Contact Garmin

Contact Garmin if you have any questions while using your GPSMAP 3006C/3010C. In the USA contact Garmin Product Support by phone: (913) 397-8200 or (800) 800-1020, MondayFriday, 8 AM5 PM Central Time; or go to www.garmin.com/support/. In Europe, contact Garmin (Europe) Ltd. at +44 (0) 870.8501241 (outside the UK) or (within the UK).
Introduction > Warnings and Important Information

Warnings

Failure to avoid the following potentially hazardous situations could result in an accident or collision resulting in death or serious injury. When navigating, carefully compare information displayed on the unit to all available navigation sources, including information from visual sightings, and maps. For safety, always resolve any discrepancies or questions before continuing navigation. Use the electronic chart in the unit only to facilitate, not to replace, the use of authorized government charts. Official government charts and notices to mariners contain all information needed to navigate safely. Use this unit only as a navigational aid. Do not attempt to use the unit for any purpose requiring precise measurement of direction, distance, location, or topography.
WARNING: This product, its packaging, and its components contain chemicals known to the State of California to cause cancer, birth defects, or reproductive harm. This Notice is provided in accordance with Californias Proposition 65. See www.garmin.com/prop65 for more information. The California Electronic Waste Recycling Act of 2003 requires the recycling of certain electronics. For more information on the applicability to this product, see www.erecycle.org.
Hg - lampS inside this product contain mercury and must be recycled or disposed of according to local, state, or federal laws.
For more information go to: www.garmin.com/aboutGarmin/environment/disposal.jsp

Important Information

MAP DATA INFORMATION: One of the goals of Garmin is to provide customers with the most complete and accurate cartography that is available to us at a reasonable cost. We use a combination of governmental and private data sources, which we identify in product literature and copyright messages displayed to the consumer. Virtually all data sources contain some inaccurate or incomplete data. In some countries, complete and accurate map information is either not available or is prohibitively expensive.
Getting Started > Unit Overview

Unit Overview

Data card slots Data card slot 1 Data card slot 2

Serial number tag

Interface keys
Connection ports GPSMAP 3010C Shown
Data entry keys Soft keys Infrared (IR) window (For optional remote control)

Getting Started

NOTE: When networking with a Garmin GPSMAP 4000 or 5000 series unit, map data is not shared.

Map pointer

To move the map pointer:
Press the ROCKER to move the map pointer up, down, left, right, or diagonally.
Use the map pointer to pan away from your current location and scroll to other map areas around the world (even outside of your current detail coverage). As you pan past the edge of the current map display, the screen actively scrolls forward to provide continuous map coverage. An hourglass symbol appears by the pointer while the unit is busy drawing new map detail.
As you move the map pointer, the distance and bearing from your current location to the map pointer are shown in the upper-left corner of the map, with the map pointers location coordinates. Keep in mind that when the map pointer is stationary, the distance and bearing from your present location changes as your boat moves. The map pointer can also be used to jump to an on-screen waypoints and map items, allowing you to review a selected location directly from the map.
1. Use the ROCKER to move the pointer to the waypoint or map item. When a waypoint or map item is selected, it is highlighted on-screen with the name and location shown. 2. Press ENTER to view details of the map item. When using BlueChart or MapSource data, or if waypoints are grouped tightly together due to the Range setting, additional tabs appear on the Review Waypoint Page. Use the ROCKER to highlight the individual tabs to view the information and additional options.
To eliminate the pointer and re-center your location on the map:

Press QUIT.

To select an on-screen waypoint or map item with the map pointer:
1. Select an on-screen BlueChart map item, and press ENTER. 2. Use the ROCKER to highlight the Chart <name> tab. A chart summary appears below the tab. 3. Highlight the Notes soft key, and press ENTER. Notes for the chart appear.
To view additional BlueChart chart notes:
Additional information tabs

Digital 2 with small data fields
3. Press up or down on the ROCKER to highlight the type of data you want to show, and press ENTER. 4. Press QUIT to exit.
Digital 1 with large data fields
To restore the factory default configuration:
1. Press and hold DATA/CNFG to open the Configuration window. 2. Press the Defaults soft key.
To change Digital 1 or Digital 2 data fields:
1. Press and hold DATA/CNFG to open the Configuration window. 2. Highlight the data field you want to change, and press ENTER.
Main Pages > Using Function Windows

Using Function Windows

You can add additional function windows to any of the main pages. After you configure a main page, press FCTN to cycle through the available function windows. The active function window is highlighted with a yellow box. Each time you press FCTN, the highlight moves in a clockwise motion (when three or more function windows are shown).
Functions Menu Active function window
Function Window Adjustments
1. Press ADJ. The adjustment menu appears for the highlighted or active function window. 2. Press the data entry shortcut key, or use the ROCKER to highlight an option, and press ENTER.
Adjustment menu Active function window
To show adjustment options for the active function window:
1. Press FCTN. The Functions Menu appears with the next function on the list highlighted. 2. Each time you press FCTN, the next function window is highlighted. Press ENTER when the function window you want is highlighted. Functions that are not available appear dimmed and cannot be selected.
To cycle through function windows on a main page:
Each active function window (except the Compass) has specific adjustment (ADJ key)/soft key options and main page features. You can use options from the adjustment menu or soft keys to access adjustments or features for the active (highlighted) function window. As you add optional hardware to your GPSMAP3006C/3010C or Garmin Marine Network, adjustment menu choices may appear automatically. For specific instructions on adjustments and features for the highlighted window, refer to the specific section (or manual) for that main page.

Main Pages > Map Page

Viewing a Main Page in Full-Screen Mode
Use the DATA key to view the main page in full-screen mode, without functions, the status bar, or Digital Data fields. Press DATA again to return to the previous view.

The 3D Highway Page provides 3-D graphic steering guidance to a destination waypoint, placing greater emphasis on the straight-line course, and the distance and direction you are off course. As you head toward your destination, the middle of the screen guides you to your waypoint on a moving highway. Your present location is at the bottom-center of the 3D Highway Page. Three-dimensional cartography provides situational awareness while navigating. The line down the middle of the highway represents your course.
Route waypoints Current nav point Desired track line Current location

Data fields

As you head toward your destination, the highway perspective moves to indicate your progress to the waypoint and which direction you should steer to stay on course. If you are navigating a route, the 3D Highway Page shows each route waypoint in sequence connected by a magenta road with a line down the middle. As you navigate toward a waypoint, the highway moves, indicating the direction you are off course. To stay on course, steer toward the center of the highway. You can also view Routes details, nearby waypoints not in the active route, Track Log points, and Saved Tracks.
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Changing the Highway Perspective Range
You can zoom the highway perspective range in or out to show a larger or smaller view of the highway. To change the highway perspective range:
Press the RANGE Up key to zoom out, or press the RANGE Down key to zoom in.

Showing or Hiding Maps

When using optional preprogrammed BlueChart g2 data cards, you can view the map on the 3D Highway Page.
NOTE: The Show/Hide Map feature is available only if you are using an optional preloaded BlueChart g2 data card. Press the Show Map soft key to show the map cartography on the 3DHighway Page. Press Hide Map to return to the highway view.

3D Highway Page Options

To view map on the 3D Highway Page:
The 3D Highway Page provides access to functions and features relating to the 3D Highway Page (or Highway function window) using the ADJ key and soft key options. The available ADJ soft key options are Route Details, Edit Active Route, and Setup. As you add optional hardware to your GPSMAP 3006C/3010C or Garmin Marine Network, adjustment menu choices may appear automatically. You can also customize the 3D Highway Page to show other functions and different sizes or types of Digital Data fields. Active Route Details (Route Details)shows details such as distance, course, and other useful information for each waypoint of the active route. Edit Active Route (Edit Route)allows you to review and modify the Active Route from either a list of the route points or on a map. Setupallows you to select what waypoints and tracks are shown on the 3D Highway Page. Use the ROCKER and ENTER keys to select or clear options. The following options are available: Active Route Waypointsshows all active route waypoints. User Waypointsshows only nearby waypoints. Track Logshows the current active track log. Saved Tracksshows any saved track logs.

The GPS tab provides a visual reference of satellite acquisition, receiver status, and accuracy. The sky view and signal strength bars give you an indication of what satellites are visible to the receiver and whether or not they are being tracked. For more information about GPS, see pages 6-7. For more information about WAAS, see page 103.
Receiver status Sky view Signal strength bars Accuracy

Main Menu tabs

To select a tab from the Main Menu:
1. Press and hold ADJ/MENU to open the Main Menu. 2. Press up or down on the ROCKER to highlight the tab you want to view. (The highlight wraps around when you reach the top or bottom of the list.) The information for the highlighted tab automatically appears to the right. If you want to highlight any of the sub tabs, press left or right on the ROCKER, and then press up or down to select individual fields.
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Main Menu > Tide Tab

Tide Tab
Use the Tide tab to view tide and current information. The Tide tab contains two sub tabs: Tide and Current.
in 1-hour increments. A solid, vertical line (with the local time at the top) indicates the tide height corresponding to the time shown in the local time box.
Max. level High tide curve Time bar Local time Current tide height bar

Current tide height

Min. level Event times Day Low tide curve Night

Tide Sub Tab

The Tide sub tab contains a graphical chart that shows Tide Station information in a 24-hour span starting at midnight. You can choose from different dates and more than 3,000 Tide Stations around the USA coastline, Alaska, Hawaii, western Canada, and several of the Caribbean islands. The top of the Tide sub tab shows the Tide Station and the date. The bottom of the Tide sub tab shows the distance and bearing from your location. The bottom of the Tide chart shows a 24-hour block of local time for your location. Daylight (yellow bar) and nighttime (blue bar) at the Tide Station are shown across the time scale, with the time progressing from left to right (sunrise and sunset information might not be available for some Tide Stations). The solid, light vertical lines are in 4-hour increments, and the light, dotted vertical lines are
The Tide curve is shown as a shaded area, where higher tides are taller (blue) and lower tides are shorter (red). The solid, horizontal line indicates the tide height. The figure to the left of the line shows the present tide level. The Mean Lower Low Water (MLLW) appears as a solid, horizontal line near the bottom of the chart (this line appears only if the tide height range is zero or below). The numbers on the top and bottom of the left side indicate the maximum and minimum levels. The four data fields below the chart indicate event times and levels at which the tide changes, starting in the upper-left field, going downward, then to the upperright, and down again. When comparing with other tide tables, verify that the depth units value is the same for both sources. The bottom of the chart shows the amount of time (in hours and minutes) until the next low tide and high tide.

Main Menu > Tide Tab 1. Highlight the For field, and press ENTER to open the Find Tides Page. 2. Highlight Current Position, and press ENTER to open the Find Near Current Position Page. 3. Select a Tide Station from the list, and press ENTER. As you move the highlight over each Tide Station in the list, the station is highlighted on the map window. The distance and bearing from your location to the highlighted Tide Station are shown at the bottom of the list.
To select the Tide Station nearest to your location:
3. Press up or down on the ROCKER to move the map pointer to a map location, and press ENTER. The Find Near Other Position Page shows a list of Tide Stations near the selected map location. 4. Select a Tide Station, and press ENTER. If the None Found message appears, repeat steps 13 until you find a Tide Station.
Viewing Tide Information You can change the date to see tide charts for other days or move the time bar in approximately 5- minute increments to show tide heights at various times. To change the date of the tide chart:
1. Using the ROCKER, highlight the On field, and press ENTER. 2. Enter a date, and press ENTER. The tide chart is updated to show tide information for the selected date. 3. Press the Current Date soft key to return.
To view tide heights at various times on the tide chart:
1. Highlight the tide chart. 2. Press left or right on the ROCKER to change the time and day. The day changes as you move past the edge of the tide chart.
Tide Stations Near Your Location
If you are not within this range, the message None Found appears. Use the Map Position option to select a location closer to a Tide Station.
1. Highlight the For field, and press ENTER to open the Find Tides Page. 2. Highlight Map Position, and press ENTER to open the Find Near Current Position Page.
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To select a Tide Station from a map location:

Current Sub Tab

The Current sub tab shows information for currents in a 24-hour span, starting at midnight. You can choose from different dates and more than 3,000 Current Stations around the USA coastline, Alaska, Hawaii, western Canada, and several of the Caribbean islands. The top of the Current sub tab shows the Current Station and the date. The bottom of the tab shows the distance and bearing from your location.
The bottom of each chart shows a 24-hour block of local time for your location. Day (yellow bar) and night (blue bar) at the Current Station appear across the time scale, with the time progressing from left to right (sunrise and sunset information may not be available for some stations). The solid, light vertical lines are in 4-hour increments, and the light, dotted vertical lines are in 1-hour increments. A solid, vertical line (with the local time at the top) indicates the strength of the current that corresponds to the time shown in the local time box.

To add a new directory item:
4. Press the OK soft key to save the entry.
After creating a New Directory Item entry, the name created is attached to that particular MMSI number. If you return to the log, the new name appears under the corresponding MMSI number. Another way to enter a name is from the Entry Review Page or the DSC Distress Call or DSC Position Report Pages. The Name field is only available in the GPS tab. Names cannot be sent like the MMSI numbers to other DSC users.
DSC Setup (Simulator Mode Shown)
If you receive a distress call or position report, you can quickly navigate to the caller using the NAV key. When the call is logged, press NAV, and select Go To <MMSI number> or Go To <Name>.
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Using the NAV Key

Main Menu > Card Tab

Card Tab

Use the Card tab to transfer waypoints, routes, and tracks to and from a data card. When data is saved to a data card, it can be exchanged with other compatible units or transferred Garmins MapSource software program on your computer.
1. Insert the data card. If there is already user data on the card, highlight Manage User Card, and press ENTER. The Main Menu appears with the Card tab selected. 2. Select the check box next to each type of item you want to transfer (user waypoints, proximity waypoints, routes, or tracks). 3. Press the To Card soft key to save the selected items to the data card. 4. If transferring data from the card to the GPSMAP 3006C/3010C, press the Merge From Card soft key to combine the selected items with existing GPS data. OR Highlight Replace From Card, and press ENTER to overwrite all selected items on your GPS. 5. A Transfer Complete message appears in the status bar after the data is transferred. Press QUIT.
To transfer data to or from a data card:
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Main Menu > Messages Tab and Alarms Tab

Messages Tab

The Messages tab shows a list of messages generated by the GPSMAP3006C/3010C. Use the ROCKER to scroll through the messages. The date and time when each message occurred is shown at the bottom of the tab.

Alarms Tab

Use the Alarms tab to define alarm settings. The Alarms tab is divided into four sub tabs: System, Nav, and Sonar. If you have a GDL 30/30A Marine Weather Satellite Receiver connected, the Weather sub tab is visible. Alarm messages appear in red across the status bar or change the appearance of a data field if that field shows alarm-related data (for example, depth or voltage). Press QUIT to acknowledge an alarm message. The status bar and data field remain red while the alarm condition persists.
Viewing Detailed Message Information
You can view detailed information about the message, such as date, time, position, speed, course, and heading. To view detailed information:

Transducer at surface. Enter (+) a positive number to show depth from bottom of keel.
Transducer at bottom of keel. Enter (-) a negative number to show depth from surface.
Transducer Typeallows you to specify what type of transducer you are using, either Dual Beam or Dual Frequency. Calibrate Water Speedthis is available only if you are using a speed-capable transducer/sensor. Calibration is required to ensure that the Water Speed shown on your unit is accurate. The unit automatically uses the GPS ground speed, if it is available, for comparison on the calibration. If a GPS ground speed is not available, use either your boats speedometer reading (not always accurate) or a stopwatch to determine your speed over a certain distance (distance / time = speed). It is recommended that you calibrate in water having little or no current.
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To calibrate the water speed:
1. On the Sonar tab, press the Cal Water Spd soft key. 2. Bring the boat to cruising speed. Both the top ground and uncalibrated water speeds are shown at the bottom of the calibration window. Note your top speed, stop the boat, and press ENTER. 3. By default, the top ground speed automatically appears in the What was your top water speed? field. If a ground speed is not available, the top uncalibrated water speed is used instead. If the new speed is correct, highlight OK, and press ENTER. If you want to manually enter a calibration, press ENTER on the speed field, enter a new speed, and press ENTER.
The available Graph sub tab options are: Color Schemesets the colors for the Sonar and Flasher Pages. Fish Symbolssets how the Sonar Page interprets suspended targets and background information. If you select a fish symbol, the GPSMAP 3006C/3010C identifies some returns for you by replacing them with fish symbols (in large, medium, and small sizes based on the size of the sonar return). If you are using dual beam, fish symbols from the narrow beam (directly underneath your boat) are solid, and the returns from the wide beam (out to the sides of your boat) are hollow. the Sonar Page does not interpret the sonar return data. Suspended targets appear as symbols. No background information appears Same as previous with the target depth shown. Suspended targets appear as symbols. Background information appears, making the distinction between fish and structure easier. Same as previous with target depth shown. Scalecontrols the appearance of the depth scale shown vertically along the right side of the graph. You can configure the depth scale to appear in one of four different ways: as an Overlay, in the Corners, Basic, or No Scale.

While a target is being designated, a red box appears around the target. When MARPA begins tracking the target, the box is replaced with the appropriate symbol.
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Safe targets

Enter Standby (Begin Transmitting) The Enter Standby (Begin Transmitting) option allows you to select if the radar is in Standby Mode or is transmitting. Select Enter Standby to place the radar into Standby Mode. While in Standby Mode, the radar does not transmit, but power remains applied to the Magnetron. Select Begin Transmitting to remove the radar from Standby Mode. After the radar completes Spinning Up, the radar begins transmitting. Set Motor to High Speed (Set Motor to Normal Speed) The Set Motor to High Speed (Set Motor to Normal Speed) option allows you to select the motor speed of the GMR 404/406 radar. Selecting Set Motor to High Speed to increases the speed at which the radar rotates, thus increasing the speed at which the screen updates.
Note: This option is available only if you are using a GMR 404/406 Radar.

Acquiring target

Dangerous target

To view the MARPA List:

Press the MARPA List soft key.
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Using Radar > Map Page Radar Overlay and Radar Tab

Map Page Radar Overlay

Radar information can be shown as an overlay on the Map Page. When you overlay radar information on the Map Page, you can press ADJ/MENU to access many of the radar options.
Note: Changing the map zoom scale does not change the radar range. When you zoom in or our on the Map Page, the radar overlay is scaled to fit. On the Map Page, press the Show Radar soft key.
When a GMR 20/40, GMR 21/41, or GMR 404/406 Marine Radar is connected to the GPSMAP 3006C/3010C, and either the Auto-Detect Services or Radar check box is selected on the System tab, the Radar tab appears on the Main Menu. Use the Radar tab to set up the Radar Page. The Radar tab has four sub tabs: General, Display, MARPA, and Advanced.
To overlay radar data on the Map Page:
Map Page with Radar Overlay and Radar Page
To hide the radar data overlay on the Map Page:
1. Press the Setup soft key on the Radar Page to open the Main Menu. The Radar tab is automatically selected. 2. Highlight the setting you want to change, and then press ENTER. 3. Press QUIT to return to the Radar Page.
To access and change a setting on the Radar tab:
1. Press the Radar Options soft key. 2. Press the Hide Radar soft key. The radar overlay is hidden.

The available MARPA sub tab options are: Vector Lenthpredicts the targets approximate position at a set time interval. This setting determines the length of the Vector Line, based on the time interval setting and the targets speed. The time interval settings range from.05 minutes to 60 minutes. Target Historyis a trail showing a targets movement. Target History can be turned On or Off. Own Vessel Safe Zoneis a circular area defined by a range setting that is centered on your own vessel. If a target enters the defined area an alarm is sounded. The Safe Zone can be set to a distance between.01 and 2 nautical miles. Time To Safe Zonesounds an alarm if MARPA determines that a target will intersect the Own Vessel Safe Zone within the defined time interval. The time interval settings range from 3 to 24 minutes. Safe Zone Ringdisplays a ring on the Radar Page depicting the Own Vessel Safe Zone. Velocity Referencehas two settings, Absolute and Relative. This setting determines how speed and direction are displayed on the MARPA list. Relative calculates target speed and direction relative to your own. Absolute shows the targets actual speed. Radar

MARPA Sub Tab

The MARPA sub tab contains settings for Vector Length, Target History, Own Vessel Safe Zone, Tine To Safe Zone, Safe Ring Zone, and Velocity Reference.
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Advanced Sub Tab

Use the Advanced sub tab to set AFC Mode, front of boat offset and antenna size.
NOTE: The Antenna Size field is available only if you are using a GMR404/406 Marine Radar.
4. Press up or down on the ROCKER to adjust the scanner frequency. 5. Press ENTER to accept the frequency change. Note: The Signal Strength bar graph is damped and may be slow when responding to frequency tuning changes.
Signal Strengthshows the strength of the radar signal Front of Boat Offsetallows you to offset the front of the boat if you mount the radar at an angle. Antenna Sizeallows you to select the size of your antenna (4 Foot or 6 Foot).

Note: This field is available only if you are using a GMR 404/406 Radar. Select 4 Foot for a GMR 404 Radar; select 6 Foot for a GMR 406 Radar.
The available Advanced sub tab settings are: AFC Modesets how the scanner frequency is adjusted. Select Auto to automatically adjust the scanner frequency for optimal performance (recommended). Select Manual to set the frequency manually.
1. Highlight the AFC Mode field, and press ENTER. 2. Select Manual, and press ENTER. 3. Highlight the Freq button to the right of the AFC Mode field, and press ENTER.
To manually adjust the scanner frequency:
NOTE: The Freq button is available only available if Manual is selected in the AFC Mode field.
Appendix > Specifications

Appendix

Specifications

Physical Specifications

Size: GPSMAP 3006C: 6.5" H x 10.3" W x 3.3" D (16.5 x 26.2 x 8.4 cm) GPSMAP 3010C: 8.8" H x 13.1" W x 3.0" D (22.4 x 33.3 x 7.6 cm)
GPS Accuracy: Position: <15 meters (49 feet), 95% typical* Velocity: 0.05 meters/sec steady state WAAS Accuracy: Position: <3 meters (10 feet), 95% typical* Velocity: 0.05 meters/sec steady state Dynamics: 6gs
Weight: GPSMAP 3006C: 3.0 lbs (1.4 kg) GPSMAP 3010C: 5.0 lbs (2.3 kg) Display: GPSMAP 3006C: 6.4" diagonal (16.3 cm) GPSMAP 3010C: 10.4" diagonal (26.4 cm) High resolution, 256-color TFT (640 x 480 pixels), full VGA, with adjustable backlighting Case: Fully gasketed, high-impact plastic alloy, waterproof to IEC 60529-IPX 7 Temp. Range: 5F to 122F (-15C to 50C)
Source: 10-33 V DC Usage: 25 watts max. at 10 V DC Fuse: AGC-3 - 3.0 Amp
GPS Performance (with GPS 17)
Acquisition Times: Warm: Approx. 15 seconds Approx. 45 seconds Cold: AutoLocate: Approx. 2 minutes Update Rate: 1/second, continuous
Receiver: Differential-ready 12 parallel channel WAAS-capable receiver
Appendix > Installing and Removing Data Cards
Installing and Removing Data Cards
The GPSMAP 3006C/3010C uses optional Garmin BlueChart and MapSource data cards. By updating your GPSMAP 3006C/3010C software to version 4.0 or later, you can use optional preprogrammed BlueChart g2 data cards. Insert data cards in the card slots located on the left side of the unit. You can install or remove data cards at any time, whether the unit is on or off. To install a data card:
1. Open the card door by pressing the locking tab on the door toward the outside (left) of the unit and lifting the door open from right to left. 2. Insert the card into the slot, with the label facing to the right and the handle facing toward you. 3. Push the card into the unit. It in not necessary to force the card, and about 1/2" is still exposed when it is properly inserted. If the unit is on, a confirmation tone sounds, and a message appears on the screen noting the card details when the card is properly installed and accepted. 4. Close the cover until it locks.

How Are MMSI Assignments Obtained?
Non-commercial users (recreational users who remain in domestic waters and only carry VHF, EPIRB (Emergency Position Indicating Radio Beacons, and Radar)) are not required to have a FCC ship station license. The FCC and Coast Guard have authorized some second and third-party vendors to assign MMSI numbers. This service is limited to registering recreational vessels only. To receive information on how to obtain a recreational MMSI number, visit www.navcen.uscg.gov/marcomms/gmdss/mmsi.htm or wireless.fcc.gov/marine/. Non-Federal Users in the United States Commercial users, or those who travel outside the U.S.A. or Canada, must apply for a ship station license, or an amendment to a ship station license. To find out if you require a Ship Station license, visit wireless.fcc.gov/marine/fctsht14.html. If your vessel requires licensing by the FCC, you can obtain a MMSI during the application/licensing process when you file FCC Forms 159 and 605.
How Can Garmin Help You with DSC?
To receive Distress Calls or Position Reports, you must have a DSC-equipped chartplotter as well as a VHF radio with DSC support. During normal, nonemergency Position Report communication, Channel 70 (156.525 MHz) has been set aside as the VHF/DSC digital call channel. For a Distress Call, a mariner presses the MayDay button on the VHF radio. The call transmits on an emergency channel with the MMSI number attached to the call (if you have DSC support). Any DSC-equipped mariner (on sea or land) within range can receive the call. Appendix
Appendix > LORAN TD System

LORAN TD System

LORAN-C is a radio navigation aid operated and maintained in the United States by the United States Coast Guard. The LORAN (LOng RAnge Navigation) system covers the entire United States and the U.S. Coastal Confluence Zone. From the perspective of a mariner, the system is used for ocean and coastal navigation. It can be used as a supplemental system for harbor and harbor approach navigation, and it is used for inland navigation by recreational vehicles.
Because the GPSMAP 3006C/3010C unit does not rely on the LORAN signal for navigation, it can reference a different GRI chain or secondary stations and still navigate to the location stored in memory. The LORAN Position Format field is located on the Units sub tab on the Main MenuSystem tab. The Loran TD Setup window contains the fields to select the LORAN Chain Number, Primary and Secondary Stations, and TD Offsets. To set up LORAN TD from the Main Menu:

THE WEATHER DATA SOFTWARE PRODUCT IS PROVIDED AS IS. ALL OTHER WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR OF NONINFRINGEMENT ARE HEREBY EXCLUDED. USER SAFETY If you use XM Services it is your responsibility to exercise prudent discretion and observe all safety measures required by law and your own common sense. You assume the entire risk related to your use of the Services. XM and Garmin assume no responsibility for accidents resulting from or associated with use of the Services. Your Radio Service includes traffic and weather information, and you acknowledge that such information is not for safety for life, but is merely supplemental and advisory in nature, and therefore cannot be relied upon as safety-critical in connection with any aircraft, sea craft or automobile usage. This information is provided as is and XM and Garmin disclaim any and all warranties, express and implied, with respect thereto or the transmission or reception thereof. XM and Garmin further do not warrant the accuracy, reliability, completeness or timeliness of the traffic and weather information disclosed on the Radio Service. In no event will XM and Garmin, their data suppliers, service providers, marketing/distribution, software or Internet partners or hardware manufacturers be liable to you or to any third party for any direct, indirect, incidental, consequential, special, exemplary or punitive damages or lost profits resulting from use of or interruptions in the transmission or reception of the Services. LIMITS ON OUR RESPONSIBILITY a) DISCLAIMERS. EXCEPT AS EXPRESSLY PROVIDED HEREIN, WE MAKE NO WARRANTY OR REPRESENTATION, EITHER EXPRESS OR IMPLIED, REGARDING THE RADIO SERVICE. YOUR USE OF THE SERVICE IS AT YOUR SOLE RISK. THE CONTENT AND FUNCTIONALITY OF THE SERVICE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. ALL SUCH WARRANTIES OR REPRESENTATIONS (INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT) ARE HEREBY DISCLAIMED.
Appendix > European License Requirements
European License Requirements
The following table shows European License requirements for the GMR 20/40, GMR 21/41, and GMR 404/406 marine radar. Austria I Luxembourg Belgium G The Netherlands Czech Republic I Poland Denmark G Portugal Estonia I Slovakia Finland I Slovenia France G Spain Germany G Sweden Greece G United Kingdom Hungary * Cyprus Ireland I Malta Italy G Iceland Latvia I Norway Lithuania G Switzerland I requires an individual license for operation. Gcan be operated under a general license or license exemption.
* This product may require licensing in your country of use. Refer to the national radio or telecommunications office or ministry.