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Évaluations - 3, GPA: 4.7 ( )

Instructions Garmin, Modèle GPSMAP 190-00683-00

Fabricant : Garmin
Taille : 7.34 mb
Nom Fichier : 1130_OwnersManual.pdf
Langue d'enseignement: en
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If you enter a different LORAN chain number or change the secondary stations or offsets in the Setup TD field, the active waypoint information will reflect those changes. Because the GPSMAP 378/478 does not rely on the LORAN signal for navigation, it can reference a different GRI chain and/or secondary stations and still navigate to the location stored in memory. The LORAN Location Format field is located on the Location sub tab of the Setup tab on the Main Menu. The LORAN TD Setup window contains the fields to select the Loran GRI-Chain Number, Primary and Secondary Stations, and TD Offsets. GPSMAP 378/478 Owner’s Manual APPendIX > lorAn td setuP APPendIX > lorAn td setuP 1. Highlight the Setup tab on the Main Menu, and then highlight the Location sub tab. 2. Highlight the Location Format field and press ENTER. Location Sub Tab 3. Highlight Loran TD, and press ENTER. 4. Highlight the Setup button located on the right side of the Location Format field and press ENTER. The Loran TD Setup window appears. 5. To change the settings of any of the five fields, highlight the field, press ENTER, select a setting, and press ENTER again. LORAN TD Setup 6. When finished, highlight the Save button, and press ENTER. If the active GRI Chain, secondary stations, or offsets were changed since the waypoint was created, the waypoint now references the active GRI chain and secondary stations and adjusts the TD coordinates accordingly. Remember that the GPS is not relying on the LORAN signal for navigation and actually converts the TD coordinate to a useful latitude and longitude coordinate before storing the waypoint to memory or using it for navigation. Because of this, the unit can navigate to a TD coordinate anywhere in the world. For more information on LORAN TDs, you can download the LORAN TD Position Format Handbook from the Garmin Web site. GPSMAP 378/478 Owner’s Manual APPendIX > MAP dAtuMs And locAtIon forMAts APPendIX > MAP dAtuMs And locAtIon forMAts s Map Datums are based on a mathematical model of the Earth. What Are a Map Datums? A datum is a mathematical model of the Earth that approximates the shape of the Earth and enables calculations to be carried out in a consistent and accurate manner. The datum is physically represented by a framework of ground monuments whose positions have been accurately measured and calculated on this reference surface. Lines of latitude and longitude on a map or chart are referenced to a specific map datum. Every chart has a map datum reference, and you can set the GPSMAP 378/478 to match most of those commonly used. If you are navigating and comparing the GPS coordinates to a map, chart, or other reference, set the map datum in the GPS unit to the same datum as the map to ensure the most accurate navigation. What is a Location Format? Your current location can be viewed on the GPS in the form of coordinates. Because different maps and charts use different location formats, Garmin GPS units allow you to choose the correct coordinate system for the type of map you are using. The most common format is latitude and longitude, which is used by all Garmin units. You can choose to change the location format to use with other coordinate systems in the Location field of the Setup tab—Location sub tab. UTM/UPS (Universal Transverse Mercator/Universal Polar Stereographic) are easy-to-use metric grids that are found on most USGS topographic quadrangle maps. You can also select one of several other grids, including a user-definable grid (for the advanced user). For more information about using paper maps with your Garmin unit, refer to Using a Garmin GPS with Paper Land Maps, available for download at UsingaGarminGPSwithPaperLandMaps_Manual.pdf. 126 GPSMAP 378/478 Owner’s Manual APPendIX > dIgItAl selectIve cAllIng (dsc) APPendIX > dIgItAl selectIve cAllIng (dsc) DSC uses marine VHF radio GPS technologies to transmit and receive location information. DSC is used by mariners to assist them in two major areas: distress calls and position reporting. A non-emergency DSC position report allows mariners to exchange and show the positions of one another. When you receive a DSC position, you can create a waypoint or to show the received position on an electronic map. An emergency DSC Distress Call allows a vessel in trouble to transmit a substantial amount of information in a single transmission, or “call,” without the need for voice communication. When any nearby rescuer receives the DSC signal, an alarm sounds, and they immediately receive the position of the caller. The rescuer can then choose to navigate (Go To) the caller’s position to assist or forward the call on to the Coast Guard. When the Coast Guard receives the call, they can immediately access the caller’s information (such as who they are and the type of vessel) in their database while they are in transit to the caller’s location. Any time a vessel receives a DSC call, the vessel can store that location and quickly...

Ce manuel est également adapté pour les modèles :
Sounders - GPSMAP 378 (7.34 mb)
Sounders - GPSMAP 478 (7.34 mb)

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