Manuel d'utilisation / d'entretien du produit 421 du fabricant Garmin
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GPSMAP ® 400/500 series owner ’ s manual.
© 2010 Garmin Ltd. or its subsidiaries All rights reserved. Except as expressly provided herein, no part of this manual may be reproduced, copied, transmitted, disseminated, downloaded or stored in any storage medium, for any purpose without the express prior written consent of Garmin.
GPSMAP 400/500 Series Owner ’s Manual i Introduction Introduction This manual includes information for the following products: GPSMAP ® 431/431s GPSMAP 441/441s GPSMAP 531/531s GPSMAP 536/536s GPSMAP 541/541s GPSMAP 546/546s T ips and Shortcuts Press HOME from any screen to return to the Home screen.
ii GPSMAP 400/500 Series Owner ’s Manual Introduction T able of Contents Introduction ........................................................................... i T ips and Shortcuts .................................................................
GPSMAP 400/500 Series Owner ’s Manual iii Introduction Viewing Celestial Information ..................................................... 43 Viewing User Data ..................................................................... 44 Viewing Other V essels .
iv GPSMAP 400/500 Series Owner ’s Manual Introduction W ARNING See the Important Safety and Pr oduct Information guide in the product box for product warnings and other important information. Hg - LAMPS INSIDE THIS PRODUCT CONT AIN MERCUR Y AND MUST BE RECYCLED OR DISPOSED OF ACCORDING T O LOCAL, ST A TE, OR FEDERAL LA WS.
GPSMAP 400/500 Series Owner ’s Manual 1 Getting Started Getting Started Unit Overview GPSMAP 536/546 POWER/ BACKLIGHT MENU ROCKER SELECT HOME RANGE (-/+) MARK SD card slot Power/Data GPSMAP 546 Exte.
2 GPSMAP 400/500 Series Owner ’s Manual Getting Started GPSMAP 441/541 Power/Data External GPS antenna NMEA 2000 ® GPSMAP 431 T urning the Unit On or Off T o turn on the unit, press and release the Power key . When the W arning screen appears, select I Agree to view the Home screen.
GPSMAP 400/500 Series Owner ’s Manual 3 Getting Started Initializing Unit Settings The rst time you turn on your unit, congure the initial settings. NOTE: Y ou can change these settings later using the Congure screen ( page 6 ). Language —select the language to display on the screen.
4 GPSMAP 400/500 Series Owner ’s Manual Getting Started Adjusting the Backlight 1. Press and release the Power key . 2. Press left or right on the Rocker to adjust the backlight. NOTE: Press the Power key repeatedly to cycle between maximum backlight, minimum backlight, and your manual setting.
GPSMAP 400/500 Series Owner ’s Manual 5 Getting Started Using the Keypad POWER/ BACKLIGHT MENU ROCKER SELECT HOME RANGE (-/+) MARK POWER/BACKLIGHT —Press and hold to turn the unit on or off. Press and release to adjust the backlight and day and night modes.
6 GPSMAP 400/500 Series Owner ’s Manual Getting Started T o turn on Simulator mode: 1. From the Home screen, select Congure > System > Simulator .
GPSMAP 400/500 Series Owner ’s Manual 7 Getting Started NOTE: If you use an SD card to transfer waypoints from MapSource ® or HomePort ™ , update to the most-current version MapSource or HomePort by clicking Help > Check for Softwar e Updates , or check the Garmin W eb site at www .
8 GPSMAP 400/500 Series Owner ’s Manual Using Charts Using Charts Y our chartplotter has a worldwide map and a built-in detailed map of US inland lakes, or BlueChart g2 cartography for the USA and Bahamas shoreline.
GPSMAP 400/500 Series Owner ’s Manual 9 Using Charts Navigation Chart Menu T o access additional settings or options for the Navigation chart, press MENU . Full Screen Map —view the Navigation or Fishing chart in full- screen mode, without numbers.
10 GPSMAP 400/500 Series Owner ’s Manual Using Charts Fishing —turn the Depth, W ater T emperature, and W ater Speed data bar on or off (available when using an “s” series unit with a transducer attached, or a “non-s” series unit with a Garmin Intelliducer ™ attached).
GPSMAP 400/500 Series Owner ’s Manual 1 1 Using Charts Navigating to a Point on the Chart 1. From the Home screen, select Charts . 2. Select Navigation Chart , Fishing Chart , or Split Navigation Chart . 3. Use the Rocker to select the point on the chart to which you want to go.
12 GPSMAP 400/500 Series Owner ’s Manual Using Charts Accessing Additional Object Information Use the map pointer ( ) to view information about on-screen map items, waypoints, and charts. T o access additional object information: 1. On the Navigation chart, highlight an item with the map pointer , and press SELECT .
GPSMAP 400/500 Series Owner ’s Manual 13 Using Charts W eather —sets up and displays various weather parameters, including precipitation (NEXRAD), cloud cover , visibility , WX buoys, and the weather legend. Sea temperature and sh species can be displayed on the Fishing chart ( page 19 ).
14 GPSMAP 400/500 Series Owner ’s Manual Using Charts Heading Line —draws an extension line from the bow of the boat in the direction of travel. Off —turns the heading line off. Distance —sets the distance to the end of the heading line. Time —sets the amount of time until you reach the end of the heading line.
GPSMAP 400/500 Series Owner ’s Manual 15 Using Charts Using the Split Navigation Chart Use the Split Navigation chart to view two different zoom levels of the Navigation chart at the same time. Split Navigation Chart (with a BlueChart g2 Vision card) The top half of the screen is zoomed in 10 times closer than the bottom half of the screen.
16 GPSMAP 400/500 Series Owner ’s Manual Using Charts W aypoints —view , sort, or lter existing waypoints, or create new ones. New W aypoint —create and edit a new waypoint. Active T racks —manage tracks ( page 33 ). Saved T racks —view a list of tracks that have been saved.
GPSMAP 400/500 Series Owner ’s Manual 17 Using Charts Press the Range (+) key to move the view closer to your boat and lower to the water . Press the Range (-) key to move the view away from the boat. The scale ( ) temporarily appears at the bottom of the screen.
18 GPSMAP 400/500 Series Owner ’s Manual Using Charts Range Rings —toggles the range rings on or off to provide distance measurement. Safe Depth —adjusts the depth at which red indicates dangerous depths. Lane W idth —adjusts the width of the course line drawn when navigating.
GPSMAP 400/500 Series Owner ’s Manual 19 Using Charts Using Fishing Charts Use the Fishing chart for a detailed, unobstructed view of the bottom contours on the chart. The Fishing chart uses detailed bathymetric data, and is best for offshore deep-sea shing.
20 GPSMAP 400/500 Series Owner ’s Manual Using Charts NOTE: When enabled, the high-resolution satellite images are only present at closer zoom levels. If you cannot see the high-resolution images in your BlueChart g2 V ision region, either zoom in further using the Range (+) key , or set the detail level higher ( page 13 ).
GPSMAP 400/500 Series Owner ’s Manual 21 Using Charts T o access aerial photos from the Navigation chart: Use the Rocker to highlight a camera icon with the pointer , and select Aerial Photo or Review > Aerial Photo .
22 GPSMAP 400/500 Series Owner ’s Manual Using Charts instructions on searching for , and navigating to, these POIs, see the “Where T o?” section beginning on page 28 . Using Automatic Guidance Auto Guidance automatically creates and suggests routes based on available BlueChart g2 V ision chart information.
GPSMAP 400/500 Series Owner ’s Manual 23 Using Charts About AIS AIS alerts you to area trafc. When connected to an external AIS device, the chartplotter can show some AIS information about other vessels that are within range, that are equipped with a transponder , and that are actively transmitting AIS information.
24 GPSMAP 400/500 Series Owner ’s Manual Using Charts The location of this symbol indicates the closest point of approach to a dangerous target, and the numbers near the symbol indicate the time to the closest point of approach to that target. Dangerous target is lost.
GPSMAP 400/500 Series Owner ’s Manual 25 Using Charts MMSI Heading Projected course Activated target T arget with Course over Ground and Heading Showing AIS V essels on a Chart or on a 3D Chart View AIS requires the use of an external AIS device and active transponder signals from other vessels.
26 GPSMAP 400/500 Series Owner ’s Manual Using Charts Viewing Information about a T argeted AIS V essel Y ou can view the AIS signal status, MMSI, GPS speed, GPS heading, and other information that is reported about a targeted AIS vessel. 1. From the Home screen, select Charts .
GPSMAP 400/500 Series Owner ’s Manual 27 Using Charts Viewing a List of AIS T argets NOTE : Mariner ’ s Eye 3D charts and Fish Eye 3D charts are available only if you use a BlueChart g2 V ision SD card. The AIS target list shows information about all of the boats your unit is monitoring.
28 GPSMAP 400/500 Series Owner ’s Manual Where T o? Where T o? Use the Where T o? option on the Home screen to search for, and navigate to, waypoints, routes, tracks, and services such as nearby fuel, repairs, and ramps. NOTE: Y ou must create waypoints and routes before you can navigate to them.
GPSMAP 400/500 Series Owner ’s Manual 29 Where T o? 3. Select a destination. NOTE: Press the right or left arrow on the Rocker to view additional information or to display the location on a chart. 4. Select Navigate T o . 5. Select Go T o or Route T o .
30 GPSMAP 400/500 Series Owner ’s Manual Where T o? Creating and Using W aypoints Y ou can store up to 3,000 waypoints with a user-dened name, symbol, depth, water temperature, location, and comment for each waypoint. 1. From the Home screen, select Charts > Navigation Chart > MENU > W aypoints & T racks > New Waypoint .
GPSMAP 400/500 Series Owner ’s Manual 31 Where T o? 5. Press SELECT to save the new location, or press MENU to cancel the move. T o view waypoint information on the Navigation chart: 1. From the Navigation chart, use the map pointer ( ) to highlight the waypoint on the Navigation chart and press SELECT .
32 GPSMAP 400/500 Series Owner ’s Manual Where T o? 3. Use the map pointer ( ) to select the location at which you want to make the last turn toward your destination. 4. Press SELECT . Repeat this step to add additional turns. 5. Press MENU to cancel, to undo the last turn, or to begin navigating the route.
GPSMAP 400/500 Series Owner ’s Manual 33 Where T o? 3. Select Edit Route . Y ou can edit the route name or use the chart or turn list to edit the route turns. T o delete a route: 1. From the Home screen, select Information > User Data > Routes .
34 GPSMAP 400/500 Series Owner ’s Manual Where T o? T o retrace the active track: 1. From the Navigation or Perspective 3D chart, select MENU > W aypoints & T racks > Active T racks > Follow Active T rack . 2. Select either the time the current track began or Entire Log .
GPSMAP 400/500 Series Owner ’s Manual 35 Where T o? BlueChart g2 V ision data cards are susceptible to damage from static electricity . In low-humidity environments, you should ground yourself on a large metal object before handling the card to prevent damage to the card.
36 GPSMAP 400/500 Series Owner ’s Manual Viewing Information V iewing Information Use the Information screen to access information about dashboard gauges, tides, currents, user data, and other vessels. V iewing a Compass From the Home screen, select Information > Dashboard > Compass .
GPSMAP 400/500 Series Owner ’s Manual 37 Viewing Information T o customize the Numbers screen: 1. From the Home screen, select Information > Dashboard > Numbers . 2. Press MENU and select Congure . 3. Select the number of elds to show ( 3 , 4 , 5 , or 6 ).
38 GPSMAP 400/500 Series Owner ’s Manual Viewing Information From the Home screen, select Information > Dashboard > Engine . Fuel gauge Fuel ow Cycling Through Engine Gauge Screens 1. From the Home screen, select Information > Dashboard > Engine .
GPSMAP 400/500 Series Owner ’s Manual 39 Viewing Information 5. Select the gauge limit. 6. Repeat steps 4 and 5 to set additional gauge limits. Activating Status Alarms for Engine Gauges If you have activated gauge status alarms, when the engine sends a warning status message over the NMEA 2000 network, a gauge status alarm message appears.
40 GPSMAP 400/500 Series Owner ’s Manual Viewing Information Conguring Engine Gauges The amount of fuel on board can be represented by either the total fuel level (numeric) or by individual tank level (graphic). From the Home screen, select Information > Dashboard > Engine > MENU > Gauge Setup > Fuel Display .
GPSMAP 400/500 Series Owner ’s Manual 41 Viewing Information V iewing and Customizing Wind Gauges From the Home screen, select Information > Dashboard > Wind .
42 GPSMAP 400/500 Series Owner ’s Manual Viewing Information Conguring the Heading Source Y ou can specify the source of the heading displayed on the wind gauge. Magnetic heading is the heading data received from a heading (or magnetic) sensor , and GPS heading data is calculated by your chartplotter GPS.
GPSMAP 400/500 Series Owner ’s Manual 43 Viewing Information V iewing Current Information Use the Current Prediction screen to view information for currents. 1. Select Information > Tides & Currents > Currents . 2. Select a current station.
44 GPSMAP 400/500 Series Owner ’s Manual Viewing Information Viewing Celestial Information for a Different Date Y ou can select a date and time for which to view celestial information, and you can view the moon phase for the selected date and time. 1.
GPSMAP 400/500 Series Owner ’s Manual 45 Viewing Information T o copy or merge HomePort data to your chartplotter: 1. Insert an SD card into an SD card reader that is attached to the computer . 2. From within HomePort, click the folders or items you want to transfer .
46 GPSMAP 400/500 Series Owner ’s Manual Viewing Information 3. Complete one of the following: Select Merge From Card to transfer data from the SD card to the chartplotter and combine it with existing user data. Select Replace From Card to overwrite items on your chartplotter .
GPSMAP 400/500 Series Owner ’s Manual 47 Viewing Information T o restore backup data to your chartplotter: 1. Copy the appropriate .ADM le from the computer to an SD card in the GarminUserData folder . 2. Insert the SD card into your chartplotter .
48 GPSMAP 400/500 Series Owner ’s Manual Conguring the Chartplotter Conguring the Chartplotter Use the Congure screen to congure unit settings. Conguring System Settings T o change general system settings from the Home screen, select Congure > System .
GPSMAP 400/500 Series Owner ’s Manual 49 Conguring the Chartplotter Heading —sets the reference used in calculating heading information. Auto Magnetic —automatically sets the magnetic declination for your location. T rue —sets true north as the heading reference.
50 GPSMAP 400/500 Series Owner ’s Manual Conguring the Chartplotter Safe Depth —set the minimum depth (chart depth datum) to allow when calculating an Auto Guidance path. A safe depth of less than one meter is not allowed when using Auto Guidance.
GPSMAP 400/500 Series Owner ’s Manual 51 Conguring the Chartplotter If the turns in the Auto Guidance line are too wide, from the Home screen, select Congure > Preferences > Navigation > Auto Guidance > Shoreline Distance > Nearest .
52 GPSMAP 400/500 Series Owner ’s Manual Conguring the Chartplotter Device List —lists the NMEA 2000 devices on your network. If a NMEA 2000 device has conguration options or settings, select the device for a list of options.
GPSMAP 400/500 Series Owner ’s Manual 53 Conguring the Chartplotter Setting Navigation Alarms T o set a navigation alarm from the Home screen, select Congure > Alarms > Navigation . Arrival —set an alarm to sound when you are within a specied distance or time from a turn or destination waypoint.
54 GPSMAP 400/500 Series Owner ’s Manual Conguring the Chartplotter W ater T emp —set an alarm to sound when the transducer reports a temperature that is 2°F (1.1°C) above or below the specied temperature. Fish —set an alarm to sound when the unit detects a suspended target of the specied symbols.
GPSMAP 400/500 Series Owner ’s Manual 55 Conguring the Chartplotter 3. Enter the distance measured in step 1. Ensure that you enter a positive or a negative number based on the location of the transducer . 4. Select Done to accept the number . A (+) positive number shows depth at the bottom of the keel.
56 GPSMAP 400/500 Series Owner ’s Manual Conguring the Chartplotter Select OK , and safely increase the speed of the boat. If the message appears again, stop the boat and make sure the speed-sensor wheel is not stuck. If the wheel turns freely , check the cable connections.
GPSMAP 400/500 Series Owner ’s Manual 57 Using Sonar Using Sonar When connected to a transducer , the following chartplotters can be used as shnders: GPSMAP 431s GPSMAP 441s GPSMAP 531s GPSMAP.
58 GPSMAP 400/500 Series Owner ’s Manual Using Sonar Understanding the Split Frequency Screen Use the Split Frequency screen (dual-frequency transducer only) to view both the 50 kHz and the 200 kHz frequencies on the same screen. A 50 kHz frequency graph appears on the left.
GPSMAP 400/500 Series Owner ’s Manual 59 Using Sonar Understanding the Depth Log Screen The Depth Log screen keeps a graphic log of depth readings over time. The present depth is shown in the top-left corner . From the Home screen, select Sonar > Depth Log .
60 GPSMAP 400/500 Series Owner ’s Manual Using Sonar The temperature appears along the right side, and the time elapsed appears along the bottom. The graph scrolls to the left as information is received. Setting Up Sonar Use the Sonar Setup screen to dene and adjust settings universal to all sonar screens.
GPSMAP 400/500 Series Owner ’s Manual 61 Using Sonar Whiteline —highlights the strongest signal from the bottom to help identify its hardness or softness. Off (default)—turns off whiteline. High —the most sensitive setting. Almost all strong returns are highlighted in white.
62 GPSMAP 400/500 Series Owner ’s Manual Using Sonar Split Zoom —displays the Split Zoom screen ( page 58 ). Noise Reject (available only when Gain is set to Manual )—reduces on-screen visual clutter (usually from electrical sources) on the screen.
GPSMAP 400/500 Series Owner ’s Manual 63 Using Digital Selective Calling Using Digital Selective Calling (DSC) Using the Chartplotter with a VHF Radio The following table indicates the features that are available when you connect your chartplotter to a VHF radio over a NMEA 0183 network or a NMEA 2000 network.
64 GPSMAP 400/500 Series Owner ’s Manual Using Digital Selective Calling T o turn DSC on or off: 1. Select Congure > Other V essels . 2. Select DSC to toggle it on or off. Adding a DSC Contact Y ou can make calls to a DSC contact from the chartplotter .
GPSMAP 400/500 Series Owner ’s Manual 65 Using Digital Selective Calling Man-Overboard Distress Calls Initiated from a VHF Radio When your Garmin chartplotter is connected to a Garmin NMEA 2000 comp.
66 GPSMAP 400/500 Series Owner ’s Manual Using Digital Selective Calling Select Clear Report to delete the call report. Select Navigate T o to Go T o or Route T o the location sent with the position report ( page 1 1 ).
GPSMAP 400/500 Series Owner ’s Manual 67 Using Digital Selective Calling The selection of a DSC channel is limited to those channels that are available in all frequency bands: 6, 8, 9, 10, 13, 15, 16, 17, 67, 68, 69, 71, 72, 73, or 77. NOTE: The default channel is 72.
68 GPSMAP 400/500 Series Owner ’s Manual Using XM WX Weather and Audio Using XM WX W eather and Audio In order to use XM weather and audio, you must have a compatible Garmin XM WX receiver , such as a GXM 51, and an activated XM subscription. V isit http://www8.
GPSMAP 400/500 Series Owner ’s Manual 69 Using XM WX Weather and Audio If W eather is set to Off , none of the weather parameters will be visible on the chart. T o view weather information on a Perspective 3D chart or a Mariner ’ s Eye 3D chart: Press MENU > Weather Radar > On .
70 GPSMAP 400/500 Series Owner ’s Manual Using XM WX Weather and Audio T o view weather options, press MENU . Change W eather —displays other weather options. Select W eather Subscription to view your subscription information. Cloud Cover —shows or hides the display of cloud cover .
GPSMAP 400/500 Series Owner ’s Manual 71 Using XM WX Weather and Audio Understanding Hurricane Information The Hurricanes feature shows the current position of a hurricane, tropical storm, or tropical depression, as well as its projected path (indicated by a red line).
72 GPSMAP 400/500 Series Owner ’s Manual Using XM WX Weather and Audio T ornado Warning Severe Thunderstorm Warning Flood Warning Flash Flood Warning V iewing Forecast Information Forecasts show the weather conditions including fronts and precipitation.
GPSMAP 400/500 Series Owner ’s Manual 73 Using XM WX Weather and Audio Understanding City Forecasts City forecasts appear as standard weather symbols.
74 GPSMAP 400/500 Series Owner ’s Manual Using XM WX Weather and Audio Understanding W ater T emperature Data The W ater T emperature feature indicates the water ’ s surface temperature, as indicated by the legend on the left of the screen. The temperature breaks are indicated by isotherm lines.
GPSMAP 400/500 Series Owner ’s Manual 75 Using XM WX Weather and Audio Understanding W ave Period The W ave Period feature provides the time (in seconds) between successive waves. Understanding W ave Direction The W ave Direction feature shows the direction in which a wave is moving, as indicated by the direction of the red arrow .
76 GPSMAP 400/500 Series Owner ’s Manual Using XM WX Weather and Audio Using XM Audio When a Garmin XM receiver is connected to the audio input of your boat, you can listen to XM audio channels. T o display the XM audio interface while navigating: From the any chart except a split screen chart, press MENU > Data Bars > XM Audio > On .
GPSMAP 400/500 Series Owner ’s Manual 77 Appendix Appendix Specications Physical Specications Size : 400 Series: W × H × D: 5.7 in. × 5.0 in. × 3.0 in. (14.5 cm × 12.7 cm × 7.6 cm) 500 Series: W × H × D: 5.9 in. × 6.4 in. × 2.9 in. (15.
78 GPSMAP 400/500 Series Owner ’s Manual Appendix Acquisition T imes: (A verage acquisition times for a stationary receiver with a clear view of the sky) GPSMAP 431/431s GPSMAP 441/441s GPSMAP 531/5.
GPSMAP 400/500 Series Owner ’s Manual 79 Appendix Alarms and Messages The unit uses an on-screen message system to alert you to unit operating characteristics. When a message appears, press MENU to acknowledge the message. Accuracy Alarm —the GPS accuracy has fallen outside of the user- set value.
80 GPSMAP 400/500 Series Owner ’s Manual Appendix DSC Position Report Received From —shows the MMSI or name associated with an MMSI. Database Error —internal problem with the unit. Contact your dealer or Garmin Product Support to have the unit serviced.
GPSMAP 400/500 Series Owner ’s Manual 81 Appendix Route W aypoint Memory Full —no additional route waypoints can be saved. Shallow W ater Alarm —the Shallow W ater Alarm depth has been reached. Sonar Service Incompatible —the external sonar device you are connected to needs a software update.
82 GPSMAP 400/500 Series Owner ’s Manual Appendix W aypoint Already Exists —you entered a waypoint name that already exists in memory . Modify the waypoint name or delete the existing waypoint. W aypoint Memory Full —you have saved the maximum number of waypoints.
GPSMAP 400/500 Series Owner ’s Manual 83 Appendix NMEA 2000 The following GPSMAP 400 and GPSMAP 500 series chartplotters are NMEA 2000 certied and can receive data from a NMEA 2000 network installed on the boat.
84 GPSMAP 400/500 Series Owner ’s Manual Appendix THE APPLICABLE DAMAGE OR LOSS. THIS ALLOCA TION OF RISK IS REFLECTED IN OUR PRICES. YOU MA Y HA VE GREA TER RIGHTS THAN DESCRIBED ABOVE UNDER YOUR ST A TE’S LA WS. This product was developed using DAFIF ™ , a product of the National Geospatial- Intelligence Agency .
GPSMAP 400/500 Series Owner ’s Manual 85 Index Index A A-scope 60 Active T racks 16 aerial photos 20 AIS 23 , 47 , 56 , 67 alarm 56 symbols 23 threats 27 alarms 52 , 79–82 anchor drag 53 arrival 5.
86 GPSMAP 400/500 Series Owner ’s Manual Index Fish Symbols 18 , 60 asher 57 forecast information 72 frequency 61 Fuel Capacity 56 fuel gauges synchronizing 40 viewing 40 full screen, sonar 57 Fu.
GPSMAP 400/500 Series Owner ’s Manual 87 Index R radio 63 Range AIS Alarm 56 sonar 61 Range keys 5 Range Rings 16 , 18 registering your product iv restoring factory settings 6 Rocker key 5 Roses 12 .
88 GPSMAP 400/500 Series Owner ’s Manual Index V V ehicle Icon 14 version (software) 48 VHF radio 63 viewing currents 43 other boats 47 tide stations 42 user data 44 visibility information 75 W W AA.
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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 . © 2010 Garmin Ltd. or its subsidiaries Garmin International, Inc. 1200 East 151 st Street, Olathe, Kansas 66062, USA Garmin (Europe) Ltd.
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 421 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 421 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Garmin 421, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Garmin 421 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Garmin 421, 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 421.
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 421. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Garmin 421 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.
