BlueChart are registered trademarks of Garmin Ltd. or its subsidiaries and may not be used without the express permission of Garmin.

June 2003

Part Number 190-00215-10 Rev. A

Printed in Taiwan i

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Preface
Introduction Preface/Registration/ Software License Agreement
Congratulations on choosing one of the most advanced marine navigation systems available! The Garmin GPSMAP 182/182C/232 models utilize the proven performance of Garmin GPS and full featured mapping to create unsurpassed marine navigation chartplotters. This manual covers instructions for the GPSMAP 182, GPSMAP 182C (color), and GPSMAP 232. Unit operation and specications will be the same on all three models unless otherwise specied. 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 182/182C/232 and provides a Getting Started tour so that you may become more familiar with the unit. This section will provide you with a basic working knowledge necessary to use the unit to its fullest potential. Part Two is divided into sections that provide detailed references to the advanced features and operations of the GPSMAP 182/182C/232. This allows you to concentrate on a specic topic quickly and look up detailed information about the GPSMAP 182/182C/232.

Software License Agreement
Customer Service Product Registration
Help us better support you by completing our on-line registration today!
Have the serial number of your GPSMAP 182/ 182C/232 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.
BY USING THE GPSMAP 182/182C/232, YOU AGREE TO BE BOUND BY THE TERMS AND CONDITIONS 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.
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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 182/182C/232 is a precision electronic NAVigation AID (NAVAID), any NAVAID can be misused or misinterpreted and, therefore, become unsafe. The electronic chart is an aid to navigation and is designed to facilitate the use of authorized government charts, not replace them. Only ofcial government charts and notices to mariners contain all information needed for safe navigation and, as always, the user is responsible for their prudent use. Use the GPSMAP 182/182C/232 at your own risk. To reduce the risk of unsafe operation, carefully review and understand all aspects of this Owners Manualand thoroughly practice operation using the simulator mode prior to actual use. When in actual use, carefully compare indications from the GPSMAP 182/182C/232 to all available navigation sources, including the information from other NAVAIDs, visual sightings, charts, etc. For safety, always resolve any discrepancies before continuing navigation. FCC Compliance The GPSMAP 182/182C/232 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 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 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 or more of the following measures: Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. The GPSMAP 182/182C/232 does not contain any user-serviceable parts. Repairs should only be made by an authorized Garmin service center. Unauthorized repairs or modications could result in permanent damage to the equipment, and void your warranty and your authority to operate this device under Part 15 regulations.

1. Press the MENU key twice.
The Main Menu page lists 18 menu tabs that are divided into categories by function. You can view a particular menu by simply highlighting the desired tab, which will then show any secondary submenu tabs and options for that tab.
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To get a basic feel for how the Main Menu page works, lets delete the two waypoints you created during the simulated tour. This will ensure 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 will 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 will see the User 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/MARK and then highlight Delete from the Waypoint Edit page. 5. Press ENTER/MARK to delete the waypoint, then ENTER/MARK again to conrm. Repeat the above steps to delete the Dock waypoint also.
Getting Started Deleting Waypoints/ Powering Off Unit
Congratulations! Youve now gone through the basic operation of the Garmin GPSMAP 182/ 182C/232. 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 specic 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 (19000241-03) for sonar operations. The unit is still in Simulator mode for practice, but will automatically return to its Normal operation mode when you shut it off and turn it back on.
To turn the GPSMAP 182/182C/232 off:
1. Press and hold the POWER key for about 2 seconds, until the screen is blank. 2. When the screen is blank, release the POWER key.

Submenu Tabs

Main Menu
The next section of the manual describes the pages and functions of the GPSMAP 182/182C/232 in detail. If you are unable to locate a specic option or function, please refer to the index on pages 90-92. Thank you for choosing the Garmin GPSMAP 182/182C/232 navigation unit. We hope it will be a useful and fun tool for you wherever you go!

1. Press the OUT key to zoom out and the IN key to zoom in.
The scale value represents the distance from one end of the scale bar to the other.

Using Built-In Basemap

Using BlueChart/MapSource Data
Overzoom, no additional data
The GPSMAP 182/182C/232s 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 182/182C/232 will display cartography as long as there is chart information available for the range youve selected. Map coverage will conform to the following conditions: When the selected zoom range is covered by either the internal database, BlueChart, or MapSource data, cartography will be displayed. When the selected zoom range is covered by both the internal database and BlueChart/MapSource data, cartography will be displayed using the data with the best resolution. When the selected zoom range exceeds the resolution of the data in use, overzoom cartography will be displayed and an overzoom warning will appear below the scale eld.
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Map Page Options
Reference Map Page Options
Many features of the GPSMAP 182/182C/232 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 specically 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 eld may be congured to display any one of several data options. The data window layout may also be changed to display additional data elds and change the actual size of the data displayed. The GPSMAP 182/182C/232s 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/MARK.
The available options are Full Screen Map/Show Data, Change Numbers, Measure Distance, Show Sonar (If equipped with GSD 20. See the GSD 20 Sounder Module with Garmin Chartplotters (19000241-03) for details on this feature.). Set Up Map 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 elds on the map display. To maximize the map/show data elds:
1. Highlight the Full Screen Map option and press ENTER/MARK. The Map Page will now be maximized with no data elds. 2. To show the data elds again, press MENU, highlight Show Data and press ENTER/MARK.
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Change Numbers allows you to specify the type of data displayed in each data eld used on the map display. This option is available from any of the main pages. To change a data eld:

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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 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 deselected 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/MARK. 2. Use the ARROW KEYPAD to scroll through the list of maps. 3. To select/deselect a map, highlight the check box to the left of the name of the desired map. Press ENTER/MARK to select/deselect the map. The map is selected and will be displayed on the Map Page when an appears in the box adjacent to that map. You may also press MENU and choose to Show All or Show None and press ENTER/MARK. 4. To display detailed information and notes for each area, highlight the desired name and press ENTER/MARK. To view the notes for that area, choose Show Notes. To scroll through the notes, you may either highlight the notes, press ENTER/MARK and use the ARROW KEYPAD to scroll UP, DOWN, LEFT and RIGHT or press MENU and choose the desired scroll option.

Source Tab

Waypoints Tab Waypoints/Active Route Text None, Small, Medium, and Large: controls the screen size of the name. Zoom Auto, Off, 120 ft.-800 mi.: sets the maximum scale at which the feature should appear on the screen. Some types of data will only show 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, 120 ft.-800 mi.: sets the maximum scale at which the feature should appear on the screen. Some types of data will only show 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.
Data Card Maps Map Information Page

Waypoints Tab

Points Tab
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Navaids Tab

Nav Line Tab

Track Tab

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. Text Size Small, Medium, and Large: controls the screen size of the 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. Monochrome units draw white and yellow sectors as white, and draw blue, red & green sectors as dark gray. Off No light sectors are ever drawn. Auto Light sectors appear when you point 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, 120 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, 120 ft.-800 mi.: sets the maximum scale at which the feature should appear on the screen. Some types of data will only show up to certain zoom scales. Other Tab Accuracy Circle On/Off: toggles the circle On and Off. The circle represents the approximate accuracy of the unit based on EPE, DOP, and basemap quality. You position will be within the circle. Lat/Lon Grid Text None, Small, Medium, and Large: controls the screen size of the name. Zoom Auto, Off, 120 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 Editing Waypoints
Reviewing and Editing Waypoints
Once you have created and stored a waypoint, it may be modied, reviewed, renamed, moved or deleted at any time through the Waypoint Edit page. The Waypoint Edit page is available for any stored waypoint by highlighting the desired waypoint from the map display or selecting it from the waypoint lists under the Points tab in the Main Menu and pressing the ENTER/MARK key once. To access the Waypoint Edit page:
1. Use the ARROW KEYPAD to highlight the desired waypoint on the map display. You may also press MENU twice, highlight the Points tab, and then highlight a waypoint from the User, or Proximity waypoint lists.

Waypoint List

2. Press ENTER/MARK to display the Waypoint Edit page.
From the Waypoint Edit page, you may change the name, symbol, comment, position coordinates, or depth for the selected waypoint. Once the changes have been made, highlight Next and press ENTER/MARK to save them or press QUIT. To change the waypoint name:
1. Highlight the waypoint name eld and press ENTER/MARK.
Symbol Name Comment Coordinates Depth
2. Use the ARROW KEYPAD to enter a new name and press ENTER/MARK when done.
To change the waypoint symbol:
1. Highlight the waypoint symbol eld to the left of the waypoint name and press ENTER/MARK. 2. Use the ARROW KEYPAD to select the desired symbol and press ENTER/MARK when done.
To change the Comment/Position Coordinates/Depth:
1. Highlight the desired eld and press ENTER/MARK. 2. Use the ARROW KEYPAD to edit/enter the data. To drop to the next line, press to the right on the ARROW KEYPAD.

Waypoint Edit Page

3. Press ENTER/MARK when done.
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To move the waypoint on the map:
1. From the Waypoint Edit page, highlight Show Map and press ENTER/MARK. Highlight the waypoint and press ENTER/MARK. A MOVE label will now appear under the cursor arrow in addition to a distance, bearing, and coordinate window. You may also use the IN and OUT keys to zoom the map. The map scale will appear in the lower right corner. 2. Use the ARROW KEYPAD to point to the new position and press ENTER/MARK. If you wish to stop the move process, press QUIT.

To delete waypoints by symbol:

Point List Status

1. From the User tab, highlight the waypoint to be deleted and press the MENU key, then select Delete By Symbol and press ENTER/MARK. 2. Use the ARROW KEYPAD to highlight the symbol of the waypoint(s) to be deleted and press ENTER/MARK. 3. Press ENTER/MARK to conrm. You may also choose Cancel or press QUIT to stop the deletion.
To delete all waypoints or the entire waypoint list:
1. Press the MENU key to select the options window.
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2. Use the ARROW KEYPAD to highlight Delete All and then press ENTER/MARK. 3. Highlight the OK prompt and press ENTER/MARK to conrm.
Reference Proximity Waypoint List

Proximity Waypoint List

The second waypoint submenu list available from the Points tab is the Proximity list, which lets you dene 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, a Proximity Overlaps Another Proximity Waypoint message will appear. Since the unit will only alert for one of the overlap points, use caution when navigating in these areas. If you enter an alarm circle overlap, you will only be alerted to the closest proximity waypoint. To add a proximity waypoint:
1. Use the ARROW KEYPAD to highlight an empty space on the Proximity list and press ENTER/MARK. The Find screen appears. Highlight Waypoints and press ENTER/MARK. 2. To select a waypoint from the lists, use the ARROW KEYPAD to highlight the desired waypoint from the User or Nearest tab lists. To select a waypoint from the map, highlight either the User or Nearest tab and press MENU. With Select From Map highlighted, press ENTER/MARK. Use the zoom IN and OUT buttons and the ARROW KEYPAD to highlight a waypoint. 3. Press ENTER/MARK to conrm. The distance eld will now be highlighted. 4. Press ENTER/MARK to begin entry of the proximity radius. 5. Use the ARROW KEYPAD to enter a distance value (to 99.99 units) and press ENTER/MARK.

Choose the category you want to add a route point from.
Choose a waypoint from either the By Name or Nearest tab list.
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Route List Page
Reference Route List Page
The GPSMAP 182/182C/232 Route List page displays all the routes currently stored in memory, along with a descriptive name for each route. Once a route has been created, it can be activated and used for navigation with the NAV key. A route may be followed in the same sequence as it was originally created, or you can invert the route and navigate from the end waypoint back to the beginning waypoint. From the Route list menu, you may choose New Route (pg 41), Copy Route, Delete Route, or Delete All. To activate a route with the NAV key:
1. From any page, press the NAV key, then using the ARROW KEYPAD, highlight Follow Route and press ENTER/MARK. (If you highlight a route from the Route List or Route Review page and press NAV, the window will automatically display, Follow <the route name>.) 2. Highlight the route you wish to navigate and press ENTER/MARK. 3. Choose Activate or Invert and Activate and press ENTER/MARK. (Activate will use the route as is, Invert and Activate will reverse the route then activate it.)
If you highlight a route name from the Route List and press NAV, the name will automatically appear.
To deactivate (stop navigation) of a route:
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 Copy Route or Delete Route and press ENTER/MARK and with OK highlighted, press ENTER/MARK again to conrm a deletion. Copy will use the same route name with an additional number, starting at 1, at the end of the route name.

Route List Menu

To delete all routes:
1. From the Route List, press MENU. 2. Highlight Delete All and press ENTER/MARK and with OK highlighted, press ENTER/MARK again to conrm the deletion.
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Reference Route Review Page

Route Name Data Fields

Route Review Page
Once you have created a route, the Route Review page allows you to review and modify the route displayed. To get to the Route Review page:

1. From either the Route Review or Active Route pages, use the ARROW KEYPAD to highlight the point you wish to insert the new point before (To add a point to the end, highlight the blank eld at the bottom of the list) and press MENU. 2. Highlight Add Before and press ENTER/MARK. 3. From the Find menu, highlight Waypoints and press ENTER/MARK. (You may also choose from other points, such as Cities, Tide Stations, etc. from this list.) From either the User or Nearest From Current Location tab lists, choose the waypoint you want and press ENTER/MARK twice. (See page 35 for searching for waypoints by name.)
Drag the route leg to an existing waypoint (shown), map item, or a blank spot on the map to create a new route point.
To select a waypoint from the map, highlight the User or Nearest tab and press MENU. With Select From Map highlighted, press ENTER/MARK. Use the zoom IN and OUT buttons and the ARROW KEYPAD to highlight a waypoint on the map and press ENTER/MARK.
Remove Allows you to 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. 2. Highlight Remove and press ENTER/MARK.
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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. To select the desired planning gure, highlight the desired route from the Route List and press ENTER/MARK to display the Route Review page. 2. One of nine available planning gures appears to the right of each route waypoint and its distance. Use the LEFT/RIGHT keys on the ARROW KEYPAD to select the desired item. 3. To enter planning information, from the Route Review Page only, press MENU and select Trip Planning from the options list. Enter the gures for Speed, Fuel Flow, Departure Time, and Departure Date. Press QUIT to return to the Route Plan Page.
Press LEFT or RIGHT on the ARROW KEYPAD to change the data eld.
Fuel ow 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 ow measure. You should enter fuel ow rates based upon available information for your vehicle (operators manual, performance specications, etc.) and make note of the desired units of measure (gallons, liters, etc.).
Delete Route deletes a route from the Route List. Waypoints and map items will not be deleted from unit memory. To delete a route:

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, the user 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, or Delete All.
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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/MARK. 2. Or, with the Directory Tab highlighted press the Arrow Keypad DOWN, highlight an empty eld and press ENTER/MARK to access the New Directory Item window.
The New Directory Item window allows the user to input information of a known contact. To add the MMSI number, Name, or Comment:
1. Press UP/DOWN on the Arrow Keypad to highlight the MMSI, Name, or Comment eld.

Adding a Directory Entry

2. Press ENTER/MARK to highlight the rst digit on that eld. 3. Press UP/DOWN on the Arrow Keypad to enter the numbers/letters. 4. Press LEFT/RIGHT on the Arrow Keypad to move to the next position. 5. Press ENTER/MARK to accept the entry. 6. Press UP/DOWN on the Arrow Keypad, highlight the Delete button and press ENTER/MARK to delete the entry, or highlight the OK button and press ENTER/MARK to accept the entry.
DSC Setup Simulate. options only appear while in Simulator mode.
After creating a New Directory Item entry, the name created is attached to that particular MMSI number. If the user returns 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 Position Report pages. The Name eld 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 benecial for users who have more than one GPS chartplotter. If the user wants only DSC to display on a particular chartplotter, turn DSC off on the remaining Garmin chartplotters that support DSC. A user also has the ability to simulate a Distress Call or a Position Report on this page. This is help-
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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/MARK.

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 will void the antenna warranty. If the BNC connector is removed it must be replaced with a new solder-on or crimp BNC connector.
1. Screw the antenna directly onto the 1 x 14-thread mount. 2. Route the cable to the mounting location of the display unit. Use the appropriate tie-wraps, fasteners and sealant to secure the cable along the route and through any bulkhead or deck. 3. Once the GPSMAP 182/182C/232 unit has been installed, connect the cable to the antenna connector 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.
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Mounting the GPSMAP 182/182C/232 Unit
Appendix H Unit Installation
The GPSMAP 182/182C/232s compact, waterproof case is suitable for mounting in exposed locations or at the nav station. The unit comes with a gimbal bracket that can be used for surface or overhead 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 182/182C/232 units with the built-in internal bail mount 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 will be blocked by the boats superstructure, a radar arch, or mast.
The temperature range for the GPSMAP 182/182C/232 is 5F to 158F (-15C to 70C). Extended exposure to temperatures exceeding this range (in storage or operating conditions) may cause failure of the LCD screen. This type of failure and related consequences are NOT covered by the manufacturers limited warranty.
To install the GPSMAP 182/182C/232 unit:
1. Place the mounting bracket in the desired location. 2. Mark and drill the four mounting holes for the fastener you are using. 3. Fasten the bracket to the surface using the appropriate fastener. 4. Insert the GPSMAP 182/182C/232 into the mounting bracket. The bracket is designed for a tight t to provide additional support when swiveling the unit. 5. Screw the two mounting knobs through the bracket and into the display case. 6. Connect the power/data and antenna cables (external antenna only) to the back of the unit, making sure the locking rings are fully tightened on both connectors.

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The GPSMAP 182/182C/232 with external antenna can be ush mounted on a at panel of.08.52 thickness using the cam lobe feature on its gimbal mounting bracket. When ush mounting the GPSMAP 182/182C/232, be sure to choose an appropriately sized location for the unit (see unit dimensions pg. 83) and leave 1.25 (32mm) clearance below the data card slot for inserting/removing data cards. For ush mounting the GPSMAP 232 unit, skip to the next set of instructions.
To ush mount the GPSMAP 182/182C unit using the gimbal mounting bracket:
1. Cut a 4.33W x 4.33H (110 x 110 mm) hole in the panel. 2. Place the GPSMAP 182/182C/232 into the hole from the front until the ange rests against the mounting surface. 3. From the back of the panel, loosely attach the bracket such that the slot in the ratchet area points away from the mounting panel (gure 1). 4. Rotate the bracket downward until the panel is pinched tightly between the units ange and bracket lobe (gure 1). 5. Tighten the knobs and connect the power/data and antenna cables. Note: if the panel is too thick to allow use of the supplied knobs, two M6 screws may be used to secure the bracket.
Figure 1 Pull gimbal bracket down until cam lobe contacts surface.
The GPSMAP 182/182C/232, with external antenna, may also be ush mounted on a at panel using its existing mounting bracket.

Figure 2

To ush mount the GPSMAP 182/182C/232 unit:
1. Remove the four M5 screws from the back of the unit and remove the mounting bracket. 2. Using the mounting bracket as a template, outline the center relief area and mark the location of the four screw holes centers on your bulkhead or other surface (gure 2). 3. Cut the relief hole from the panel and drill the four 0.20 (5.08 mm) screw holes. 4. Place the GPSMAP 182/182C/232 into the relief hole until it rests ush against the mounting surface. 5. Secure the unit to the mounting surface using the M5 screws. Do not try to force the screws deeper into the holes than the holes will allow. For thick mounting surfaces, insert the M5 screws directly thru the drilled holes (gure 3). For thin panels, place the mounting bracket on the back side of the panel for more support. Connect the power/data and antenna cables.

Figure 3

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Connecting the Power/Data
The power/data cable connects the GPSMAP 182/182C/232 to a DC system and provides interface capabilities for connecting external devices. The color code in the diagram below indicates the appropriate harness connections. Replacement fuse is a AGC/3AG 1.5 Amp fuse. For wiring the GPSMAP to a GSD 20 Sonar Module, refer to the GSD 20 Installation Guide(190-00255-00).

Zooming.9, 15, 18, 20, 28 Zoom In Key..1 Zoom Out Key..1

Units Setting...63

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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
2003 Garmin Ltd. or its subsidiaries Garmin International, Inc. 1200 East 151st 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 2nd Road, Shijr, Taipei County, Taiwan www.garmin.com Part Number 190-00215-10 Rev. A

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