Manuel d'utilisation / d'entretien du produit GPS 155XL du fabricant Garmin
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GPS 155XL Pilot’s Guide and Reference 155xlb manual 1/12/99 4:05 PM Page i.
155xlb manual 1/12/99 4:05 PM Page ii.
i INTRODUC TION Forewor d This manual is written for software version 2.04 or above, and is not suitable for earlier software versions. © 1999 GARMIN Corporation GARMIN International, Inc.
C AUTION The Global Positioning System is operated by the United States government, which is solely responsible for its accuracy and maintenance. The system is subject to changes which could affect the accuracy and performance of all GPS equipment.
Accessories & P acking List Congratulations on choosing the finest, most advanced panel mount IFR GPS receiver available. The GPS 155XL repr esents GARMIN’ s commitment to provide an accurate, easy-to-use GPS for all of your aviation needs.
INTRODUC TION W arranty T o obtain warranty service, see your local dealer or call the GARMIN Customer Service department for a r eturned mer chandise tracking number .
P AR T ONE: INTRODUCTION Forewor d . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .i Cautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ii Accessories/Packing List .
INTRODUC TION T able of Contents Appendix A: NavData ® and User Data Card Use . . . . . . . . . . . . . . . .108 Appendix B: Installation and Maintenance of the GPS 155XL . . . . . . .110 Appendix C: Simulator . . . . . . . . . . . . . . . . . . . . .
K ey and Knob Functions B The power/intensity knob controls unit power and display intensity . b The zoom-in key is used to zoom in to the next smaller scale setting when viewing the map page. a The zoom-out key allows you to zoom out to the next lar ger scale setting when viewing the map page.
M The message key is used to view system messages and to alert you to important warnings and requirements. This key is also used to access the GPS 155XL ’ s unit settings.
The GARMIN GPS 155XL is a powerful navigational tool that pr ovides pilots with accurate navigational data, including non-pr ecision appr oaches, SIDs and ST ARs.
The satellite status page shows the ID numbers for the satellites and the r elative signal str ength of each satellite r eceived. T urn the K knob to view additional satellites.
After the GPS 155XL acquires satellites and computes a position, the position page will appear automatically , and you’ll be informed with ‘Ready for navigation’ on the message page. The position page displays your present latitude and longitude, altitude and a refer- ence waypoint field.
The NA V summary page without a direct-to destination or active route appears blank, except for ground speed (GS) and track (TRK) figur es, if displayed. When a destination is selected, the dir ect-to confirmation page appears to verify the destination you selected.
In addition to the destination field and graphical CDI, the GPS 155XL NA V summa- ry page features five selectable fields for various navigation data so that the page may be configured to your own prefer ences (see Section 1 for more information).
The map display may be oriented along your ground track (track up), course (desir ed track up) or fixed at north up. Desir ed track up or north up settings show your pr esent position with a dia- mond symbol instead of the airplane symbol.
The map display has 14 available scales from 0.5 to 300 (nautical miles, statute miles or kilometers) representing the vertical height of the map. The map scale is contr olled by the a and b keys, with the current scale displayed in the lower right corner .
The GPS 155XL ’ s T key provides the nine near est 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 (AR TCC) frequencies for your present position.
T o select a nearest waypoint as a direct-to destination : 1. Press the D key . The direct-to confirmation page for the selected waypoint will appear .
Remember! The NA V pages will only display infor- mation AFTER the position and navigational infor- mation has been calculated from the satellites. If you ar e on the position page befor e the unit has calculat- ed a position, you will be able to enter an approxi- mate position and altitude.
The GPS 155XL ’ s NA V summary page pr ovides you with the important informa- tion needed to navigate directly to your destination. The destination field, located at the bottom left of the page, displays the current destination waypoint or active r oute leg being navigated.
SEC TION 1 NA V KEY Configuring the NA V Summar y Page The following functions may be displayed in the distance field: • dis— Distance from pr esent position to the ‘active to’ waypoint. • str— Steer direction and distance, or digital cr osstrack error .
T o change any of the selectable fields on the NA V summary page: 1. Press C to activate the cursor . 2. Rotate O to highlight the field you would like to change. 3. Rotate K to change the field to display the desired information. 4. Rotate O to highlight another field, or C to finish.
The next page available from the GPS 155XL ’ 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.
15 SEC TION 1 T o select a map scale: 1. Press a to increase the map scale and show a larger area (or turn K to the right). 2. Press b to decrease the map scale and show a smaller area (or turn K to the left).
16 SEC TION 1 The next page available from the GPS 155XL ’ s N key is the navigation communi- cations (NA VCOM) page . The NA VCOM 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.
Once you begin viewing restrictions, you can view any additional frequencies for the selected airport by rotating K . (Note: An arrow pr ompt displayed next to the air- port identifier indicates additional frequencies are available.) Y ou can also view the other airport information pages by rotating O .
18 SEC TION 1 T o change the altitude field: 1. Press C to obtain a cursor . 2. Rotate O until the ‘alt/esa/msa’ field is highlighted. 3. Rotate K to display the desired data.
The GPS 155XL ’ s satellite status page pr ovides 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. T o view the satellite status page: 1.
20 SEC TION 1 T o change the DOP/EPE field: 1. Press N and rotate O to display the satellite status page. 2. If the desired field (EPE or DOP) is not displayed, press C .
21 SEC TION 1 Viewing individual satellite information. NA V KEY Satellite Data Page The third and fourth lines of the satellite status page pr ovide 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.
In addition to the five other navigation pages, the GPS 155XL features two menu pages to perform a host of planning and navigation functions. NA V Menu 1 pr ovides access to the following functions: • T rip Planning • Density altitude/true airspeed calc.
23 SEC TION 1 The density altitude/true airspeed function is also accessed fr om NA V Menu 1. Density altitude is the theoretical altitude at which your air craft will perform depending on several env.
24 SEC TION 1 T o per form fuel planning operations: 1. Press N and rotate O until NA V Menu 1 is displayed. 2. Press C and rotate O until ‘Fuel Plan?’ is highlighted. Press E . 3. Rotate K to select either ‘wpt’ for direct navigation or the desired route number .
25 SEC TION 1 Winds aloft page NA V KEY Winds Aloft & VNA V Functions V ertical navigation page The GPS 155XL ’ s winds aloft function is used to calculate the true direction and speed of any winds, and indicates whether you are flying with a head wind or tail wind, and the wind speed.
Y ou will now notice that the vertical speed has been calculated, based on your present speed. If you desire a mor e rapid climb or descent rate: 8. Use K and O to enter the new desired vertical speed, or press E to accept the calculated value. 9. Press E to activate the vertical navigation function.
27 SEC TION 1 T o execute a checklist: 1. Press N and rotate O until NA V Menu 1 is displayed. 2. Press C and rotate O until ‘Chklist?’ is highlighted. Press E . 3. Use O to highlight the checklist you would like to see. Press E . 4. Press E to check off list items.
28 SEC TION 1 When the countdown timer reaches zer o, you will be informed with a ‘T imer expired’ message. The timer will then begin to count up, displaying the time since it expired. The timer runs, if not altered, whenever the GPS 155XL is turned on.
29 SEC TION 1 Enter the location, time and date for RAIM pr e- diction. NA V KEY RAIM Prediction RAIM available for the enter ed time, date and waypoint location. The RAIM Prediction function allows you to confirm that GPS coverage is available for your current location or at a specified waypoint any day of the year .
30 SEC TION 1 The scheduler function will display r eminder messages (such as ‘Change oil’, ‘Switch fuel tanks’, ‘Overhaul’, etc) after a specified time has elapsed.
31 SEC TION 1 Sunrise/sunset planning page showing UTC (Zulu) sunrise and sunset times for ‘KROG’. NA V KEY Sunrise/Sunset Calculations The GPS 155XL ’ 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.
Section 2 W aypoint and Database Information The GPS 155XL uses a Jeppesen NavData® card to pr ovide position and facility information for thousands of airports, VORs, NDBs and intersections.
33 SEC TION 2 The waypoint menu page allows you to select the desir ed waypoint type (or category). WP T KEY W aypoint Categories & Menu Page The airport position page shows the position, field elevation and available fuel types for the selected airport.
34 SEC TION 2 After a waypoint category is selected, information for a waypoint may be viewed by entering the identifier or name of the desired waypoint. Airports, VORs and NDBs may be entered by either the identifier , name or the location (city) of the facility .
Once a waypoint category and identifier have been selected, the GPS 155XL will provide extensive information thr ough a set of waypoint pages for the selected cate- gory . The pages available for each waypoint category are presented here in the or der they appear on the waypoint menu page: airports, VORs, NDBs, intersections and user waypoints.
The GPS 155XL features six airport pages: airport identification— allows entry of desired airport by identifier , facility name or city; displays region and/or country of facility .
37 SEC TION 2 WP T KEY Airpor t Position Page 1 2 3 6 5 4 The airport position page displays the latitude, longitude and elevation of the selected airport, as well as usage or fuel availability , available approaches and airport control/radar capability .
The airport procedur es page displays all the available approaches, SIDs and ST ARs at any selected airport in the database, without placing a specific approach, SID or ST AR in the active r oute. This allows the pilot to quickly scan the pr ocedures of any nearby airport in case of an emergency or help plan futur e flights.
Airport communications page for KCL T . Fr equency page with sector r estrictions. The airport communication page displays the radio frequencies and usage for the selected airport, as well as sector and altitude restrictions. T o view the communication page from any of the airport information pages: 1.
T o view additional runways, rotate the K knob in the dir ection of the arr ow pr ompts. Airport runway page for KICT . WP T KEY Airpor t Runway Page SEC TION 2 40 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.
WP T KEY VOR Infor mation SEC TION 2 VOR position page showing co-located T ACAN facility and weather broadcast. VOR identification page 41 VOR Information The GPS 155XL 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 .
NDB comments page NDB identification page SEC TION 2 WP T KEY NDB Infor mation 42 NDB Information The GPS 155XL also uses identification, position and comments pages for NDB information.
WP T KEY Intersection Infor mation SEC TION 2 Intersection comments page 43 Intersection Information The last database waypoint category available is intersections. T wo intersection pages are available: intersection position and intersection comments.
User waypoint comments page User waypoint page WP T KEY User W aypoints SEC TION 2 44 User W aypoint Information In addition to the airport, VOR, NDB and intersection waypoints contained in your NavData® car d, the GPS 155XL allows you to store up to 1,000 user -defined way- points.
SEC TION 2 WP T KEY Creating User W aypoints Selecting a method to enter a new user waypoint. Entering the user waypoint’ s exact position. 45 If the waypoint identifier entered does not exist, you will be pr ompted to select a method to enter the new waypoint’ s position into memor y .
WP T KEY Reference W aypoints SEC TION 2 Cr eating a user waypoint by r efer encing another waypoint. T o create a user waypoint fr om your present posi- tion, leave the r efer ence waypoint field blank and enter a bearing and distance from your pr esent position.
WP T KEY Creating W aypoints with AutoStore SEC TION 2 AutoStor e waypoint with default name. The default waypoint name may be changed befor e saving the waypoint. 47 The GPS 155XL ’ s AutoStore TM function provides another method of creating user waypoints.
WP T KEY Proximity W aypoints SEC TION 2 Proximity waypoints page Proximity alarm message. Pr essing N will display the position page with the bearing and distance from the pr oximity waypoint indicated on the bottom line. 48 The second page available from the GPS 155XL ’ s W key is the proximity waypoints page .
WP T KEY User W aypoint List SEC TION 2 User waypoint list showing the curr ent active-to waypoint and a proximity waypoint. Renaming a user waypoint. 49 The third page available fr om the GPS 155XL ’ s W key is the user waypoint list , which can be used to quickly scan, review , rename or delete user waypoints.
WP T KEY W aypoint Comments SEC TION 2 Entering waypoint comments W aypoints with comments page 50 The last page available through the GPS 155XL ’ s W key is the waypoints with comments page , which lists all waypoints that have a user comment.
WP T KEY W aypoint Confir mation Duplicate W aypoints SEC TION 2 W aypoint confirmation page Duplicate waypoints page 51 The GPS 155XL ’ s extensive waypoint database makes it possible for several way- points to share the same identifier .
WP T KEY Locked W aypoints W aypoint Scanning SEC TION 2 Possible messages for locked waypoints. T o blank a waypoint field, highlight the field and pr ess the key . 52 Because the GPS 155XL relies on a NavData car d for most waypoint information, there may be instances when waypoint information is not available for use.
SEC TION 3 NRS T KEY Over view Near est airport with other fr equency information. If an airport has multiple fr equencies available, they may be quickly viewed without activating the cursor by pr essing the key r epeatedly . Near est FSS page. T o view additional fr equencies (if available), highlight the fr equency and r otate the O knob.
NRS T KEY Special Use Airspace SEC TION 3 NOTE: The GPS 155XL will flash the U next to the M key to inform you of SUA alerts. Y ou do not have to repeatedly check the Near est W aypoint page for SUA infor mation. It is pr ovided to supply mor e infor mation on the SUA and its boundaries.
NRS T KEY Special Use Airspace SEC TION 3 55 T o view the SUA alert page: 1. Press the T key . 2. Rotate O one stop to the right to view the SUA alert page. The SUA alert page contains the following information: The ‘SUA number’ field displays which SUA you ar e viewing (you may be alerted to up to nine SUAs).
NRS T KEY SUA Messages SEC TION 3 SUA alert page Fr equency information for SUA. If the informa- tion is too long to fit on the display , the GPS 155XL will automatically scroll to display the r est of the information.
NRS T KEY Special Use Airspace SEC TION 3 Altitude buffer set at 500 feet. This pr ovides an added 500 foot margin beyond the floor and ceil- ing limits for an airspace. 57 All SUA alert messages except for prohibited ar eas may be turned on or off through the GPS 155XL ’ s unit settings options, found under the M key (see page 105).
ROUTE TERMINOLOGY The diagram at the right shows a basic route consisting of five waypoints and four legs. The waypoint you ar e travelling to is called the ‘active to’ waypoint, and the waypoint immediately behind you is called the ‘active from’ waypoint.
DIREC T-T O Selecting and Cancelling a Direct-T o SEC TION 4 T o select a direct-to destination, pr ess the D key and enter the waypoint identifier using K and O . T o quickly select a direct-to fr om any page that displays a single waypoint identifier (e.
DIREC T-T O Manually Selecting A Course SEC TION 4 The waypoint sequencing field, located at the bottom left of the dir ect-to confirmation page, dis- plays the curr ent status of the exter nal GPS SEQ switch.
The GPS 155XL lets you create up to 20 r outes (numbered 0 thr ough 19), with up to 31 waypoints each. Routes are created, copied and edited thr ough the R key , which features five r oute pages selectable from the GPS 155XL ’ s outer knob. The five route pages can be divided into two types: active route pages and a route catalog page .
The GPS 155XL ’ s route catalog page is used to create, edit, delete or copy routes, and serves as the main page for a host of functions. These include route activation, determining the closest point of approach and sear ch-and-rescue operations.
SEC TION 4 ROU TE NA V Creating & Editing Routes 63 The route editing function allows you to create new r outes and edit existing routes. Cr eating routes befor e takeoff can help make r oute operations faster and easier during your flight. T o create or edit a route fr om the route catalog page: 1.
ROU TE NA V Deleting & Activating Routes SEC TION 4 64 Once a route is defined thr ough the route catalog page, it may be activated from the route catalog page. Activating or r eversing a route places the selected r oute into route 0 and overwrites the existing active route.
ROU TE NA V Copying Routes CP A Function SEC TION 4 65 T o copy a route: 1. Press R and use O to display the route catalog page. 2. Use K to display the route to which you would like to copy . The route must be empty . 3. Press C and rotate K to select ‘copy?’.
ROU TE NA V Search & Rescue Operations SEC TION 4 66 The GPS 155XL ’ s search-and-rescue function pr ovides navigation guidance for search-and-r escue operations, navigating in a ladder pattern to maximize coverage and efficiency . This is done in reference to two waypoints called ‘anchor waypoints’.
The GPS 155XL ’ s Route RAIM Prediction Function evaluates enroute RAIM availability over the entire r oute that the pilot intends to fly . Route RAIM Prediction ensures that satellite coverage will be sufficient to meet the pr otection limits defined by BRNA V/RNP-5 (F AA Advisory Circular 90-96).
The time required for RAIM pr ediction computation depends on the route distance (i.e., 1000 nautical miles = approximately 2 minutes) and the enr oute speed.
ROU TE NA V Parallel T rack Offset Navigation SEC TION 4 69 During route navigation, it is sometimes desirable to navigate a specified distance away from the ‘active leg’ to help avoid certain airspaces or r egions. The GPS 155XL ’ s parallel track feature will automatically guide you along a selected offset from the active leg.
ROU TE NA V Active Route Page SEC TION 4 70 Flying and Modifying the Active Route Once a route has been cr eated and activated, the GPS 155XL will provide naviga- tion to each route waypoint thr ough the active r oute, NA V summary and map pages.
ROU TE NA V Adding Active Route W aypoints SEC TION 4 71 The distance field can be selected to display cumulative (‘cum’) distance or the dis- tance for each route leg (‘leg’). If cumulative is selected, the first leg’ s distance will be displayed.
ROU TE NA V On-Route Direct-T o SEC TION 4 72 T o delete a waypoint from the active r oute: 1. Press C , if necessary , to activate the cursor . 2. Use O to highlight the waypoint you would like to delete from the active route. 3. Press , followed by E .
ROU TE NA V T ur n Anticipation SEC TION 4 73 During route operations, the NA V summary page is used to provide turn anticipa- tion, next desired track and waypoint arrival information to the pilot.
Section 5 Appr oaches, SIDs and S T AR s The GPS 155XL ’ s approach navigation mode allows you to fly non-precision approaches to airports with GPS and overlay pr ocedures using information contained on your Jeppesen NavData ® card.
The GPS 155XL works in conjunction with a set of external switches and your HSI (OBS) to fly GPS approaches. The external switches are used to contr ol GPS func- tions, and contain illuminated annunciators to indicate when functions are active. Y our installation must also have annunciators for waypoint arrival and GPS messages.
The GPS SEQ switch is used to select manual or automatic waypoint sequencing of waypoints. Setting the GPS SEQ switch to the HOLD position holds your current ‘active to’ waypoint as your navigation reference and pr events the GPS from sequenc- ing to the next waypoint.
Basic Rules of GPS Approaches The GPS 155XL is the first GPS certified to meet the requirements of TSO C-129a Category A1. When using the GPS 155XL for non-precision approaches, you’ll encounter two types of approaches: overlay appr oaches (based on existing pro- cedures) and GPS appr oaches (new approaches designed specifically for GPS).
• If you cr oss the same waypoint twice in succession during an appr oach (e.g., the IAF and F AF at the same waypoint, or radar vectors to the F AF), you must set the GPS SEQ switch to the HOLD position prior to cr ossing the fix the first time to prevent the GPS fr om sequencing to the next waypoint.
Flying A T ypical Appr oach The non-precision appr oaches available from the GPS 155XL will all follow the same general flow of events described below . Specific details and instructions relating to each step, along with several approach examples ar e provided later in this chapter .
5. T ransition to Active Approach Phase The approach will automatically transition to the active appr oach stage and the GPS APR annunciator will indicate an ‘ACTV’ status if the following conditions are met: a. The approach is armed b. The aircraft is 2 nm fr om the FAF on an inbound course c.
Selecting and Loading an Approach When an arrival airport is selected with the direct-to key (or created and activated in a route to the arrival airport), the appr oaches for your arrival airport become available through the appr oach select page , which can be viewed by pressing R and rotating the outer knob.
When the aircraft is within 30 nautical miles of the destination airport, the GPS 155XL will automatically arm the approach, and the GPS APR switch will indicate an ‘ARM’ status. T o fly the GPS approach (without radar vectors): 1. Confirm that the GPS APR switch indicates an ‘ARM’ status.
e. Set the GPS SEQ switch to the AUTO position. The GPS 155XL will resume automatic waypoint sequencing for the remaining approach waypoints. 4. Once the aircraft is within 2 nm of the F AF (and the approach is armed), the ‘ACTV’ annun- ciator will illuminate and the CDI scale will ramp down to 0.
If you’re not authorized to fly direct-to the missed approach holding point: 1. After the MAP has been crossed, press the D key . The GPS 155XL will automatically display the first waypoint of the missed approach procedure as the next approach waypoint.
The GPS 155XL ’ s approach select page allows you to review the available approach pr o- cedures at the destination airport. Fr om the procedur es list, you may select and activate a new procedur e on the fly .
GPS APPROACH EXAMPLES In the examples that follow , the GPS waypoints are shown along the approach path. In some cases, intermediate database waypoints have been added to approaches. These waypoints are named using lower case letters using the following convention (the most common database waypoints are defined below).
EXAMPLE 1— GPS ONL Y APPROACH Example 1 uses the GPS approach into Fr ederick Municipal Airport (KFDK) and illustrates the basic sequence of selecting and flying a GPS approach, and flying directly to a missed appr oach holding point. Please refer to the previous sections of this chapter for expanded keystroke instructions.
EXAMPLE 2 – VOR/GPS OVERLA Y APPROACH Example 2 uses the VOR/GPS R WY 19 approach into Kansas City Downtown Airport (KMKC) from the south and illustrates an appr oach with a procedure turn, which requires the pilot to set the GPS SEQ switch to the HOLD position prior to crossing the IAF the first time.
EXAMPLE 3 – VOR/DME ARC OVERLA Y APPROACH Example 3 uses the VOR/DME R WY 21 approach into T opeka/Forbes Field Airport (KFOE) and illustrates an approach based on a DME ar c.
6. Monitor your distance and bearing from the DME navaid along the arc. 7. The external CDI course deviation needle will begin to center as you approach the inbound course. The GPS WPT annunciator will flash 15 seconds before reaching the course fix, and the desired track for the final approach will appear in place of the graphic CDI.
EXAMPLE 4— RADAR VECTORS TO FINAL APPROACH COURSE Example 4 uses the same VOR/DME R WY 21 approach into T opeka/Forbes Field Airport (KFOE) used in Example 3 and illustrates an approach using radar vectors to a point 3 miles out from the final appr oach fix.
The Jeppesen database used in the GPS 155XL features standar d terminal ar rival routes (ST ARs) and standard instrument depar tures (SIDs) that may be placed into any active or stored r oute.
The SID select page also allows you to review all the available SIDs for the depar- ture airport and select, delete or change the active SID. T o replace/delete the active SID: 1. Press R and rotate O until the SID select page appears. 2. Press C . The active SID (denoted by an asterisk) is highlighted.
94 SEC TION 5 APPRO A CH NA V Selecting & Activating ST ARs Standard T erminal Arrival Routes (ST ARs) used in the GPS 155XL are selected and activated with the same procedur es as SIDs.
The ST AR select page also allows you to review all available ST ARs for the desti- nation airport and select, delete or change the active ST AR. T o replace/delete a ST AR: 1. Press R and rotate O until the ST AR select page appears. 2. Press C . The active ST AR (denoted by an asterisk) is highlighted.
96 Section 6 Messages and Unit Settings The GPS 155XL ’ s M key provides access to system messages and allows you to customize the unit to your own preferences thr ough a settings submenu. Whenever the GPS 155XL needs to alert you to a navigation or system message, the annunciator light ( U ) next to the M key will flash.
97 The map orientation may be set to north up, track up or desir ed track up. This determines what dir ection the top of the map display is oriented to. Map setup page SEC TION 6 UNIT SETTINGS Map Page Setup The GPS 155XL ’ s map page is designed to be a flexible tool that can be custom- tailored to your navigation needs.
98 UNIT SETTINGS Map Page Setup SEC TION 6 The automatic zoom featur e will automatically adjust the map display through pr ogressively lower scale settings as you approach your destination waypoint. A scale setting of ‘200’ for airports will display airport locations on the map display for all scales from ‘200’ and lower .
99 The ‘auto mag’ setting will automatically calculate the magnetic variation based upon your curr ent position. When the ‘Auto’ CDI setting is selected, the GPS 155XL will automatically change the CDI scale when you ar e within 30 nm of a departur e or arrival airport.
100 The runway length and surface type settings allow pilots of large, high-performance aircraft to dir ect the T key function to ignor e those airports at which it would be difficult, if not impossible, to land their aircraft. Setting the arrival alarm to 10 nautical miles.
101 Display timeout settings. As shown, the display backlight will turn off after 30 seconds to conserve power in the optional battery pack. T o set the minimum runway length and r unway surface: 1. Press and hold M and use O to display the ‘Nearest apt search’ page.
102 Setting the display mode to ‘negative’ will display on-scr een characters as light gr een on a black backgr ound. This setting is suitable for night operation. The display contrast may be set to automatically adjust to varying lighting conditions, using the built-in photocell.
103 T rip timer settings, showing timer active when ground speed exceeds 100 knots. The backlight intensity settings page is used to set/adjust the scr een backlighting for day or night operation. SEC TION 6 UNIT SETTINGS Backlighting T rip T imer T o change the backlighting intensity: 1.
104 Units of measur e settings with all metric values displayed. Default units of measur e settings. UNIT SETTINGS Units of Measure SEC TION 6 The GPS 155XL can be configured to display data in standar d or metric units of measure . These apply to: distance, position, speed, altitude, fuel, pressur e and temperature.
105 The SUA settings page with ‘other’ airspaces dis- abled and the altitude buffer set to 500 feet. The SUA settings page with all airspace alerts enabled and the altitude buffer set to 100 meters.
106 UNIT SETTINGS Map Datums SEC TION 6 Map datum page showing the default WGS 84 datum. This setting should be used unless your paper chart specifies a differ ent datum. User datum page. T o use this function you must enter the parameters as differ ences from the WGS 84 default.
The last page available under the GPS 155XL ’ s setup menu is the I/O setup page . The I/O setup page lets you configure the GPS 155XL to input R TCM SC-104 correc- tion data, output to an RS-232 mapping device or a PC (with the optional GARMIN PC Kit or other mapping software) and select the appr opriate baud rate.
108 NA VD A T A C ARD Saving User Data APPENDIX A Data car d warning Appendix A NavData ® and User Data Installation/Oper ation The NavData card supplied with your GPS 155XL can be installed or r emoved when the GPS 155XL is on or off. Insert the car d with the thumb tab at the top, and the beveled corner at the bottom.
109 Restor e data page Data transfer page APPENDIX A NA VD A T A C ARD Saving User Data T o restore user data fr om a user data card to the GPS 155XL: 1. Install the user data card. 2. Rotate O to highlight ‘Restore user data?’. 3. Press E . The GPS 155XL will ask you which type of data to replace.
110 INS T ALLA TION & MAINTENANCE APPENDIX B The GPS 155XL is built to exacting standar ds and does not r equir e user maintenance. If the faceplate and lens r equir e cleaning, use a soft cloth and non-abrasive cleaner . The user data is maintained by an internal battery with a pr ojected life of 3 to 5 years.
111 APPENDIX C SIMULA T OR Operating mode page Selecting the simulator mode. The GPS 155XL ’ s simulator mode allows you to plan and practice flights in your home and office using an optional r emote battery pack or AC adapter . The simula- tor is not accessible when the GPS 155XL is running off the master avionics switch.
112 Database confirmation page SIMULA T OR APPENDIX C Entering an initial position r efer ence. T o enter an initial position reference by waypoint identifier: 1. Rotate O to highlight the waypoint identifier field. 2. Use K and O to spell out the identifier of the desired airport, navaid or user waypoint.
Altitude input fail - The altitude serializer input is not available for the GPS 155XL. Check the I/O settings and/or the serializer installation. If enough satellites are available for a 3D position fix, no pilot action is required, pr oviding no RAIM warnings are pre- sent.
Cannot ofst goto rte - An attempt has been made to engage the offset navigation feature while the GPS 155XL is navi- gating using a single waypoint r oute. The GPS 155XL will not allow offset navigation in this situation. Checklist is full - The selected checklist is full.
Invalid copy route - A non-empty r oute was selected for a copy opera- tion. A route must be empty befor e another r oute can be copied to it. Invalid CP A route - The selected r oute contains less than two way- points and cannot be used for CP A operations.
Poor GPS coverage - The GPS 155XL cannot acquire suf ficient satel- lites necessary to provide navigation. Prox alarm-press NA V - Y our craft has penetrated the alarm circle of a pr oxim- ity waypoint. Pr ess NA V to see the bearing and distance to the proximity waypoint.
Route wpt deleted - One or more route waypoints wer e deleted while receiving data fr om the optional PC Interface Kit. Route wpt locked - At least one route waypoint is locked because the waypoint has been removed fr om the Jeppesen NavData®, the data card is missing, or the data card has failed.
118 APPENDIX D MESS AGES & ABBREVIA TIONS This section of Appendix D provides a complete list of GPS 155XL abbr eviations and their meanings. AL T - Altitude APP- Approach APR- Approach APT - Airp.
119 APPENDIX D MESS AGES & ABBREVIA TIONS ILS- Instrument Landing System IG- Imperial Gallons INT - Intersection W aypoint JET A- Jet Fuel - T ype A JET B- Jet Fuel - T ype B KH- Kilometers Per Ho.
120 APPENDIX D MESS AGES & ABBREVIA TIONS SEQ- Sequence SGL- Signal SID- Standard Instrument Departure SLCT - Select SRFC- Surface ST AR- Standard T erminal Arrival Route STR- Steer T o T ACAN- T .
121 APPENDIX E SPECIFIC A TIONS Appendix E Specifications PHYSICAL Size: 6.25”W x 5.8”D x 2”H (159mm x 147mm x 51mm) W eight: 27.2 ounces (.77 kg) Rack Size: 6.
122 APPENDIX F MAP D A TUMS Appendix F Map Datums ADINDAN Ethiopia, Mali, Senegal, Sudan AFGOOYE Somalia AIN EL ABD 1970 Bahrain Island, Saudi Arabia ANNA 1 ASTRO 1965 Cocos Islands ARC 1950 Botswana,.
123 APPENDIX F MAP D A TUMS LUZON PHILIPPINES Philippines (excluding Mindanao Isl.) MAHE 1971 Mahe Island MARCO ASTRO Salvage Islands MASSA W A Eritrea (Ethiopia) MERCHICH Morocco MIDW A Y ASTRO 1961 .
124 APPENDIX G TROUBLE- SHOO TING Q & A Appendix G T roubleshoo ting Q & A The GPS 155XL is a precision navigation instrument that of fers a wide array of performance navigation features. The ‘Q & A ’ section is designed to answer some of the common questions regar ding the GPS 155XL ’ s capabilities and operation.
125 APPENDIX G TROUBLE- SHOO TING Q & A Why aren’ t there any appr oaches available for my r oute? Approaches ar e only available when the final route waypoint or dir ect-to destina- tion is an airport (some VOR/VOR T AC identifiers are similar to airport identifiers).
126 APPENDIX G TROUBLE- SHOO TING Q & A What does the GPS APR switch do? What is ‘ar ming’ an approach? The GPS APR switch must be set to the ARM position for an approach to enter the active phase. It may be left in the ARM position to simplify approach operation.
127 APPENDIX G TROUBLE- SHOO TING Q & A When should I switch from HOLD to AUTO, and what happens when I do? Once you are ready to r esume automatic waypoint sequencing, you must set the desired course on your HSI two seconds before changing the GPS SEQ switch to the AUTO position.
When does turn anticipation begin, and what bank angle is expected? The GPS 155XL will smooth adjacent leg transitions based upon a nominal 15º bank angle (with the ability to roll up to 25º) and pr.
129 APPENDIX G TROUBLE- SHOO TING Q & A What is the correct missed appr oach procedur e? How do I select the missed approach holding point? T o comply with TSO specifications, the GPS 155XL will not automatically sequence to the missed approach holding point.
130 APPENDIX H INDEX Appendix H Index A Abbreviations . . . . . . . . . . . . . . . . . 118-120 Accessory list . . . . . . . . . . . . . . . . . . . . . . iii Activating a route . . . . . . . . . . . . . . . . . . 64 Activating a route in r everse . .
131 APPENDIX H INDEX Display contrast . . . . . . . . . . . . . . . . . . . 102 Display mode . . . . . . . . . . . . . . . . . . . . 102 Displaying airports . . . . . . . . . . . . . . . . . 98 Displaying identifiers . . . . . . . . . . . . . . . . 98 Displaying airspace boundaries.
132 APPENDIX H INDEX NavData cards . . . . . . . . . . . . . 32, 108-109 Navigation terms . . . . . . . . . . . . . . . . . . . 12 NDBs . . . . . . . . . . . . . . . . . . . . . . . . 33, 42 NRST key . . . . . . . . . . . . . . . . . . . vii, 8, 53 Nearest airport .
133 APPENDIX H INDEX T rip planning . . . . . . . . . . . . . . . . . . . . . 22 T rip timer . . . . . . . . . . . . . . . . . . . . 28, 103 T rip timer settings . . . . . . . . . . . . . . . . . 103 T rue air speed . . . . . . . . . . . . . . . . . .
134 155xlb manual 1/12/99 4:06 PM Page 134.
155xlb manual 1/12/99 4:06 PM Page 135.
© 1999 GARMIN Corporation GARMIN International, Inc. 1200 East 1 51st Street Olathe, KS 66062 GARMIN (Europe) L TD Unit 5 , The Quadrangle, Abbey Park Industrial Estate, Romsey , SO51 9AQ, UK GARMIN (Asia) Corp. 3rd Fl., No. 1, Lane 45, Pao-Hsing Road, Hsin T ien, T aipei, T aiwan R.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Garmin GPS 155XL c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Garmin GPS 155XL - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Garmin GPS 155XL, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Garmin GPS 155XL va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Garmin GPS 155XL, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Garmin GPS 155XL.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Garmin GPS 155XL. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Garmin GPS 155XL ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
