Manuel d'utilisation / d'entretien du produit 125 du fabricant Garmin
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GPS 1 2 5 Sounder Marine Navigator ZOOM Owner’s Manual & Reference 125 Man Rev B 7/23/98 11:47 AM Page i.
Software V ersion 2.0 or above © 1997 GARMIN Corporation 1200 E. 151st Street, Olathe, KS USA 66062 T el: 913-397-8200 or 800-800-1020 Fax: 913-397-8282 W eb Site Address: www .garmin.com GARMIN (Europe) Ltd. Unit 5, The Quadrangle, Abbey Park, Romsey , SO51 9AQ, U.
i INTRODUCTION Over view GPS 125 SOUNDER Operator’s Manual W elcome to the easiest-to-use combination GPS/Depth Sounder on the water! The GPS 125 Sounder represents GARMIN’ s continuing commitment.
Caution INTRODUCTION ii The GPS system is operated by the government of the United States, 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.
1 INTRODUCTION T able of Contents SECTION ONE Introduction Glossary/Navigation Basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-4 SECTION TWO Getting Started T urning On and Initializing the Receiver . . . . . . . . . . . . . . .
Glossar y INTRODUCTION 2 The GPS 125 Sounder is a powerful navigation tool that can guide you any- where in the world. T o better understand its operation and capabilities, it may be helpful to review the basic terms and concepts briefly explained below .
3 INTRODUCTION Glossar y Latitude The north/south measurement of position perpendicular to the earth’ s polar axis. Longitude An east/west measurement of position in relation to the Prime Meridian, an imagi- nary circle that passes thr ough the north and south poles.
Navigation Basics INTRODUCTION 4 NORTH “ACTIVE FROM” WAYPOINT NORTH DTK CROSSTRACK ERROR BRG TRK GROUND SPEED DISTANCE “ACTIVE TO” WAYPOINT “ACTIVE LEG” The GPS 125 Sounder provides steering guidance and navigation information using degrees, a measurement mea- sured in a clockwise direction fr om a north reference.
Getting Started with Y our GPS W elcome to the exciting world of GARMIN GPS! The GPS 125 Sounder represents GARMIN’ s continuing commitment to provide marine users with quality navi- gation information in a versatile, user -friendly design they will enjoy for years to come.
Initializing the Receiver The receiver is shipped fr om the factory in AutoLocate ™ mode, which enables the GPS 125 Sounder to determine its location anywhere in the world. T o speed up the initialization process, we recom- mend using EZ init described below , which will usually provide a fix in a few minutes.
2. Use the D key to scroll through the list options until the country of your present position appears. 3. Use U to highlight the country/state/region you’re in. If the country you’re in is not listed, select another country within 500 miles of your present position.
Sounder Page Primary Pages The GPS 125 Sounder uses six primary “pages” to give you information. The pages are arranged in a con- tinual loop and can be easily viewed in forward or reverse or der by pressing either the J or Q key . Before we start the tour , let’ s briefly look at these pages.
Map Page The Map Page acts as a window that allows you to view your position, the “path” you have traveled over , and nearby waypoints. A diamond icon in the center of the screen repr esents your present position. As you move, you will see a thin line, called a track log, appear along the path you have just covered.
Getting Started T our Now that your GPS receiver has been initialized and you are familiar with the primary pages, it’ s time to take a tour . This is a live tour and is to be conducted with your unit installed and with the boat in the water .
4. Press the R key once to move the character highlight to the next character space. 5. Repeat steps 3 and 4 until the word ‘DOCK’ is shown. 6. Press F to complete entry of the name. 7. Press the D key twice to return the field highlight to the ‘SA VE?’ field.
Using the Position and Map Pages (continued) Now let’ s change the display to the Map Page and watch the track log of our tour: 1. Press J to change from the Position Page to the Map Page. Y our current position is shown as the diamond in the middle of the screen.
Using the Highway Page The GPS 125 Sounder’ s Highway Page provides graphic steering guidance to a destination, with an emphasis on a straight-line course to the desired way- point and the distance and direction you are of f course.
Using the Highway Page (continued) While navigating, you may use the Compass Page (see picture below left) instead of the Highway Page. T o select the Compass Page: 1. While viewing the Highway Page press F twice. The Compass Page will now become the displayed navigation page.
Using the Sounder Page (continued) The area of str ongest sonar return ( whiteline ) is displayed as light and dark checkering. T ypically , the bottom will be the primary source of the whiteline. A thin whiteline indicates a softer bottom while a thicker whiteline shows a harder bottom.
The zoom function is accessed by using the IN and OUT key when viewing the Sounder Page. Once activated, the zoomed picture becomes the Sounder Page display . Note: The zoom function can only be deactivated by pressing the OUT key until the original zoom scale appears.
Moving the Zoom Window (continued) T o save a zoom window range in Manual: 1. Press the R keypad up to view a shallower range or down to view a deeper range. The range scale on the left side of the zoomed picture will be highlighted. 2. When the window reaches the desired range, press F to accept.
Satellite Page The Satellite Page displays the status of various receiver functions. The status information will help you understand what the GPS 125 Sounder is doing at any given time, and tell you whether or not the receiver has calculated a position fix.
Receiver Status and EPE Receiver status is indicated at the top left of the screen, with the current horizontal accuracy (estimated position error , in feet or meters) at the top right. The status will show one of the following conditions: Searching— the GPS 125 Sounder is looking for any available satellites in view .
Screen Backlighting The GPS 125 Sounder features three levels of back- lighting. Activate the backlight by pressing the POWER key briefly . Each press of the button advances the back- lighting to the next level and then turns it off. Backlighting will remain on until turned off.
Marking and Saving W aypoints Knowing your present position is only part of any navigation equation. Y ou also need to keep track of where you’ve been and where you ar e going. W aypoints ser ve as electronic markers that let you keep track of starting points, destinations, navaids and any other important position.
W aypoint Submenus The GPS 125 Sounder has three waypoint submenu pages that let you manage a large number of waypoints quickly and efficiently . The nearest waypoints, waypoint list and waypoint definition pages are accessed thr ough the Menu Page. T o select a waypoint submenu page: 1.
W aypoint List Page The waypoint list page provides you with a com- plete list of all waypoints currently stored in the GPS 125 Sounder . The total number of used and empty waypoints is indicated above the waypoint list.
W aypoint Definition Page The last of the three waypoint management pages is the waypoint definition page. This page lets you create new waypoints manually , or review and edit existing waypoints. T o create a new waypoint manually , you’ll need to know its position coordinates or its distance and bear- ing from an existing waypoint.
The GPS 125 Sounder’ s advanced waypoint and planning featur es allow you to cr eate new waypoints and practice navigation without ever leaving the slip. If you cr eate a new way- point by entering coordi- nates from a map, you may want to r e-mark the way- point’ s exact position once you get ther e.
Editing Existing W aypoints The waypoint definition page also allows you to change the name, coordinates, comment or r eference waypoint field for a stored waypoint. (Fields shown on pg. 24.) T o edit the name, coordinates, comment, or refer- ence waypoint field: 1.
T o rename a stored waypoint: 1. Highlight the ‘RENAME?’ field and press F . 2. Enter the new waypoint name and press F . 3. Press the F key to confirm your changes. T o delete a stored waypoint: 1. Highlight the ‘DELETE?’ field and press F . 2.
Selecting a GOTO Destination The GPS 125 Sounder provides four ways to navi- gate to a destination: GOTO, MOB, T racBack and route navigation. The most basic method of selecting a desti- nation is the GOTO function, which lets you choose any stored waypoint as the destination and quickly sets a direct course fr om your present position.
T racBack Navigation The third method of navigating to a destination is by using the GPS 125 Sounder’ s T racBack feature. The T racBack function allows you to quickly and easily retrace your path using the track log automatically stored in the receiver’ s memory .
Tips on Creating and Using the T racBack Feature The GPS 125 Sounder’ s T racBack feature is designed to help you quickly create and activate a r oute that fol- lows your path back to a user -defined starting point.
Creating and Navigating Routes The last form of navigating to a destination with the GPS 125 Sounder is by creating a user -defined route. The r oute navigation feature lets you plan and navigate a course from one place to another using a set of pre-defined waypoints.
Route Definition Page The GPS 125 Sounder lets you create and store up to 20 routes of 30 waypoints each. Routes ar e created, copied, and edited through the r oute definition page, which is accessed through the Menu Page. T o select the route definition page: 1.
T o create a route fr om the route definition page: 1. Highlight the route number field and press F . 2. Enter a route number and press the F key to con- firm. 3. Press F to begin entry of a route comment. (Note that the default [first and last waypoint] comment will only appear if the comment field is blank.
Clearing Routes (continued) The clear route warning will appear , asking you to confirm that you want to remove all waypoints fr om the route. 1. Highlight the ‘Y es?’ field with the L key . 2. Press F to confirm your action. 3. Press J to return to the Menu Page.
Active Route Page Once a route has been activated, the active r oute page will appear , displaying the waypoint sequence of your route with the estimated time enr oute (ETE) at your present speed and distance to each waypoint.
Editing Routes (continued) An on-screen menu of editing choices will appear , with options for reviewing, inserting, deleting, or changing the waypoint field highlighted. Use the U and D arrow keys to select among the editing choices. Once you’ve selected a waypoint from the r oute list, choose a menu function: 1.
Sounder Page The Sounder Page lets you use the GPS 125 as a fishfinder . The top of the screen shows the range mode being used, the water temperature (if using a tempera- ture-sensitive transducer), and the digital depth, while the middle of the page contains a right-to-left moving sonar image of the water beneath your boat.
T o switch from auto to manual mode: 1. Press the U or D keys until the desired depth range is displayed on the depth scale at the left side of the page. 2. Press F to confirm the selected range. T o switch from manual to auto mode: 1. Press the arrow keypad up or down until you hear a repeated beep.
Zoom Function The sounder zoom function allows you to see the current display picture at 2 times (2X) or 4 times (4X) magnification. 2X means that the screen displayed will now cover 1/2 the range you were originally viewing in twice the detail, and 4X shows 1/4 the original range at four times the detail.
T o save a zoom window range in Auto: 1. Press the R keypad up to view a shallower range or down to view a deeper range. The range scale on the left side of the zoomed picture will be highlighted. 2. When the window reaches the desired range, press F to accept.
Map Page The GPS 125 Sounder features a real-time moving map that can do much more than just plot your course and route. The Map Page also pr ovides you with a tar- get cursor that will let you pan ahead to nearby way- points, determine the distance and bearing to any map position, and mark new waypoints while you navigate.
Zooming, Panning, and Pointing There are thr ee main functions you can perform from the Map Page: zooming, panning, and pointing. Zooming is increasing or decreasing the display scale of the map.
T o go to a waypoint highlighted on the map: 1. Press the G key . The GOTO waypoint page will appear with the waypoint’ s name highlighted. 2. Press the F key to confirm. T o stop the panning function and display your present position: 1. Press the Q key .
Selecting a User -Defined Navigation Page Once you’ve selected a GOTO destination or acti- vated a MOB or route, the GPS 125 Sounder will pr o- vide graphic steering guidance to the destination with.
Using the Highway Page The GPS 125 Sounder’ s Highway Page also pro- vides graphic steering guidance to a destination, with a greater emphasis on the straight-line desired course and the distance and direction you are of f course.
Using the Compass Page The GPS 125 Sounder’ s Compass Page provides graphic steering guidance to a destination waypoint. The bearing (BRG) and distance (DST) to the waypoint are displayed at the top of the page, below the destina- tion waypoint field.
Menu Page The GPS 125 Sounder Menu Page provides access to submenu pages used to select and customize opera- tion and navigation setup. The 11 submenus are divid- ed into categories by function. See pg. 21-36 for dis- cussion of waypoint and route management submenus.
T rack Criteria The stored track criteria determines how often posi- tions are stored in the track log. The default setting is automatic, which stores track based on resolution. ‘Automatic’ is the most efficient use of track memory and provides the most accurate T racBack route.
Interface Setup The interface setup page lets you specify the inter- facing formats for connecting external devices. There are five interface options: GRMN/GRMN, None/None, None/NMEA, R TCM/None, and RTCM/NMEA. Each option lists the input format first, followed by the out- put format.
DGPS Interface The last two format settings allow the differ ential- ready GPS 125 Sounder to accept R TCM DGPS correc- tions in R TCM 104 version 2.0 format. Using DGPS corrections will impr ove receiver accuracy to 5-10 meters, regar dless of errors induced by the government’ s Selective A vailability (SA) program.
The GPS 125 Sounder will also display one of thr ee alert messages concerning DGPS operation through the message page: No DGPS Position — not enough data is available to compute a DGPS position. No R TCM Input — the beacon receiver is not properly connected or the baud rates do not match.
Date and Time Setup The date and time field is located directly below the mode field. Because the time shown is UTC time, you will need to enter a time offset to display the corr ect local time for your area. T o determine the time offset for your area, note your position and refer to the chart in Appendix C.
Navigation Setup The navigation setup page is used to select units of measurement for position format, map datum, CDI scale, and distance, speed, and heading information. Position Formats The default position setting for the GPS 125 Sounder is latitude and longitude in degrees and min- utes (hdddºmm.
Units of Measure The GPS 125 Sounder lets you select nautical (default), statute, or metric units of measure for all speed and distance fields. T o change the unit of measure: 1. Highlight the ‘UNITS’ field and press the F key . 2. Use U and D to select the desired unit of measure.
Magnetic Heading Reference The GPS 125 Sounder’ s heading information can be displayed referencing magnetic north (auto or user - defined), true north, or calculated grid headings. The default setting is automatic magnetic north, which is suitable for most applications.
Selecting Displayed Items on the Map Page The rest of the map setup page lets you specify what items are displayed or plotted on the Map Page. The first four plot items may be turned on or off by sele.
Alarms Setup The GPS 125 Sounder’ s alarms setup page is used to set the three available alarms: the anchor drag alarm, arrival alarm, and CDI alarm. The anchor drag alarm will sound if your boat has moved outside a range measured fr om a central point (your position).
Sounder Setup The sounder setup page lets you customize the sounder to your needs and activate certain alarms. Access the Sounder Setup from the Menu Page.
59 Whiteline Y ou may select how the area of strongest sonar return is shown through the whiteline setting. A high setting will cause a thick whiteline while low settings show a thin whiteline. T o adjust the whiteline: 1. Highlight ‘WHITELINE?’ and press F .
60 The above examples illustrate the differ ence between having Fish ID set to “FISH” versus “ON”. The most information is available with the “ON” setting. Noise Rejection The noise rejection setting determines how much the unit screens out electr onic interference fr om nearby equipment.
Keel Offset This setting allows you to set the point from which the GPS 125 Sounder will measure depth. This makes it possible to measure depth fr om the bottom of the keel instead of from the transducer’ s location. A posi- tive number will measure depth fr om a deeper point while a negative number reflects a shallower point.
Nav Simulator REFERENCE 62 Navigation Simulator The GPS 125 Sounder’ s simulator mode lets you practice all aspects of operation without actually track- ing satellites. Y ou can also plan and practice trips, enter new waypoints and routes, and save them for use dur- ing normal operation.
63 REFERENCE Nav Simulator Once the simulator mode has been activated, use the Position, Compass, or Highway Page to set your speed, track and simulated depth. T o enter track, speed, position, and depth: 1. Highlight the ‘TRACK’ field and press the F key .
64 Installation The GPS 125 Sounder must be properly installed according to the following instructions to get the best possible performance. T o begin installation, you’ll need to select a suitable mounting position for the antenna, unit and transducer (see right).
T wo types of antenna assemblies are used with the GPS 125 Sounder: • White, GA28 Marine Antenna with 30 ft. cable and BNC connector • Black, GA26 Low-Pr ofile Antenna with 8 ft. cable, BNC connector , flange, and V elcro™ mounting hardwar e. Mounting the White, GA28 Antenna T o install the GA28 antenna: 1.
Mounting the GPS 125 Sounder T wo types of mounting options are included with the GA26: • Flange Mount Bracket • Dual-Lock V elcro Strips The flange mount bracket is useful for permanent antenna mounting on a flat surface. The dual-lock V elcro should be considered perma- nent even though it does not require drilling.
Mounting the GA 26 Antenna (cont.) 2. Using the mounting bracket as a template, mark and then drill four 0.115-.125” holes. 3. If necessary , apply silicone sealant between the mount- ing surface and flange mount and then attach the anten- na to the mounting surface with appropriate screw (not included).
Mounting the GPS 125 Sounder (cont.) • There should be at least 2.00” (5.0 cm) clearance behind the case to allow connection of the anten- na, power/data cable, and transducer cable. • The mounting surface should be rigid enough to support the unit and protect it fr om excessive vibration and shock.
T o flush mount the GPS 125 Sounder: The GPS 125 Sounder can be mounted flush with a flat panel of .08-.52” thickness using the cam lobe fea- ture on its mounting bracket. 1. Cut a 4.15” W x 4.67” H hole in panel. 2. Place GPS 125 Sounder into hole from the front until its flange rests against the mounting surface.
Wiring & Specifications APPENDIX B 70 Connecting the power/data cable The power/data cable connects the GPS 125 Sounder system to a 12-18 volt DC power source and pr ovides interface capabilities for connecting NMEA devices and an external alarm (see below for interface operation details).
71 APPENDIX B Wiring & Specifications PHYSICAL Case: gasketed-construction Size: 4.9”H x 5.3”W x 2.4”D (15.6 x 5.1 x 1.23 cm) W eight: Less than 1 lb. (454g) T emperature Range: 5º to 158ºF (-15º to 70ºC) PERFORMANCE Receiver: Differ ential-ready MultiT rac8 TM Acquisition T ime: Approx.
Messages & Time Offsets APPENDIX C 72 Active WPT Can’t be Deleted— Y ou have attempted to change the “active to”’ or “active from” waypoint.
Longitudinal Zone Offset Longitudinal Zone Offset W180.0º to W172.5º -12 E007.5º to E022.5º 1 W172.5º to W157.5º -11 E022.5º to E037.5º 2 W157.5º to W142.5º -10 E037.5º to E052.5º 3 W142.5º to W127.5º -9 E052.5º to E067.5º 4 W127.5º to W112.
Map Datums APPENDIX D 74 The following list shows the 104 map datums available for the GPS 125 Sounder . Abbreviations are listed first, followed by the corresponding map datum name and area.
75 APPENDIX D Map Datums European 1979 European 1979- Austria, Finland, Netherlands, Norway , Spain, Sweden, Switzerland Finland Hayfrd Finland Hayfor d- Finland Gandajika Base Gandajika Base- Republi.
Map Datums APPENDIX D 76 Nhrwn Masirah Nahrwn- Masirah Island (Oman) Nhrwn Saudi A Nahrwn- Saudi Arabia Nhrwn United A Nahrwn- United Arab Emirates Naparima BWI Naparima BWI- T rinidad and T obago Obs.
APPENDIX E 77 Index A Almanac Data . . . . . . . . . . . . . . . . . . . . . .2 Alarms Setup . . . . . . . . . . . . . . . . . . . . . 57 B Backlighting . . . . . . . . . . . . . . . . . . . . . . .9 Bearing (BRG) . . . . . . . . . . . . . . . . . . .
Index APPENDIX E 78 R Receiver Status . . . . . . . . . . . . . . . . . . . .19 Routes . . . . . . . . . . . . . . . . . . . . . . .31-36 Active From W aypoint . . . . . . . . . . .31 Active Leg . . . . . . . . . . . . . . . . . . . . .31 Active Route Page .
LIMITED W ARR ANTY GARMIN Corporation warrants this product to be fr ee from defects in materials and workmanship for one year from the date of purchase. GARMIN will at its sole option, r epair or replace any com- ponents which fail in normal use. Such repairs or replacement will be made at no charge to the customer for parts or labor .
© 1997 GARMIN Corporation 1200 E. 151st Street, Olathe, KS USA 66062 GARMIN (Europe) L TD - Unit 5, The Quadrangle, Abbey Park Industrial Estate, Romsey , UK SO51 9AQ Part Number 190-00111-00 Rev .
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Garmin 125 c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Garmin 125 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Garmin 125, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Garmin 125 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Garmin 125, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Garmin 125.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Garmin 125. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Garmin 125 ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
