Garmin GPS 150XL Pilot's Manual & Reference
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Garmin GPS 150XL Pilot's Manual & Reference

Garmin GPS 150XL Pilot's Manual & Reference

Garmin gps 150xl: user guide
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  • Page 1 G P S 1 5 0 X L P i l o t ’ s G u i d e a n d R e f e r e n c e...

  • Page 3: Foreword

    GARMIN. Information in this document is subject to change without notice. GARMIN reserves the right to change or improve their products and to make changes in the content of this material without obligation to notify any person or organization of such changes or improvements.
  • Page 4 (NAVAID), any NAVAID can be misused or misinterpreted and therefore become unsafe. Use the GPS 150XL at your own risk. To reduce the risk of unsafe operation, carefully review and understand all aspects of this Owner’ s Manual and thoroughly practice using the simulator mode prior to actual use.
  • Page 5 Accessories & Packing List Congratulations on choosing the finest, most advanced panel mount VFR GPS receiver available. The GPS 150XL represents GARMIN’ s commitment to provide an accurate, easy-to-use GPS for all of your aviation needs. Before installing and getting started with your unit, please check to see that your package includes the following items.

  • Page 6: Warranty

    (913) 397-8200 FAX (913) 397-8282 Every GARMIN GPS is built to exacting standards to provide years of trouble-free service. GARMIN warrants this product to be free from defects in materials and workmanship for one year from the date of purchase.

  • Page 7: Table Of Contents

    GPS 150XL Takeoff Tour ........1-9...

  • Page 8: Table Of Contents

    Appendix C: Simulator ........84 Appendix D: GPS 150XL Messages and Abbreviations ....86 Appendix E: Specifications .

  • Page 9: Key And Knob Functions

    In general, using the knobs will decrease key- strokes and time spent using the GPS 150XL. Experiment to find the most effective way to use the GPS 150XL to your advantage.
  • Page 10 The message key is used to view system messages. This key is also used to access the GPS 150XL’ s unit settings. See Section 5 for more information on messages and unit settings. The direct-to key performs an instant direct-to, allows you to enter a waypoint, and sets a direct course to the destination.
  • Page 11 The Takeoff Tour assumes that the receiver and antenna have been properly installed and you have not changed any of the GPS 150XL’ s default settings. If you have changed any of the factory default settings (position format, units of measure, selectable fields, etc.), the pictures shown here may not match your configuration.

  • Page 12: Acquiring Satellites

    This is a good indication that you are receiving signals and satellite lock will occur. Following the first-time use of your GPS 150XL, the time required for a position fix will vary — usually from two to five minutes.
  • Page 13 • Present Position— Latitude and longitude displayed in degrees/minutes • Reference Waypoint— The bearing and distance to the nearest airport The position page is one of seven pages available under the GPS 150XL’ s N key: • NAV summary page •...

  • Page 14: Direct-To Navigation

    The GPS 150XL uses direct point-to-point navigation to guide you from takeoff to touchdown in the VFR environment. Once a destination is selected, the unit will provide speed, course and distance data based upon a direct course from your present position to your destination.
  • Page 15 In addition to the destination field and graphical CDI, the GPS 150XL NAV summa- ry page features five selectable fields for various navigation data so that the page may be configured to your own preferences (see Section 1 for more information). The default settings for the NAV summary page are: •...
  • Page 16 TAKEOFF TOUR Map Page The map display may be oriented along your ground track (track up), course (desired track up) or fixed at north up. Desired track up or north up settings show your present position with a dia- mond symbol instead of the airplane symbol. Distance and bearing to waypoint, destination waypoint name and desired track are shown on the left hand side of the map page.

  • Page 17: Navcom Page

    2. Press to decrease the map scale and show a smaller area (or turn Another page available under the GPS 150XL’ s N key is the navigation communications (NAVCOM) page. It provides you with a complete list of airport fre- quencies at your departure and arrival airports, allowing convenient selection of fre- quencies you’ll need along your flight path.

  • Page 18: Nearest Waypoints

    To view additional nearest airports, rotate the K knob. The GPS 150XL’ s T key provides the nine nearest airports, VORs, NDBs, inter- sections, user waypoints and any SUA (special use airspace) alerts, as well as the two closest FSS (Flight Service Station) and center (ARTCC) frequencies for your present position.
  • Page 19 2. Press to confirm. Congratulations! You’ve now gone through the basic operation of the GPS 150XL. We encourage you to experiment with your new GPS receiver to get to know all the advanced navigation features it has to offer. If you’d like a little more practice, try using the built-in simulator described in Appendix C.
  • Page 20 Whenever the N key pages are in use, the indicator light (U) next to the N key will illuminate. If the GPS 150XL requires you to enter data on a navigation page, a message prompt with specific instructions will appear and the indicator will flash. If you leave the NAV page sequence for another set of pages, the last NAV page dis- played will reappear when you return to the nav sequence.
  • Page 21 CDI field will display a ‘no active waypoint’ message, and only speed and track data will be available. The CDI field is also used to display the GPS 150XL’ s turn anticipation and waypoint alert data during route operations (see Section 4).
  • Page 22 NAV KEY SECTION Configuring the NAV Summary Page NORTH NORTH WPT 1 The following functions may be displayed in the distance field: • dis— Distance from present position to the ‘active to’ waypoint. • str— Steer direction and distance, or digital crosstrack error. An ‘L’ or ‘R’ indicates which direction to steer, while the distance value indi- cates how far you are off course.
  • Page 23 Data Fields The next page available from the GPS 150XL’ s N key is the map page. The map page displays your present position, using an airplane symbol (in track up mode) or a position diamond (in other orientation modes), along with nearby airports, VORs, NDBs, intersections, user waypoints and airspace boundaries.
  • Page 24 SECTION NAV KEY Map Page To change the map scale press the increase the scale or to decrease the scale. The map display can be set to 14 different scale settings from 0.5 to 300 (nautical miles, statute miles or kilometers). The scale represents the top-to-bottom distance covered by the map display.
  • Page 25 The next page available from the GPS 150XL’ s N key is the navigation communi- cations (NAVCOM) page. The NAVCOM page provides a list of the airport frequencies at your departure and arrival airports, allowing convenient selection of frequencies you’ll need along your flight path.
  • Page 26 ‘tx’ – transmit only ‘pt’ – part time frequency The GPS 150XL position page displays the graphical CDI along with your present latitude and longitude, altitude and a reference waypoint field. The altitude and refer- ence waypoint fields are selectable to configure the page to your own preferences and current navigation needs.

  • Page 27: Reference Waypoints

    This configuration can be used to help monitor your distance and radial from a waypoint of your choice. (Note: the waypoint cate- gory is listed as ‘wpt’ rather than ‘VOR’ because the GPS 150XL is not using the nearest VOR.)
  • Page 28 Dilution of Precision (DOP) measures relative accuracy from 1 to 10. The GPS 150XL’ s satellite status page provides satellite information to monitor GPS coverage and receiver performance. This is helpful when you may be experienc- ing low signal levels due to poor coverage or installation problems.
  • Page 29 The receiver status field, located on the second line (left side) of the page, will display the following messages under the appropriate conditions: Search Sky - The GPS 150XL is searching the sky for visible satellites. You will be informed with the message ‘Searching the Sky’.
  • Page 30 SECTION NAV KEY Satellite Data Page Viewing individual satellite information. The third and fourth lines of the satellite status page provide the satellite number and signal strength of each satellite in view. The satellite status page shows signal strength for up to eight satellites at a time. If additional satellites are being received an arrow on the ‘sat’...

  • Page 31: Trip Planning

    In addition to the five other navigation pages, the GPS 150XL features two menu pages to perform a host of planning and navigation functions. NAV Menu 1 provides access to the following functions: • Trip Planning • Density altitude/true airspeed calc.

  • Page 32: Density Altitude

    NAV KEY SECTION Density Altitude & True Airspeed Density altitude/true airspeed page Fuel planning page showing calculation from pre- sent position to ‘KDAL’. The density altitude/true airspeed function is also accessed from NAV Menu 1. Density altitude is the theoretical altitude at which your aircraft will perform depending on several environmental conditions, including air pressure and total air temperature (the temperature including the heating effect of speed, read on a standard outside tem- perature gauge on most aircraft).
  • Page 33 Press The GPS 150XL will calculate the range and endurance (i.e., how long the fuel will last) of your aircraft. These are found in the first field on the bottom row of the page.

  • Page 34: Winds Aloft

    Winds aloft page Vertical navigation page The GPS 150XL’ s winds aloft function is used to calculate the true direction and speed of the any winds, and indicates whether you are flying with a head wind or tail wind, and the wind speed.
  • Page 35 9. Press to activate the vertical navigation function. If you enter a value greater than the value computed by the GPS 150XL, the time remaining before the maneuver is to begin will be displayed. When the countdown reaches 15 seconds, you will be informed with the message ‘Start altitude chng’. The VNAV func- tion will automatically be cancelled if the active direct-to or route is changed in any way, and you will be informed with a ‘VNAV cancelled’...
  • Page 36 1. To delete a checklist item, highlight the desired item and press 2. To delete an entire checklist, highlight the desired list and press The GPS 150XL’ s NAV Menu 2 provides access to various timer and planning func- tions, including: •...
  • Page 37 The GPS 150XL’ s trip timer will automatically keep track of the duration of your current trip and can be configured to run when the GPS 150XL is on, or only when your ground speed exceeds a specified value (see Section 5).

  • Page 38: Raim Prediction

    7. Press to compute information. When the computations are complete, the GPS 150XL will display whether or not RAIM is available for the specified waypoint at the specified date and time. Refer to the table on page 72 for specific RAIM protection limits as they relate to CDI scale figures.
  • Page 39 ‘Change oil’ to be displayed in 30 hours, the message ‘Change oil’ will be displayed after the GPS 150XL has been running in Normal mode for 30 hours. After appearing, the message will be displayed each time the GPS 150XL is turned on until it is changed or deleted. To enter a scheduled message: 1.
  • Page 40 Sunrise/sunset planning page showing UTC (Zulu) sunrise and sunset times for ‘KROG’. The GPS 150XL’ s sunrise/sunset planning function allows you to calculate the time of sunrise or sunset at any waypoint or your present position for a specified date.

  • Page 41: Section 2: Waypoint And Database Information ( W Key)

    Waypoint information is available through four primary waypoint pages accessible from the GPS 150XL’ s W key. The waypoint pages may be scrolled through by pressing the W key and rotating the outer knob until the desired page is displayed, or by press- ing the W key repeatedly.

  • Page 42: Waypoint Categories

    The airport position page shows the position, field elevation and available fuel types for the selected airport. The GPS 150XL organizes waypoints into one of five waypoint categories for your convenience. Each waypoint category provides different types of detailed information for a selected facility: •...

  • Page 43: Entering Waypoints

    5. Use to enter the location or the name, and press As the information is entered, the GPS 150XL will display any entries in its data- base that match the letters you have entered. If duplicate entries exist for the entered identifier, name or location, additional entries may be viewed by rotating K.

  • Page 44: Airport Information

    Once a waypoint category and identifier have been selected, the GPS 150XL will provide extensive information through a set of waypoint pages for the selected cate- gory. The pages available for each waypoint category are presented here in the order they appear on the waypoint menu page: airports, VORs, NDBs, intersections and user waypoints.
  • Page 45 The GPS 150XL features five airport pages: airport identification— allows entry of desired airport by identifier, facility name or city; displays region and/or country of facility. airport position— allows entry of desired airport by identifier; displays latitude, longitude and elevation; indicates usage and fuel availability;...
  • Page 46 Elevation— In feet or meters Usage/Fuel— If the airport is for military use, it will display ‘military’. If it is private, the GPS 150XL will display ‘private’. If it is a public airport, it will display the fuel type(s) available: •...
  • Page 47 The airport communication page displays the radio frequencies and usage for the selected airport, as well as sector and altitude restrictions. To view the communication page from any of the airport information pages: 1. Rotate with the cursor removed to display the communication page. 2.
  • Page 48 WPT KEY SECTION Airport Runway Page Airport runway page for KICT. To view additional runways, rotate the the direction of the arrow prompts. The airport runway page displays runway designations, length, surface and lighting for the selected airport, as well as ILS/localizer and/or pilot-controlled lighting frequencies.

  • Page 49: Vor Information

    VOR Information The GPS 150XL features three VOR waypoint pages: VOR identification— allows entry of desired VOR by identifier, facility name or city; displays region and/or country of facility. VOR position— allows entry of desired VOR by identifier; displays latitude, longitude and frequency; provides magnetic variation, weather broadcasts and DME/TACAN information.

  • Page 50: Ndb Information

    NDB Information NDB Position Page The GPS 150XL also uses identification, position and comments pages for NDB information. The NDB waypoint pages are used in the same manner as VOR pages: NDB information is accessed by entering the desired facility’ s identifier, city or name (see page 33) on the NDB identification page.
  • Page 51 Intersection Information Intersection Position Page The last database waypoint category available is intersections. Two intersection pages are available: intersection position and intersection comments. Intersections may be entered by identifier only (not city or name) on either intersection page. To scroll through the intersection pages: 1.
  • Page 52 In addition to the airport, VOR, NDB and intersection waypoints contained in your NavData® card, the GPS 150XL allows you to store up to 1,000 user-defined way- points. Once a user waypoint is created, two user waypoint pages will display the fol- lowing information: •...

  • Page 53: User Waypoints

    If the waypoint identifier entered does not exist, you will be prompted to select a method to enter the new waypoint’ s position into memory. If the waypoint exists (i.e., you’re just reviewing or editing a user waypoint), skip step 4 and move on to the next set of instructions.
  • Page 54 To create a user waypoint from your present posi- tion, leave the reference waypoint field blank and enter a bearing and distance from your present position. The GPS 150XL will calculate the new waypoint’s coordinates automatically. To enter/edit a user waypoint position from a reference waypoint: 1.

  • Page 55: Creating Waypoints

    This will display the ‘Save waypoint’ screen, which will allow you to rename the waypoint and choose the route to which it should be added. The GPS 150XL will assign the next available three-digit number as the default waypoint name, preceded by a ‘+’...

  • Page 56: Proximity Waypoints

    ‘Proximity overlap’. This message will be displayed each time you turn on the GPS 150XL for as long as the overlap remains. Warning: If you enter the overlap area you will only be informed of the nearest proximity waypoint.

  • Page 57: User Waypoint

    The third page available from the GPS 150XL’ s W key is the user waypoint list, which can be used to quickly scan, review, rename or delete user waypoints. To display the user waypoint list: 1. Press and use to display the user waypoint list.

  • Page 58: Waypoint Comments

    Entering waypoint comments Waypoints with comments page The last page available through the GPS 150XL’ s W key is the waypoints with comments page, which lists all waypoints that have a user comment. User com- ments may be added to 250 waypoints stored in the user or NavData allow you to note two lines of special information concerning a particular waypoint.
  • Page 59 The GPS 150XL’ s extensive waypoint database makes it possible for several way- points to share the same identifier. To ensure that you are selecting the waypoint desired, the GPS 150XL will always offer the waypoint confirmation page (which shows the waypoint’ s position) when an identifier is entered for a particular function.

  • Page 60: Waypoint Scanning

    (identifier, facility or city name). 5. Use to enter the letters of the identifier, city or facility name. The GPS 150XL will scan the database and display the first waypoint that matches your entry. 6. Press to accept the waypoint, and function being used.

  • Page 61: Section 3: Nearest Waypoints ( T Key)

    (ARTCC/FIR) points of communication, plus alert you to any Special Use Airspace (SUA) you may be in or near. The T key can be used in conjunction with the GPS 150XL’ s direct-to function to quickly set a course to a nearby facility in case of an in-flight emer- gency.
  • Page 62 O. Rotating O continuously to the left will stop page selection on the nearest airport category. The next page available under the GPS 150XL’ s T key is the SUA (special-use air- space) alert page. The SUA alert page will alert you to as many as nine controlled or restricted airspaces near or in your flight path, according to the following conditions: •...
  • Page 63 To toggle between the SUA name and controlling agency display: 1. Rotate one stop in either direction. If the SUA name or controlling agency is too long to fit on the display, the GPS 150XL will automatically scroll to display the rest of the information. Alert type...
  • Page 64 SUA Messages SUA alert page Frequency information for SUA. If the informa- tion is too long to fit on the display, the GPS 150XL will automatically scroll to display the rest of the information. The following SUA types can appear in the SUA type field:...
  • Page 65 All SUA alert messages except for prohibited areas may be turned on or off through the GPS 150XL’ s unit settings options, found under the M key (see page 78). Alerts for prohibited areas will always be displayed, regardless of unit settings or operating mode.

  • Page 66: Section 4: Direct-To ( D Key) & Route Navigation ( R Key)

    ACTIVE LEG KTUL As you pass each waypoint in the route, the GPS 150XL’ s automatic leg sequenc- ing and turn anticipation features will automatically select the next waypoint as the ‘active to’ waypoint and provide smooth steering guidance around the turn. If you are not currently navigating a particular route leg (e.g., your starting position is not a...
  • Page 67 1. Place the cursor over the destination field on the NAV summary page. 2. Press \. The destination field will go blank. 3. Press E. The GPS 150XL will resume navigating Route 0 (the active route) if available. to accept the direct-to confirmation page.
  • Page 68 4. Press to accept the course, and The GPS 150XL will now use the selected course for your CDI and DTK steering guidance. To reset the course to a GPS-calculated course from your present position, simply press D, followed by E.
  • Page 69 The GPS 150XL lets you create up to 20 routes (numbered 0 through 19), with up to 31 waypoints each. Routes are created, copied and edited through the R key, which features two route pages selectable from the GPS 150XL’ s outer knob: the active route page and the route catalog page.

  • Page 70: Editing Routes

    ROUTES SECTION Creating & Editing Routes Selecting the route edit function. Adding a waypoint to route 1. The route action field, located at the top right of the page, is used to select the desired route operation. The following functions are available: •...

  • Page 71: Activating Routes

    ‘activate?’. Press After travelling a route or creating a route with the GPS 150XL’ s AutoStore feature, the route activation field may be used to activate the route in reverse order. To activate a route in reverse order: 1.

  • Page 72: Copying Routes

    ROUTES SECTION Copying Routes CPA Function Calculating closest point of approach. Closest point of approach to ‘TXK’. The route action field also features a copy function that permits you to copy any route to another open storage route. The copy function can be used to save the con- tents of the active route (route 0) to an open storage route.
  • Page 73 The GPS 150XL’ s search and rescue function provides navigation guidance for search and rescue operations, navigating in a ladder pattern to maximize coverage and efficiency. This is done in reference to two waypoints called ‘anchor waypoints’. The first leg will be a specified distance from the line connecting the anchor waypoints.

  • Page 74: Parallel Track

    During route navigation, it is sometimes desirable to navigate a specified distance away from the ‘active leg’ to help avoid certain airspaces or regions. The GPS 150XL’ s parallel track feature will automatically guide you along a selected offset from the active leg.
  • Page 75 Flying and Modifying the Active Route Once a route has been created and activated, the GPS 150XL will provide naviga- tion to each route waypoint through the active route and NAV summary pages. From the active route page, you may also create and modify the active route. The NAV sum-...

  • Page 76: Inserting Waypoints

    ROUTES SECTION Active Route Page Inserting Waypoints Active route page with cumulative distance (cum) and desired track (dtk) displayed. Active route page with leg distance and estimated time enroute displayed. The leg field can be selected to display cumulative distance or the distance for each route leg.
  • Page 77 ‘ok?’ prompt on the waypoint confirmation page. The GPS 150XL will now provide guidance to the selected waypoint and resume navigating the remainder of the route in sequence once you arrive at the next destina- tion waypoint. The waypoint sequencing field, located at the bottom left of the direct-to confirmation page, allows you to select manual or automatic waypoint sequencing of route waypoints.
  • Page 78 The GPS 150XL will automatically sequence to the next leg when you are abeam the ‘active to’ waypoint on the curved transition segment, and the to/from indicator on the CDI will flip momentarily.

  • Page 79: Section 5: Messages And Unit Settings ( Key)

    Section 5 Messages and Unit Settings The GPS 150XL’ s M key provides access to system messages and allows you to customize the unit to your own preferences through a settings submenu. Whenever the GPS 150XL needs to alert you to a navigation or system message, the annunciator light (U) next to the M key will flash.
  • Page 80 The GPS 150XL’ s map page is designed to be a flexible tool that can be custom- tailored to your navigation needs. The map setup page provides access to many of the features and functions that will help you configure the map page to your own preferences.
  • Page 81 The map setup page also allows you to control whether or not the various way- point types and the identifiers for these waypoints are displayed. Settings for each waypoint type allow you to select the maximum scale at which that feature should be displayed, or you may turn that waypoint type off for all scales.

  • Page 82: Unit Settings

    30 nm of a departure airport. Note that the GPS 150XL uses Receiver Autonomous Integrity Monitoring (RAIM) to cross-check its position.

  • Page 83: Magnetic Variation

    ‘user’ setting will correct information to an entered value. The GPS 150XL’ s arrival alarm can be set to notify the pilot with a message when you have reached a user-defined distance to a final destination waypoint (the direct-to way- point or the last waypoint in a route).
  • Page 84 During this time, the GPS 150XL will continue to navigate and track satellites, but will not backlight the display until a key is pressed or a knob is turned.

  • Page 85: Display Settings

    To change the display contrast settings: 1. Press and hold and rotate to show the ‘Display’ page. 2. Press and use to select ‘auto’ or ‘manual’ control. 3. Press 4. If ‘manual’ is selected, use to set the display contrast level. (If ‘auto’ is selected you may also change the offset level to your preference.) 5.
  • Page 86 UNIT SETTINGS SECTION Backlighting Trip Timer The backlight intensity settings page is used to set/adjust the screen backlighting for day or night operation. Trip timer settings, showing timer active when ground speed exceeds 100 knots. To change the backlighting intensity: 1.

  • Page 87: Units Of Measure

    The GPS 150XL can be configured to display data in standard or metric units of measure. These apply to: distance, position, speed, altitude, fuel, pressure and temperature. To change the units of measure: 1. Press and hold and rotate to display the nav units page.

  • Page 88: Altitude Buffer

    UNIT SETTINGS SECTION SUA Settings Altitude Buffer The SUA settings page with all airspace alerts enabled and the altitude buffer set to 100 meters. The SUA settings page with ‘other’ airspaces dis- abled and the altitude buffer set to 500 feet. The Special Use Airspace settings page will allow you to turn the controlled/ restricted airspace message alerts on or off.

  • Page 89: Map Datums

    By default, your unit calculates positions using the WGS 84 map datum. If you are using charts based on another datum, you must set the GPS 150XL to use the same datum. Using a map datum that does not match the charts you are using can result in significant differences in position information.
  • Page 90 I/O Settings I/O page settings The last page available under the GPS 150XL’ s setup menu is the I/O setup page. The I/O setup page lets you configure the GPS 150XL to input RTCM SC-104 correction data, output to an RS-232 mapping device or a PC (with the optional GARMIN PC Kit or other mapping software) and select the appropriate baud rate.
  • Page 91 The NavData card supplied with your GPS 150XL can be installed or removed when the GPS 150XL is on or off. Insert the card with the thumb tab at the top, and the beveled corner at the bottom. If the NavData card is not present when the unit is powered on, you will receive a ‘No Jeppesen database’...
  • Page 92 7. To continue with more data transfer types, repeat steps 4, 5 and 6. Otherwise, press E when ‘ok?’ is highlighted. 8. Turn the GPS 150XL off and replace the user data card with a NavData card. The GPS 150XL is now ready for normal operation.
  • Page 93 2. Rotate the wrench counterclockwise until it stops to ensure the pawl latch is in the proper position. 3. Insert the GPS 150XL into the aviation rack and rotate the wrench clockwise to secure the unit. To ensure proper connector seating, gently press on the left side of the unit until tightened.
  • Page 94 Operating mode page Selecting the simulator mode. The GPS 150XL’ s simulator mode allows you to plan and practice flights in your home and office using an optional remote battery pack or AC adapter. The simula- tor is not accessible when the GPS 150XL is running off the master avionics switch.
  • Page 95 4. Press to confirm the ‘ok?’ prompt. The position page will now appear, and you may now use most of the GPS 150XL navigation features for practice and planning. You’ll also receive a ‘Do not use for nav’ message to remind you that the simulator mode should never be used for actual navi- gation.
  • Page 96 Appendix D GPS 150XL Messages and Abbreviations The GPS 150XL uses the Message Page to communicate important information to you. Some messages are advisory in nature, others are warnings that may require your intervention. This appen- dix provides a complete list of GPS 150XL messages and their meanings.
  • Page 97 Configuration reset - The GPS 150XL has detected a failure in its installation configuration memory. Data from the user memory has been used to reset the configuration. Check the installation settings for correctness. If the message persists, the unit is not usable and should be taken to an authorized service center for repair.
  • Page 98 - The parallel track distance is too large for the active route. Osc needs adjustment - The GPS 150XL has detected excessive drift in its internal crystal oscillator which may result in longer acquisition time. The unit should be taken to an authorized service center immediately.
  • Page 99 CDI scale may remove the conditions causing this message. RAM failed - The GPS 150XL has detected a failure in its internal memory. If the message persists, the GPS 150XL is unusable and should be taken to an authorized GARMIN service center.
  • Page 100 APPENDIX MESSAGES & ABBREVIATIONS Start altitude chng - The altitude change entered on the VNAV Planning page is about to begin. Steep turn ahead - This message appears approximately 90 sec- onds prior to a turn that requires a bank angle in excess of 25 degrees in order to stay on course.
  • Page 101 This section of Appendix D provides a complete list of GPS 150XL abbreviations and their meanings. ALT- Altitude DEG- APP- Approach DEP- APR- Approach DIS- APT- Airport Waypoint DME - ARTCC- Air Route Traffic Control Center DOP- ARV- Arrival DTK-...
  • Page 102 APPENDIX MESSAGES & ABBREVIATIONS ILS- Instrument Landing System Imperial Gallons MUL- INT- Intersection Waypoint NDB- JET A- Jet Fuel - Type A JET B- Jet Fuel - Type B Kilometers Per Hour Kilometers OBS- Knots Pounds OTH- LCL- Local ºC- LEN- Length ºF-...
  • Page 103 UTC- RSTCD- Restricted RSV- Reserves RTE- Route Receive Only VNAV- SAR- Search And Rescue VOR- WPT- SEC- Seconds SEQ- Sequence SGL- Signal SLCT- Select SRFC- Surface STR- Steer To TACAN- TACtical Air Navigational Aid TAS- True Airspeed TAT - Total Air Temperature TEMP- Temperature TMA-...
  • Page 104 ** Subject to accuracy degradation to 100m 2DRMS under the US DOD-imposed Selective Availability Program. Whenever the GPS 150XL is connected to the optional remote battery pack and power from the master switch is lost, the unit will revert to battery power.
  • Page 105 Appendix F Map Datums ADINDAN Ethiopia, Mali, Senegal, DOS 1968 Sudan AFGOOYE Somalia EASTER ISLAND 1967 AIN EL ABD 1970 Bahrain Island, Saudi Arabia EUROPEAN 1950 ANNA 1 ASTRO 1965 Cocos Islands ARC 1950 Botswana, Lesotho, Malawi, Swaziland, Zaire, Zambia, Zimbabwe ARC 1960 Kenya, Tanzania EUROPEAN 1979...
  • Page 106 APPENDIX MAP DATUMS LUZON PHILIPPINES Philippines (excluding Mindanao Isl.) MAHE 1971 Mahe Island MARCO ASTRO Salvage Islands MASSAWA Eritrea (Ethiopia) MERCHICH Morocco MIDWAY ASTRO 1961 Midway Island MINNA Nigeria NAD27 ALASKA North American 1927- Alaska NAD27 BAHAMAS Bahamas (excluding San Salvador Island) NAD27 CANADA Canada (including...
  • Page 107 Appendix G Index CDI sensitivity setting Channel 2 I/O Abbreviations 91-93 Checking GPS coverage Accessory list Checklists Activating a route Clear key Activating a route in reverse Clock function Active to & from waypoints Closest point of approach (CPA) Active route page...
  • Page 108 APPENDIX INDEX Displaying identifiers Displaying airspace boundaries Key functions Knob functions Downloading data to another GPS 150XL 81 Duplicate waypoints Locked waypoints Editing routes 60, 66 Magnetic variation Editing user waypoints 42-44, 47 Map datums ENT key viii Map display...
  • Page 109 Sunrise/sunset planning RAIM protection Radar information Receiver status 18-19 Table of contents Reference waypoint Time Removal of the GPS 150XL Trip planning Renaming user waypoints Trip timer Restoring user data Trip timer settings Reversing a route True air speed Turn anticipation...
  • Page 110 APPENDIX INDEX Vertical navigation (VNAV) 24-25 VORs 32, 39 Warranty Waypoint categories Waypoint comment list 31, 48 Waypoint comments page Waypoint confirmation page Waypoint entry Waypoint holding 67-68 Waypoint identification page Waypoint information 31-50 Waypoint key vii, 31 Waypoint list Waypoint menu 31-32 Waypoint scanning...
  • Page 112 © 1997 GARMIN Corporation 1200 East 151st Street Olathe, KS 66062 GARMIN (Europe) LTD Unit 5, The Quadrangle, Abbey Park Industrial Estate, Romsey, SO51 9AQ, UK Web Site Address: www.garmin.com Part No. 190-00067-80 Rev. A...

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