Does the antenna have a clear view of the sky?
The GPS 120XLs Satellite Page will help you determine which satellites are in view and whether or not any satellites are being shaded or blocked from the receivers antenna. By monitoring the signal strength bars at the bottom of the page and the sky view, youll be able to see how moving to another area with a clearer view of the sky will improve satellite reception and speed up signal acquisition.
If there are large buildings or mountains nearby, or if there is heavy tree cover, the receiver may not be receiving enough satellite signals to calculate a position.
Have you selected the right country/state/region from the EZinit list?
Check for the correct approximate lat/lon on the Position Page, or reselect the appropriate country from the list to restart the initialization.
Have you moved more than 500 miles from the last calculated position with the receiver off?
Reinitialize the receiver, selecting the country/state/ region of your new location from the EZinit list. Your unit should now be initialized. If you want to complete the Getting Started Tour at another time, you may now turn the GPS 120XL off (see below) or you may continue.
To turn the GPS 120XL off:
1. Press and hold P for approximately three seconds until the receiver turns off.

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Primary Pages Before we start the tour, lets briefly look at the five primary information pages used for the GPS 120XL. Note: Switch between pages by pressing either the Q or Jkeys.

Primary Pages

Satellite Page The Satellite Page shows satellite positions and signal strength. Satellite positions are displayed using two circles and a center point. The outer circle shows satellites on level with the horizon; the inner circle is 45 above the horizon; and the center point represents satellites directly overhead. Knowing satellite positions will show you the direction of any blocked signals.
Satellite Page The Satellite Page will allow you to monitor satellite signal reception and strength.
The bottom of the page contains a row of signal strength bars corresponding to each satellite being used. Position Page The Position Page shows you where you are, what direction youre heading and how fast youre going. The top of the page contains a compass tape which is a graphic representation of your heading. Your track and speed are indicated immediately below.

The graphic compass tape reflects your heading only while you are moving.

Position Page

The rest of the page shows your current position in three dimensions: latitude, longitude and altitude. A trip odometer and 12/24 hour clock are also provided.

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Map Page The Map Page acts as a window. It allows you to view your position, the path you have traveled over, and nearby waypoints. A diamond icon in the center of the screen represents your current position. As you move, you will see a thin line-- called a track log-- appear along the path you have just covered. Names of stored waypoints can also be shown on the map. The bottom corners of the screen will always display your current track and speed. When going to a waypoint, highlighting an on-screen waypoint, or using the panning target crosshair, the corresponding distance and bearing are shown at the top corners of the screen. Navigation Page A navigation page gives you steering guidance when going to a waypoint. The GPS 120XL has two navigation page choices: the Highway Page and the Compass Page. The Highway Page is the default and will be briefly explained here. The Compass Page is covered on pages 35 and 37. The Highway Page uses a graphic highway to show your movement in relation to your desired course. The upper section shows bearing and distance to the waypoint and your current track and speed. The middle portion contains the actual highway. The highway indicates the crosstrack error, or distance and direction, your are off-course from your waypoint. Always turn in the direction the highway is pointing. For example, if the highway points straight up, no turn is required. If the highway points right, you need to turn right until the highway points straight up. The remainder of the page contains the estimated time enroute (ETE) and your velocity made good (VMG). Menu Page The last primary page is the Menu Page. The Menu Page gives you access to the GPS 120XLs waypoint management, route, track log, and setup features through a list of submenus.
Map, Navigation & Menu Pages
Map Page Shows your progress on a moving track plotter and get a birds-eye-view of surrounding waypoints with the Map Page.
Highway Page With the Highway Page, you will get graphic steering guidance in navigating a route or to a single waypoint.

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Getting Started Tour Now that your GPS receiver has been initialized and you are familiar with the primary pages, its 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. The tour will take you through the receivers basic features and functions as you move about on the water and assumes that the GPS 120XL is turned on, initialized, and that you have not changed any of the factory settings (units of measure, selectable fields, etc.). If these settings have been changed, the pictures and descriptions in this manual may not match what you see on your screen. Navigation Simulator If you are not able to take the Getting Started Tour with your boat in the water, you may use the built-in navigation simulator to practice using the GPS 120XL. To use the simulator, see page 54. Marking a Waypoint To begin the tour, lets take the position you have acquired (either by just initializing the unit or by having turned the unit on) and mark it as a waypoint for future reference.

The Compass Page will now become the displayed navigation page. This page provides a directional pointer to your destination, by using a rotating compass display to show direction of travel. It provides better steering guidance at slower speeds for travel with many directional changes. To switch back to the Highway Page, press ENTER twice.

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Cancelling a GOTO If you decide to stop navigating to the active waypoint, all you have to do is cancel the GOTO.
To cancel an active GOTO:
1. Press the G key. 2. Use the arrow keypad to move the field highlight to the CANCEL GOTO? prompt at the bottom of the page and press F.
Cancelling A GOTO & Clearing Maps
Clearing a Cluttered Map Display After youve used the GPS 120XL for a few trips, you may find that your map display has become a bit messy from keeping track of your every move. For practice, lets clean up the screen by clearing the track log (the plot points left on the Map Page) weve just created during the Getting Started Tour.
1. Press J or Q until the Menu Page appears. 2. Use theD key to move the field highlight to the TRACK LOG option. 3. Press F to access the track log page. 4. Press the U key twice to highlight the CLEAR LOG? option. The clear log confirmation page will appear. 5. Use the L key to highlight the Yes prompt. 6. Press F to finish.
Highlight the CLEAR LOG? prompt and press ENTER to clear the track log. Once all 1024 points are used, the oldest point will be continuously deleted to make room for the latest track log point.
Turning the Receiver Off Youve now gone through the basic operation of your new GPS receiver and probably know a little more than you think about how it works. We encourage you to experiment with the GPS 120XL until it becomes an extension of your own navigation skills. If you encounter any problems using the unit or want to take advantage of the GPS 120XLs more advanced features, refer to the reference section.
1. Press and hold the P key for 3 seconds.
Holding the POWER key for three seconds ensures against accidental shut-off by accidentally pressing the button.

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REFERENCE

Satellite Page

Satellite Page Overview

Status

Satellite Sky View Satellite Sky View

Satellite Numbers

As soon as a satellite has been found and the GPS 120XL is acquiring position data, the satellite number will turn to normal presentation and a hollow bar will appear.
The Satellite Page displays the status of various receiver functions. The status information will help you understand what the GPS 120XL is doing at any given time, and will tell you whether or not the receiver has calculated a position fix. Sky View and Signal Strength Bars The sky view and signal strength bars give you an indication of what satellites are visible to the receiver, whether or not they are being used to calculate a position fix, and the signal quality. The sky view in the center of the page shows a birds-eye view of the position of each satellite relative to the receivers last known position. The outer circle represents the horizon (north up); the inner circle is 45 above the horizon; and the center point is a position directly overhead. When the receiver is looking for a particular satellite, the corresponding signal strength bar will be blank and the sky view indicator will remain highlighted in reverse video. Once the receiver has found the satellite, a hollow signal strength bar will appear, indicating that the satellite has been found and the receiver is collecting data from it. The satellite number in the sky view will also change from reverse video to normal presentation. As soon as the GPS 120XL has collected the necessary data to use the satellite for positioning, the hollow bar will become solid.

Satellites being tracked but blocked from use (03,17) will be displayed in reverse video, with the corresponding signal strength bar hollow.

7/10/98 10:55 AM

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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 120XL is looking for any available satellites in view. AutoLocateTM the GPS 120XL is initializing and collecting new almanac data. This process can take 7.5 to 15 minutes. Acquiring the receiver is collecting data from available satellites, but has not collected enough data to calculate a 2D fix. 2D Nav (2D Navigation) at least three satellites with good geometry have been locked onto and a 2-dimensional position fix (latitude and longitude) is being calculated. 2D Diff will appear when you are receiving DGPS corrections in 2D mode. 3D Nav (3D Navigation) at least four satellites with good geometry have been locked onto, and your position is now being calculated in latitude, longitude and altitude. 3D Diff will appear when you are receiving DGPS corrections in 3D mode. Poor CVG (Poor GPS Coverage) the receiver is no longer tracking enough satellites for a 2D or 3D fix. Not Usable the receiver is unusable, possibly due to incorrect initialization or abnormal satellite conditions. Turn the unit off and back on to reset. SIM (Simulating Navigation) the receiver is in simulator mode. EZinit Option Prompt The Satellite Page also provides access to the GPS 120XLs initialization menu, the EZinit prompt. The EZinit prompt will appear automatically the first time the unit is turned from the factory, after 10 minutes of unsuccessful satellite acquisition, or if you push the ENTER key while viewing the Satellite Page with the unit in searching, AutoLocate, acquiring, simulator, or poor coverage modes. (See pages 6-7 for more on EZinit.)
Receiver Status & EZinit
A POOR CVRG status will appear on the Satellite Page if the receiver has lost the satellites required to compute a fix. Make sure the external antenna is not covered and is connected to the GPS 120XL.
If you travel more that 500 miles with the receiver off, reinitialize the unit to your new position by using the EZinit feature. To access EZinit, press ENTER from the Satellite Page before any satellites are acquired.

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Screen Backlighting The GPS 120XL features three levels of backlighting. Activate the backlight by pressing the POWER key briefly. Each press of the button advances the backlighting to the next level and then turns it off. Backlighting will remain on until turned off. Note: a bulb icon will appear on the Satellite Page when backlighting is on. Position Page The GPS 120XLs Position Page shows you where you are, the direction you are heading, and your speed, and is most useful when you are traveling without an active destination waypoint. A compass tape at the top of the page displays your cardinal heading (while moving), with current track and speed over the ground indicated below. The rest of the page shows your present position in three dimensions (latitude, longitude and altitude). The units of measure for speed, distance, position and altitude are all user-selectable through the navigation setup menu (see pages 48-50). The 12/24 hour clock and time offset options are available from the system setup menu (see page 47). Trip Odometer The Position Page also features a resettable trip odometer to measure your total distance traveled.
To reset the trip odometer:
1. Press the D key until the trip field is highlighted. 2. Press F, followed by L. 3. Press F to finish.
Backlighting & Position Page
The speed and track displayed on the Position Page may fluxuate at slow speeds (or when youre standing still) because of position errors caused by Selective Availability.

Altitude Display

To reset the trip odometer, highlight the trip field and press ENTER. Use the LEFT arrow key to clear the distance field, and press ENTER to confirm.
When the GPS 120XL is acquiring satellites or navigating in the 2D mode, the last known altitude will be used to compute your position. If the altitude shown is off by several hundred feet, you can manually enter your altitude for greater accuracy. Note that GPS altitudes can fluxuate due to errors.
1. Press the D key until the altitude field is highlighted and press F.
2. Use the arrow keypad to enter the altitude and press F.

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Marking and Saving Waypoints Knowing your present position is only part of any navigation equation. You also need to keep track of where youve been and where you are going. Waypoints serve as electronic markers that let you keep track of starting points, destinations, navaids and any other important position. The GPS 120XL allows you to mark, store and use up to 250 waypoints. A waypoint position can be entered by taking an instant electronic fix or by manually entering a coordinate or range and bearing in reference to an existing waypoint. If you try to mark a waypoint without having a position fix, youll be notified with a No GPS Position message.

To create a new waypoint manually, youll need to know its position coordinates or its distance and bearing from an existing waypoint.
To create a waypoint by entering coordinates:
1. If a waypoint is currently displayed in the name field, highlight NEW? and press F. Then press the L key to clear the name field. 2. Use U and D to enter your waypoint name and use L and R to move to the next character position. 3. Press F to confirm the waypoint name. The position field will now become highlighted, with the receivers last known position shown, if one exists. 4. Press F to begin entry of the position.
To create a new waypoint by manually entering coordinates or by referencing an existing waypoint, highlight the NEW? prompt and press the ENTER key.
5. Use the U and D keys to enter your position, and use the L and R keys to move to each character field. 6. Press F to confirm and save your coordinates. The default waypoint comment (UTC date and time of creation) will appear, and the highlight will move to DONE?. 7. Press the F key to return to the Menu Page.

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Reference Waypoints To create a new waypoint manually without knowing its position coordinates, youll need to enter its bearing and distance from an existing waypoint. The GPS 120XL will then calculate the position coordinates for you.

Reference Waypoints

To create a new waypoint by referencing a stored waypoint:
1. Press U until the NEW? field is highlighted. 2. Press F. 3. Enter the name of your new waypoint. 4. Press the F key to confirm the waypoint name. The position field will now become highlighted, with the receivers last known position shown. 5. Press D to move the cursor to the reference field. 6. Press F to begin entry of the reference waypoint or leave this field blank to use your present position. 7. Use the arrow keypad to enter the waypoint name. 8. Press the F key to confirm your entry. 9. Enter the bearing and distance of your new waypoint from the reference waypoint. Remember to use the F key to begin entry and confirm each field. The coordinates will be calculated and saved for your new waypoint. 10. Press the F key (with the done field highlighted) to return to the Menu Page.
The GPS 120XLs advanced waypoint and planning features allow you to create new waypoints and practice navigation without ever leaving the slip. If you create a new waypoint by entering coordinates from a map, you may want to re-mark the waypoints exact position once you get there. To re-define an existing waypoints position coordinates from the waypoint definition page, simply highlight the DST field and press ENTER. Use the LEFT arrow key to set the distance to 0.00, and press ENTER to confirm. The old coordinates will be replaced by the coordinates of your present position (you must have a valid 2D or 3D position fix).

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Editing Existing Waypoints The waypoint definition page also allows you to change the name, coordinates, comment or reference waypoint field for a stored waypoint (Fields shown on page 22).
To edit the name, coordinates, comment, or reference waypoint field:
1. Use U and D to highlight the field you want to edit. 2. Press F to begin entry in the selected field. 3. Enter your new data. 4. Press the F key to confirm your changes.
Editing,Deleting & Renaming Waypoints

Waypoint Comments

The waypoint comment field will automatically display the date and time of creation of the waypoint. You may replace this with a 16-character custom comment at any time.
Each waypoint stored in the GPS 120XL has a userdefined 16-character comment field. The default comment is the UTC date and time of the waypoints creation.
To change or add a comment:
1. Use the U and D keys to highlight the comment field. 2. Press F to begin entry of your comment. 3. Enter the comment and press the F key to confirm.
Renaming and Deleting Waypoints
To access the rename function from the waypoint definition page, highlight the RENAME? prompt and press ENTER.
The rename and delete function fields are located at the bottom left of the waypoint definition page (youll need to use the L key to move the field highlight out of its standard up-and-down scrolling sequence).

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To 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.
Editing and Scanning Waypoints
To delete a stored waypoint:
1. Highlight the DELETE? field and press F. 2. Press the L key to select the YES prompt. 3. Press F to delete the waypoint.
A warning page will ask you for confirmation to delete the selected waypoint. Note: If a waypoint is part of a route, it must be removed before it can be deleted. (See p 34)
Scanning Waypoints As you manually enter a waypoints name, the GPS 120XLs waypoint scanning feature will automatically display the first numerical or alphabetical match of the character you have entered to that point. This helps eliminate the need to always enter a waypoints complete name.
To scan waypoints from a waypoint field:
1. Highlight the waypoint name field and press F. 2. Press the L key to clear the name field. 3. Use the U and D keys to scroll through waypoints. 4. If you have more than one waypoint that begins with the same letter or number, you must use the R key to move to the next character positions as needed. Only the first character match is listed for each name. 5. Once youve found the desired waypoint, press F.

To clear the track log and define a starting point for a TracBack route:
1. From the Menu Page, highlight TRACK LOG. 2. Press F to access the track log page. 3. Use the U key to highlight the CLEAR LOG? option. 4. Press F. A confirmation page will appear. 5. Use L to highlight the Yes? prompt and press F.

TracBack Navigation

Clearing the log before you get started will define the position the TracBack function will return you to.
To activate a TracBack route:
1. From the Menu Page, highlight TRACK LOG option. 2. Press F to access the track log page. 3. Highlight the TRACBACK? option and press F.
Highlight TRACBACK? and press ENTER to begin TracBack navigation.
Once the TracBack function has been activated, the GPS 120XL will take the track log currently stored in memory and divide it into segments called legs. Up to 30 temporary waypoints (e.g., T001) will be created to mark the most significant features of the track log in order to duplicate your exact path as closely as possible. A TracBack route from your present position to the oldest track log point will be created as the active route (the active route page will appear), and provide steering guidance to each waypoint back to the starting point of your track log.

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Tips on Creating and Using the TracBack Feature The GPS 120XLs TracBack feature is designed to help you quickly create and activate a route that follows your path back to a user-defined starting point. To get the most out of the TracBack feature, remember the following tips: Always clear your track log at the exact point that you want to go back to ( truck, dock, etc.). The RECORD option on the track log setup page must be set to the Yes position. There must be at least two track log points stored in memory to create a TracBack route. If there are not enough available waypoints in memory to create a TracBack route, you will be alerted with a waypoint memory full message, and the receiver will use any available waypoints to create a TracBack route with an emphasis on the track log closest to the destination (the oldest track log point in memory). If the CRITERIA option on the track log setup page is set to a time interval, the TracBack route may not follow your exact path (the automatic setting will provide the best TracBack route). If the receiver is turned off or you lose satellite coverage during your trip, the TracBack route will simply draw a straight line between any point where coverage was lost and where it resumed. If the changes of direction and distance of your track log are very complex, 30 waypoints may not be enough to accurately mark your exact path. The receiver will then assign the 30 waypoints to the most significant points of your track. If you want to save a TracBack route, copy route 0 to an open storage route before activating another TracBack. Activating another TracBack or storage route will overwrite the existing TracBack route. Whenever a TracBack route is activated, temporary waypoints (e.g., T001) that are not contained in routes 1-19 are erased. If there are temporary waypoints stored in routes 1-19, the receiver will create any new temporary waypoints using the first three-digit number available.

The TracBack feature will navigate your track log back to the oldest point in the receivers memory.
The track log will be divided into segments with temporary waypoints to create a route back to the beginning of the track log.

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Creating and Navigating Routes The last form of navigating to a destination with the GPS 120XL is by creating a user-defined route. The route navigation feature lets you plan and navigate a course from one place to another using a set of predefined waypoints. Routes are often used when its not practical, safe or possible to navigate a direct course to a particular destination (e.g., through a body of water or impassable terrain). Routes are broken down and navigated in smaller segments called legs. The waypoint you are going to in a leg is called the active to waypoint, and the waypoint immediately behind you is called the active from waypoint. The line between the active to and the active from waypoint is called the active leg.

Route Navigation

Waypoint 2

(active to waypoint)

Active Leg

Waypoint 1

(active from waypoint)
Whenever you activate a route with the GPS 120XL, it will automatically select the route leg closest to your position as the active leg. As you pass each waypoint in the route, the receiver will automatically sequence and select the next waypoint as the active to waypoint.

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Route Definition Page The GPS 120XL lets you create and store up to 20 routes of 30 waypoints each. Routes are created, copied and edited through the route definition page, which is accessed through the Menu Page.
To select the route definition page:
1. Press J until the Menu Page appears. 2. Use the U and D keys to highlight the ROUTES option. 3. Press the F key to display the route definition page. 4. To return to the Menu Page, press J.
Route Number Leg Distance

Defining a Route

If youre heading out without a planned route, the mark function can be used to quickly create a route back to your starting point. Create a series of waypoints along the way with the MARK key and save them to an open route from the mark position page. When youre ready to head back, simply activate the route you created in inverted order (see page 32).

To select a zoom scale (even while panning):
1. Press I or H once for each level of increase or decrease desired. 2. Press and hold down either key to increase or decrease by more than one scale.
Map Zooming, Panning, & Pointing
To activate the pan function:
1. Press the arrow keypad in any direction, including diagonally.
As you begin to move the map, a crosshair will appear. This crosshair will now serve as a target marker for the moving map. The distance and bearing from your present position to the target crosshair will appear in the upper corners of the map. If you are conducting a GOTO at the time you activate the panning function, the crosshair bearing and distance will replace the bearing and distance of the GOTO waypoint. As you pan around the map, youll notice that the target crosshair will point to on-screen waypoints and highlight the waypoint name. Once a waypoint name is highlighted, you can review its waypoint definition page or execute a GOTO function right from the Map Page.
To review the definition page for a waypoint highlighted on the map:
1. Press F. The waypoint definition page will appear. Review and make any desired changes to the highlighted waypoint. 2. When finished, highlight the DONE? field and press F.
To change the map scale, press the IN or OUT key once for each level desired. An on-screen window will display the current zoom scale.
The crosshair will snap to waypoints highlighted on the map, which allows you to quickly review or GOTO the selected waypoint right from the Map Page.

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Zooming, Panning, & Pointing (continued
To go to a waypoint highlighted on the map:
1. Press the G key.The GOTO waypoint page will appear with the waypoints name highlighted. 2. Press the F key to confirm.
Using the Cursor on the Map
To stop the panning function and display your present position:

1. Press the Q key.

Using the Cursor to Mark and GOTO Waypoints
To mark a waypoint with the crosshair, simply pan to the desired position and press the ENTER key.
During panning, the crosshair represents a target position right on the moving map, with the range and bearing to the target displayed at the top corners of the screen.
To mark the target crosshair position as a new waypoint:
The crosshair may also be used to define a GOTO destination by panning to the desired position and pressing the GOTO key. To save the MAP waypoint, rename it, as it will be overwritten by the next MAP waypoint.
1. Press the F key to capture the position. 2. Enter a new name and route number and press F.
You can also use the target crosshair as an instant GOTO destination. This function will mark and instantly set a course for a new waypoint called MAP.
To GOTO the target crosshair:
1. Press the G key to capture the position. 2. Press the F key to confirm the MAP GOTO.

To select a transfer option:
1. Highlight the host field and press F. 2. Use U and D to select a setting and press F.
Chose a HOST field based upon the type of information transfer you want to occur between the two interfacing devices.

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DGPS Interface
To disable all interfacing capabilities, select the None/None setting. If you want to output NMEA data to compatible external devices without any differential input capability, select the None/NMEA setting. Once a NMEA output setting has been selected (with or without RTCM input), the NMEA field will become highlighted. NMEA formats 0180, 0182 or 0183 (1.5 or 2.0) are available.
The NONE/NMEA? setting makes it possible to output data to output information to devices like chartplotters and autopilots.

To select a NMEA format:

1. Press F to begin a NMEA selection. 2. Use U and D to select a format, and press F.
DGPS Interface The last two format settings allow the differentialready GPS 120XL to accept RTCM DGPS corrections in RTCM 104 version 2.0 format. Using DGPS corrections will improve receiver accuracy to 5-10 meters, regardless of errors induced by the U.S. governments Selective Availability (SA) program. The RTCM/NONE format will allow connection to any manually tuned beacon receiver by using the proper output interface. The baud rate is selectable from the GPS 120XL. The RTCM/NMEA selection controls the GARMIN GBR-21 differential beacon receiver. Once a RTCM setting has been selected, the GPS 120XL will either automatically try to tune the last frequency and bit rate you selected or will switch to the default frequency of 304.0 kHz with a bit rate of 100 bps if no previous beacon has been tuned. You may also enter your own frequency and bit rate if desired.
The selectable baud rate is available for all RTCM interface options.

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DGPS Interface (continued)
To enter a DGPS beacon frequency:
1. Highlight the freq field and press F. 2. Enter the desired frequency and press F. 3. Highlight the rate field and press F. 4. Use U and D to select the desired transmission rate. 5. Press the F key to confirm your entry.
DGPS Interface & System Setup
When the GPS 120XL is receiving DGPS corrections from the GBR-21, the beacon receiver section of the I/O setup page will display the beacon frequency and signal strength, as well as the distance from the transmitter to the beacon receiver. At the bottom of the beacon receiver field, a status message will keep you informed of DGPS activity: A Tuning message will be displayed while a beacon signal is being tuned. Once the beacon signal has been tuned, a Receiving message will be displayed. If a beacon signal is tuned and no corrections are being received, a No Data message will be displayed. If a beacon signal cannot be tuned, a No Status message will be displayed. The GPS 120XL will also display one of three alert messages concerning DGPS operation through the message page: No DGPS Position not enough data is available to compute a DGPS position. No RTCM Input the beacon receiver is not properly connected or the baud rates do not match. RTCM Input Failed DGPS data was being received but has been lost.

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The GPS 120XL is constructed of high quality materials and should not require user maintenance. Should your unit ever need repair, please take it to an authorized GARMIN service center. The GPS 120XL has no user serviceable parts. Never attempt any repairs yourself. To protect your GPS, never allow gasoline or other solvents to come in contact with the case or screen. Clean the case and screen with a soft cloth and a household window cleaner. PHYSICAL Case: Size: Weight: Gasketed construction 4.9H x 5.3W x 2.4D (15.6 x 5.1 x 1.23 cm) Less than 1 lb. (454g) Temperature Range: 5 to 158F (-15 to 70C) PERFORMANCE Receiver: Acquisition Time: Differential-ready MultiTrac8 Approx. 20 seconds (warm) Approx. 2 minutes (cold) Approx. 7.5 minutes (AutoLocate) Update Rate: Position Accuracy: Velocity Accuracy: Dynamics: POWER Input: Usage: 10-40v DC 2 watts 1/second, continuous
5-10 meters (16-33 ft.) with DGPS corrections* 15 meters (49 ft.) RMS** 0.1 knot RMS steady state, 99 knots max. Performs specification to 3gs
Specifications subject to change without notice
* With optional GARMIN GBR 21 Beacon Receiver Input.
** Subject to accuracy degradation to 100m 2DRMS under the U.S. DOD-imposed Selective Availability Program.

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APPENDIX C
Messages & Time Offsets
The GPS 120XL uses a flashing on-screen message to alert you to important information. Whenever the message indicator appears, press the PAGE key to view the message page. There are two types of messages: temporary alerts and condition alerts. Temporary alerts are cleared from the message page after viewing, while condition alerts remain on the message page until the condition has been resolved. Pay careful attention to all messages for your own safety.
Active WPT Cant be DeletedYou have attempted to change the active to or active from waypoint. Clear the active route or GOTO before making your changes. Accuracy has been DegradedThe accuracy of the GPS 120XL has been degraded beyond 500 meters due to poor satellite geometry or data quality. You should check other navigational sources to verify the position indicated. Already ExistsThe name you are entering already exists in the GPS 120XLs memory. ApproachingYou are one minute away from reaching a destination waypoint. Battery Power is LowThe batteries are low and should be replaced. No DGPS PositionNot enough data is available to compute a DGPS position. No RTCM InputBeacon receiver is improperly connected or baud rates do not match. Poor GPS CoverageThe GPS 120XL cannot acquire the necessary number of satellites to compute a position. Try another location with a clearer view of the sky. Power Down and Re-initThe GPS 120XL is not able to calculate a position due to abnormal satellite conditions. Turn the unit off and verify the last position shown by other means. Try the unit again later, possibly in a different location. Read Only Mem has FailedThe permanent memory has failed and the unit is not operable. Take your unit to an authorized GARMIN dealer for repairs. Received an Invalid WPTA waypoint was received during upload transfer that has an invalid identifier. Receiver has FailedA failure in receiver hardware has been detected. If this message persists, do not use the unit and take it to an authorized dealer for repair. Route is FullYou have attempted to add more than 30 waypoints to a route. Route is not EmptyYou have attempted to copy into a route already in use. Route Waypoint Cant be DeletedThe waypoint you are trying to delete is part of a route. Delete the waypoint from the route before removing it from memory. Route Waypoint was DeletedA route waypoint entered does not exist in the database and has been deleted from the route. RTCM Input has FailedDGPS data being received has been lost. You are no longer receiving the beacon signal. Searching the SkyThe GPS 120XL is in searching the sky for almanac data or the unit is in AutoLocateTM mode.

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Pico De Las Nv Ptcairn Ast 67 Prov S Am 56
Prov S Chln 63 Puerto Rico Qatar National Qornoq Reunion Rome 1940 RT 90 Santo (Dos) Sao Braz
Nahrwn- Masirah Island (Oman) Nahrwn- Saudi Arabia Nahrwn- United Arab Emirates Naparima BWI- Trinidad and Tobago Observatorio 1966Corvo and Flores Islands (Azores) Old Egyptian- Egypt Old Hawaiian- Mean Value Oman- Oman Old Survey Grt BritnEngland, Isle of Man, Scotland, Shetland Isl., Wales Canary Islands Pitcairn Astro 67Pitcairn Isl. Prov So Amricn 56Bolivia, Chile,Colombia, Ecuador, Guyana, Peru, Venezuela Prov So Chilean 63- S. Chile Puerto Rico & Virgin Islands Qatar National- Qatar Qornoq- South Greenland Reunion- Mascarene Island Rome 1940- Sardinia Island Sweden Santo (Dos)- Espirito Santo Island Sao Braz- Sao Miguel, Santa Maria Islands (Azores)
Sapper Hill 43 Schwarzeck Sth Amrcn 69
Sapper Hill 1943- East Falkland Island Schwarzeck- Namibia South American 69Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Guyana, Paraguay, Peru, Venezuela, Trinidad and Tobago

South Asia SE Base

South Asia- Singapore Southeast Base- Porto Santo and Madiera Islands

SW Base

Southwest Base- Faial, Graciosa, Pico, Sao Jorge and Terceira Islands (Azores)

Timbalai 1948

Timbalai 1948- Brunei and E. Malaysia (Sarawak and Sabah)
Tokyo Tristan Ast 68 Viti Levu 1916 Wake-Eniwetok WGS 72 WGS 84 Zanderij
Tokyo- Japan, Korea, Okinawa Tristan Astro 1968Tristan da Cunha Viti Levu 1916- Viti Levu/ Fiji Islands Wake-EniwetokMarshall Isl. World Geodetic System 1972 World Geodetic System 1984 Zanderij- Surinam

Page 65

A Activating and Inverting Routes.32 Active Route Page.32 Alarms Setup.53 Almanac Data.2 Altitude Display.18 Anchor Drag Alarm.53 Arrival Alarm.53 B Backlighting.18 Bearing.2 C CDI Alarm.53 CDI Scale Settings.49 Cancelling a GOTO.15 Caution.iv Clearing a Cluttered Map Display.15 Compass Page.37 Copying and Clearing Routes.31 Course Made Good (CMG).2 Creating and Navigating Routes.29 Crosstrack Error (XTE).2 D DGPS Interface.44 Date and Time Setup.46 Desired Track (DTK).2 Differential GPS (DGPS).2 Distance and Sun Calculation.41 E EZinit Option.17 Editing Existing Waypoints.24 Editing Routes.33 Estimated Time Enroute (ETE).2 Estimated Time of Arrival (ETA).2 G GPS Antenna.55 Getting Started Tour.10 Glossary.2 Going To a Waypoint (GOTO).13 Grid.3 Ground Speed.3

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SUPPLY VESSEL // M/V EAGLE RIVER SUPPLY VESSEL // M/V EAGLE RIVER

R E G I S T R AT I O N

Operator Official Number Builder Flag Delivered Classification Gross Tonnage Net Tonnage Intl Gross Ton Intl Net Ton

DIMENSIONS

Trico Marine Operators, Inc. 667650 Halter Marine, Inc. USA 1987 USCG,ABS(Hull&MachClass) 85 x 34 with winch 120 x 34 less winch 610 long tons 105,439 gals. 230,995 gals. 4,300 cu. ft. 2 1,843 bbls. 4 Two (2) EMD 16-645-E2 HP - 3,800 Reintjes Three (3) 12V71 GM 150 KW Delco Bird Johnson 10-300 hp 19 Persons Walk-in, 600 cu. ft. One (1) furuno FR 8050 One (1) Furuno FCR 1411-2 Two (2) Standard Horizons Furuno Video Display Sperry 8T Two (2) Standard Horizon L-H10 One (1) Furuno Navigator GP7 Mark 2 One Garmin GPS 120 XL SEA 300 A-3 ACR 406 This specification is preliminary and subject to change without notice. Exact tank capacities, deadweight, deck cargo capacity and other figures that have been calculated and may change when the actual vessel is delivered.

O T H E R F E AT U R E S

M/V Eagle River
Length Beam Depth Light Draft Maximum Draft Clear Deck Area Boarded Deck Area

CAPACITIES

Dopler Speed Log (Furuno) FR 8050 Furuno D-FAX 207 Weather Fax One (1) Sea 222 SSb Radios with Necoder One (1) Stevens GMDSS System w/ Console Two (2) Furuno AD Converters AD-105 Guro Repeaters
Deck Cargo Cargo Fuel Pot./Ballast Water Bulk Mud No. Tanks Liquid Mud No. Tanks

MACHINERY

Main Engines Reduction Gears Generators Bow Thruster
A C C O M M O D AT I O N S
Certified To Carry State Rooms Berths Cooler & Freezer Radars Radios Fathometer Auto Pilot Loudhailer GPS
N AV I G AT I O N / C O M M U N I C AT I O N S

GMDSS EPIRB