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Garmin MX20 User Manual

Multi-function display
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  • Page 2 ã 2004 Garmin Ltd. or its subsidiaries. All rights reserved. Printed in the U.S.A. Garmin International, Inc., 1200 East 151 Street, Olathe Kansas 66062, U.S.A. Tel: 913/397.8200 Fax: 913/397.8282 Garmin (Europe) Ltd., Unit 5, The Quadrangle, Abbey Park Industrial Estate, Romsey, Hampshire S051 9DL, U.K.

  • Page 3: Ordering Information

    560-1026-05 Rev C January 2004 560-1026-05 Rev D May 2004 560-1026-06 Rev - Ordering Information To receive additional copies of the MX20 User’s Guide, order part #560-1026-06. The MX20 Installation Guide is part #560-1025-xx. The MX20 Quick Reference Guide is part #561-0263-xx.
  • Page 4 Refund. If you do not agree to the terms of this EULA, Garmin AT and Microsoft are unwilling to license the MX20 and its Operating System to you. In such event, you may not use or copy the Licensed Product, and you should promptly contact Garmin AT for instructions on return of the unused product(s) for a refund.

  • Page 5: Welcome

    Welcome… Welcome to a new era of aviation navigation. Once again, Garmin has set new standards in features and ease of use general aviation public. MX20 Multi-Function Display provides a focal point for integrating many of your navigation needs in an easy to use and convenient package.

  • Page 6: About This Manual

    The Getting Started section gives an introduction to the controls, basic operation, and organization of the functions in your MX20. Be sure to read the Getting Started section to learn the rules for using the MX20. The Detailed Operation section is the reference for each of the functions in the MX20.

  • Page 7: Table Of Contents

    Table of Contents History of Revisions ..... . . i Ordering Information ..... . i Welcome…...
  • Page 8 Info In Pan Mode ..... 24 Initial Zoom Level..... 25 Flight Plan .
  • Page 9 Label ......42 Split Screen (SPLIT) Function ....43 Skywatch / TCAD Traffic (TRAF) Function .
  • Page 10 System (SYS) Function ....105 Caring For Your MX20....112 Troubleshooting.

  • Page 11: Getting Started

    Getting Started Getting Started This section explains how to get started using the MX20. Information in this section describes the controls, data card, display, and basic operation. After reading this section, go to the Detailed Operation section for expanded explanations for each feature.
  • Page 12 SYS - System Information (See page 105) The Message Log displays information from the MX20 or reported to the MX20 by its external sensors. A flashing MSG annunciator notifies you of a new message that should be viewed. The Custom Map function allows you to completely customize the displayed map by overlaying selected information.

  • Page 13: Controls

    The power switch is located in the upper right corner of the MX20. Press the “+” rocker switch to turn the power on. Press both the “-” and “+” rocker switches and hold them down to turn the power off. Press the “-” and “+”...
  • Page 14 Menu/Enter MENU/ENTER key is located on the bottom right MENU MENU/ENTER corner of the MX20. Press the key to show ENTER a menu of options to modify the display of the current MENU/ENTER function. Press the key to hide the menu. If no action is taken, the menu will automatically extinguish in a few seconds.
  • Page 15 Getting Started Line Selection The Line Selection keys are on the right side of the MX20. MENU/ENTER Press the key to see the options for the LINE SELECT current function. Press the key next to each option to scroll through the choices for each option. Some options support tri-state choices, such as in Map mode.

  • Page 16: Data Card

    Front View of Data Card Slot Data Card Data Card Ejector Front Side View of Data Card When contacting your dealer or the Garmin customer service department, eject the data card and write down the information shown on the label.

  • Page 17: Display

    Getting Started Display The MX20 display provides text and graphic information to give a “picture” of your flight and surroundings. The display brightness may be set manually or allowed to automatically adjust to ambient light conditions. At the bottom of the display, labels above the function keys change to show the different choices for each function to allow access to commonly used actions.

  • Page 18: Annunciations

    Getting Started Annunciations Advisory flags, data flags, and messages appear on the display to give information about the status of the MX20 or to provide operating information. Advisory Flags Annunciations will appear on the upper left side of the display to provide advisories for Traffic, Terrain, and Lightning.

  • Page 19: Data Flags

    For instance, when the amber TRAF data flag appears it means that the MX20 is not receiving Traffic information from the sensor. So, traffic may exist in your vicinity, but will not be displayed on the MX20.

  • Page 20: Message Flag

    MX20. Basic Operation Use the following items to get a basic feel for the operation of the MX20. The basic steps for using any of the separate functions of the MX20 are: · Turn the power on.

  • Page 21: Power On

    Turn the power rotary knob clockwise past the detent to turn the power on OR press the “+” rocker switch to turn the power on. The MX20 will progress through a series of startup screens. The final startup screen shows System Information and the results of the Self-Test.

  • Page 22: Brightness

    When the brightness is set automatically, the display will not dim below a pre-defined level. Start Up Screen The Start Up screen is displayed while the MX20 goes through its initialization and testing routines. System information is shown that provides the MX20 software and database versions.

  • Page 23: Confirm Current Baro Correction

    Getting Started Confirm Current Baro Correction A window may appear at startup, and then every 30 minutes, that displays the current barometric value. You must verify the current value or enter a new value. Press BARO + BARO - to increase the value. Press to decrease the value.

  • Page 24: Advisory Hot Key

    Getting Started Advisory Hot Key The “Advisory Hot Key” feature allows advisory conditions to be quickly viewed with minimal effort by the pilot. This feature is comprised of three components: 1) An advisory condition is indicated by a white advisory flag on the left side of the screen and the corresponding Function label will also be highlighted in white when selecting a new Function with the...

  • Page 25: Alert Hot Key

    Getting Started Returning To Normal Condition After evaluating the advisory, to return to normal viewing simply select the original Function that was being viewed before the advisory was viewed. When this is done, the zoom level will be set back to 5 nm and the display mode will be returned to ARC mode.

  • Page 26: Thumbnail Feature

    Getting Started Thumbnail Feature The Thumbnail feature provides a small map depiction that is overlaid in the upper left corner of the MX20 display. It provides for enhanced traffic and terrain situational awareness when not specifically viewing traffic or terrain related functions. For example, both traffic and terrain situational awareness can be maintained while viewing the Flight Plan Function.

  • Page 27: Traffic Information Services (Tis)

    Getting Started Obstructions on the Thumbnail Only “Red” obstructions within the 5 nm range are presented on the Thumbnail. This correlates directly to obstructions that are rendered in red on the other functions. Thumbnail Activation The Thumbnail incorporates logic that will either show or hide the thumbnail from view.
  • Page 28 Getting Started...

  • Page 29: Detailed Operation

    Detailed Operation Detailed Operation This section describes each operating function and the options available in each function. Each function operates independently. The Function “smart” keys and Line Selection keys are customized for each function and will appear while that function is selected. The functions are described in the order that they appear.

  • Page 30: Message Log (Msg) Function

    Message Log (MSG) Function The Message function displays information about the status of the MX20. Messages may be logged by either the MX20 internal system or by one of the external sensors. The amber MSG flag will flash until the message is viewed.

  • Page 31: Custom Map (Map) Function

    Detailed Operation Custom Map (MAP) Function The Custom Map function provides a graphic display of map features in relation to the aircraft location to help improve your situational awareness. Review Limitations section on page iv that apply to the use of data displayed on the moving map.

  • Page 32: Auto Zoom

    When installed with and CNX-series GPS receiver, the MX20 zoom level can be controlled by the CNX. This feature must be enabled in the System function with the “Slave Zoom to GPS Zoom” setting enabled.

  • Page 33: Pan

    Detailed Operation The Pan keys are used to move the display around so you can see beyond the initial boundaries of the screen. The function key is one of “smart” keys available bottom of the screen. When you select the Pan function, four “arrow”...

  • Page 34: Info In Pan Mode

    Detailed Operation Each press of the ¤ key will step through the available information for the current destination waypoint. The number of pages depends on the amount of information about the destination waypoint. Press the key to view any available METARs for the selected waypoint. Note that not all airports will have METARs available.

  • Page 35: Initial Zoom Level

    Detailed Operation Initial Zoom Level The initial zoom level that is used on start-up is determined by a setting made in the System Function (see page 106). Custom Map Menu Option Page 1 The first option page of the Custom Map function lets you select options for the choices of Flight Plan, map orientation, Invert, Nav Data, and Load Chart.

  • Page 36: Map Orientation

    Detailed Operation Map Orientation This option controls the screen orientation in reference to the aircraft symbol. You may select from North Up, Track Up, Track Up Arc, Track Up 360, and Desired Track Up. North Up sets magnetic north as the top of the screen. Track Up sets the current track of the aircraft as the top of the screen.

  • Page 37: Load Chart (Optional)

    Detailed Operation ground speed. Altitude and barometer setting information is not shown in TAWS installations. Load Chart (Optional) Once the airport is selected, the individual approach chart to be overlaid can be loaded from a list of geo-referenced approach charts available for that airport. Not all approach charts can be overlaid in this fashion and only geo-referenced charts will be presented for selection from the Custom Map.

  • Page 38: Airports

    The MX20 supports full integration with the SL30 Nav/Com. This feature allows tuned VORs along with ILS and localizer approaches to be shown on the MX20 moving map. This high level of integration is designed to provide additional, simple to interpret situational awareness during high work-load phases of flight.

  • Page 39: Vor Highlight

    IFR and VFR Chart functions. VOR Highlight The MX20 highlights the VOR in magenta on the moving map when the SL30 is either tuned to or monitoring a nearby VOR station. The highlighted VOR station is determined by using the tuned or monitored VOR frequency of the SL30 with the MX20 internal database.
  • Page 40 VOR, not the monitored VOR. The SL30 must be receiving a valid signal from the VOR and the MX20 must have VOR symbols turned on for this feature to be active. ILS/Localizer Depiction...

  • Page 41: Ndbs

    A published localizer back course approach at the airport is not necessary to enable this feature. The SL30 must be receiving a valid ILS, or localizer, and the MX20 must have airports turned on for this feature to be active. NDBs The NDBs option allows you to choose the type of NDB information displayed on the Map screen.

  • Page 42: Airspace

    Detailed Operation Airspace The Airspace option allows you to control the display of LINE SELECT airspaces. Pressing the key next to Airspace toggles between either the display of airspace boundaries and altitude information, boundaries alone, or no display of airspaces. LINE SELECT Press the Next Page key to display the next...

  • Page 43: High Airways

    Detailed Operation High Airways The High Airways option allows you to control the LINE SELECT display of High Airways. Pressing the next to High Airways toggles between either the display of the airway and label, airway alone, or no display of High Airways.

  • Page 44: Airport Chart

    Detailed Operation Custom Map Menu Option Page 4 The fourth option page of the Custom Map function lets you select options for choices of Airport Charts, Terrain, Obstructions, Traffic, and Lightning Strikes. Airport Chart Airport surface charts provide a graphical presentation of the airport surface area (runways, taxiways, buildings, towers and other objects), within the immediate airport vicinity.

  • Page 45: Terrain

    Limitations section on page iv. Obstructions Obstructions, such as towers and other man-made objects, are part of the MX20 updateable database. Obstructions over 250 feet high are shown on the maps with tower symbols. The symbol is color coded to signify the relative altitude of the tower to your aircraft’s altitude and follows...

  • Page 46: Traffic

    Limitations section on page iv. Strikes The Strikes menu option controls the display of lightning strike information if the MX20 receives strike data from an external source, such as the WX500. Each reported lightning strike is shown as a red “x” on the display.

  • Page 47: Ifr En Route (Ifr) Chart Function

    Invert, and turning labels on or off. This data is advisory only and does not replace primary indicators, such as the CDI. Navigation should not be baesd on the data presented on the MX20. Review the Limitations section on page iv. IFR Option Page 1...

  • Page 48: Map Orientation

    Detailed Operation Map Orientation This option controls the screen orientation in reference to the aircraft symbol. You may select from North Up, Track Up, Track Up Arc, Track Up 360, and Desired Track Up. North Up sets magnetic north as the top of the screen. Track Up sets the current track of the aircraft as the top of the screen.

  • Page 49: Label

    Detailed Operation selection plus altitude, barometer setting, track, and ground speed. Label LABEL key turns the labels for each item on or off for easy decluttering. When Labels are turned off, only the symbol for waypoints along the flight plan will remain in view when the flight plan is enabled.

  • Page 50: Airport Chart

    Detailed Operation Airport Chart Airport surface charts provide a graphical presentation of the airport surface area (runways, taxiways, buildings, towers and other objects), within the immediate airport vicinity. From either the Custom Map or the IFR en route Map, airport surface charts will automatically be loaded and displayed as an overlay if the following conditions are met: ·...

  • Page 51: Vfr Chart (Vfr) Function

    Detailed Operation VFR Chart (VFR) Function The VFR Chart function shows an VFR sectional style map for the display. Topographic features are shown. The VFR display shows navigational aid information and the flight plan course line. The “smart” keys on the bottom of the screen control zooming in and out, panning, and the display of information about the current TO waypoint.

  • Page 52: Invert

    Detailed Operation of the screen. Track Up Arc sets the current track of the aircraft and a 120° arc at the top of the screen. Track Up 360 sets the current track of the aircraft at the top of the screen and a 360°...

  • Page 53: Split Screen (Split) Function

    Detailed Operation Split Screen (SPLIT) Function The Split Screen capability allows you to display up to LINE two enabled functions side by side. Press the SELECT key next to the desired map to highlight the selection. When two functions are displayed, you must first deselect a highlighted selection before selecting another function.
  • Page 54 Detailed Operation When two functions are displayed, the left and right quarter of each function is not displayed, leaving the center half of the original display. The image is not compressed from full width to half width. Functions with an ownship symbol are displayed in Track-Up map orientation and do not include the track line and compass rose.

  • Page 55: Skywatch / Tcad Traffic (Traf) Function

    Detailed Operation Skywatch / TCAD Traffic (TRAF) Function The MX20 I/O Traffic model supports interfaces to third party traffic sensors. The traffic function, when interfaced to the Goodrich Skywatch or the Ryan TCAD is capable of displaying traffic targets as supplied by those sensors.

  • Page 56: Alert Hot Key

    Detailed Operation Alert Hot Key Traffic alerts go one step further than the Advisory hot key feature and will automatically bring up the Function Menu showing the Skywatch/TCAD function. A single key press can then be used to switch the display to the Traffic function.

  • Page 57: Traffic Status Indicators

    Label set sent by the Skywatch unit has failed the integrity check. Shown in amber. TAS Time-Out (Skywatch) MX20 is not receiving labels from the Skywatch unit. Shown in amber. No Bearing Advisories Traffic advisories without a valid bearing will be listed in text form below the ownship symbol.

  • Page 58: Tcad 9900B Menu Options

    Detailed Operation Standby Mode The Standby mode places the Skywatch unit into the standby mode. In this mode, the unit will not display traffic targets or generate traffic alerts. See the Skywatch Users Guide for additional information. Self-Test When in Standby Mode, a Skywatch Self-Test can be initiated by selecting this option.

  • Page 59: Tcad 9900Bx Menu Options

    Detailed Operation Shield Heights This allows the shield heights to be adjusted for the En Route, Standard, and Terminal shield modes. See the TCAD operator’s manual for additional details. Shield Ranges This allows the shield ranges to be adjusted for the En Route, Standard, and Terminal shield modes.

  • Page 60: Ads-B Traffic (Traf) Function

    Detailed Operation ADS-B Traffic (TRAF) Function The Traffic Function allows you to view other traffic in the area, when installed with a UAT data link radio. One of two UATs may be installed in your aircraft. The term “UAT” refers to both unless specific models are identified as either the “legacy”...

  • Page 61: Target Color

    Detailed Operation A small up or down arrow next to the identifier indicates that the traffic is climbing or descending at a rate of at least 500 feet per minute. The end of the vector line that extends beyond the point of the traffic arrow indicates where it will be at the end of the selected time interval.
  • Page 62 Detailed Operation Surface Targets Surface targets, in addition to ADS-B targets, are supported and are shown as tan, rectangular ICONs. They are displayed both on the Traffic Function page, and on the Custom Map when traffic is turned on. Surface Target Traffic Altitude Values Altitudes shown next to the traffic icon are in hundreds of feet (09 = 900 feet).

  • Page 63: Flight Plan

    Detailed Operation will be highlighted in green on the display. Surface targets cannot be selected. Traffic Option Page 1 The first option page of the Traffic function lets you select options for the choices of Flight Plan, Traffic Map Orientation, Display mode, Labeling, and Altitude. The last option selection takes you to the next page of options.

  • Page 64: Display Mode

    Detailed Operation Display Mode The display mode lets you select either a graphic or text version of traffic information. Graphic The graphic traffic display shows your location, nearby traffic, and information about the traffic. Text The text traffic display shows the distance to the traffic item, flight id, category, position, speed, and altitude.

  • Page 65: Transmit Altitude

    Detailed Operation shown relative to your altitude. A “+” indicates the target is above your altitude. A “-” indicates the target is below your altitude. For instance, if a value of +80 is shown, the value means that the indicated traffic is 8000 feet above your altitude.

  • Page 66: Ads-B Broadcast Mode Control

    Detailed Operation ADS-B Broadcast Mode Control For ADS-B equipped installs, this feature allows the pilot to control the broadcast mode of their aircraft. Broadcast options are controlled via the Traffic Function Menu and allow the pilot to toggle between Broadcast FID / Broadcast VFR / Standby.

  • Page 67: Time

    Enter Code (GDL 90 UAT only) This is where you enter the ATC-assigned transponder code. This code entered into the MX20 does not control the code on Mode A, C, or S transponders. It only sends the selected code to the GDL 90 UAT for inclusion into...

  • Page 68: Services

    Detailed Operation Traffic Menu Option Page 3 The third menu option page of the Traffic function lets you select options for the choices of Service codes and Traffic Altitude Filter. The last option selection takes you back to the first page of options. Services The Services option allows emergency broadcast functions to be sent over the data-link radio.

  • Page 69: Tis-A Traffic (Traf) Function

    Detailed Operation TIS-A Traffic (TRAF) Function The MX20 I/O supports the Traffic Information Services – Addressed (TIS-A) function when interfaced to a third party TIS-A sensor. The traffic function, when interfaced to the Garmin GTX-330 is capable of displaying traffic targets supplied by that sensor.

  • Page 70: Traffic Depiction

    Detailed Operation Traffic Depiction It is important to note that not all traffic may be displayed and that TIS-A is only an aide to visual acquisition. TIS-A is there to assist you to visually acquire other aircraft around you and does not provide any information other than making you aware of other aircraft around you that the Mode-S terminal radar can “see.”...

  • Page 71: Tis-A Menu Options

    You may then view another function by pressing key and selecting the desired function. Operate/Standby The MX20, when installed with a control wire to the GTX330, controls the TIS-A sensor operating mode. The TIS-A sensor defaults to “Operate” when turned on.
  • Page 72 Detailed Operation “TIS Coasting” to indicate that the target information is between 6 and 12 seconds old. This may happen if the TIS-A sensor has missed a radar sweep. Target brightness is also reduced to indicate this condition. “TIS Unavailable” to indicate the TIS-A sensor is operating, but outside of TIS-A service coverage.

  • Page 73: Flight Plan (Fpl) Function

    Detailed Operation Flight Plan (FPL) Function Use the Flight Plan function to view details about your UP/DOWN flight plan route. Press the arrow “smart” keys to step through the waypoints in your flight plan. Press INFO “smart” key to view information about the waypoint.

  • Page 74: Terrain (Ter) Function

    The Terrain Function shows a map of the terrain in the area relative to your airplane’s position and altitude. The MX20 has a standard internal based terrain function. The MX20 also supports an external TAWS sensor. When the external TAWS sensor is connected, it replaces the MX20’s internal Terrain function.
  • Page 75 Detailed Operation Highest Terrain Current Altitude 500 feet below your current altitude 2000 feet below your current altitude More than 2000 feet below your current altitude Use the keys at the bottom of the screen to zoom in and zoom out. The zoom range is shown in the lower left corner of the screen.

  • Page 76: Flight Plan

    Detailed Operation Color Description Terrain that is at, or above, your current altitude YELLOW Terrain that is within 500 feet of your current altitude GREEN Terrain that is within 2000 feet of your current altitude BLACK Terrain that is more than 2000 feet below your current altitude LIGHT No terrain data is available...

  • Page 77: Trk Up Arc/Trk Up 360

    Detailed Operation TRK Up Arc/TRK Up 360 This ring is marked in nautical miles from your airplane with the ring placed at one half the distance of the map scale. For instance if you have the map scales at 50 miles, the ring will be at 25 miles.

  • Page 78: External Taws-Based Terrain Display

    Navigational Bar will not be displayed. TAWS Pop-Up Modes The MX20 will detect TAWS based terrain alerts and will force a pop-up of the Terrain Function when required. Terrain based Pop-Ups have higher priority over traffic...

  • Page 79: Uat Flight Information Service (Fis) Function

    Detailed Operation UAT Flight Information Service (FIS) Function The FIS Function is capable of displaying graphical weather information on UAT equipped installations. Graphical data is overlaid on the map indicating the rainfall detected by ground based radar for a specific area. The colors indicating increasing levels of rainfall progresses from light green for light rainfall to magenta for heavy rainfall.
  • Page 80 The ground system determines the weather coverage area and extent of data that is transmitted by each ground station. The MX20 will display any weather received for the entire world.

  • Page 81: Wsi Inflightä Flight Information Service (Fis) Function

    Detailed Operation WSI InFlightä Flight Information Service (FIS) Function The Flight Information Service (FIS) Function allows access to graphic and text weather data messages on WSI InFlight-equipped installations. Graphical weather includes US and Canadian radar, METARs, and TAFs. You can select Graphical WX, Text, or Status information MENU/ENTER by pressing the key and then choosing the...

  • Page 82: Graphical Weather (Wx) Display

    Detailed Operation that have time available from a GPS receiver, age is based on the time reported by the GPS receiver. For MX20s that do not have have time available from a GPS receiver, age is based on the time the data was received from the FIS sensor.
  • Page 83 Detailed Operation · Flight Plan · Legend · Map Detail · Map Orientation Menu Options for Overlay Page 1 OVRL 1. Press the function key to allow selection of the Overlay choices when viewing the Graphical WX option. MENU/ENTER 2. Press to display menu items for the NEXT PAGE Overlay.
  • Page 84 Detailed Operation · “Z AIRMET” is for Icing AIRMET · “S AIRMET” is for an IFR condition, such as a mountain obstruction · “Other” is for other types of AIRMETs · “No Warn. Area” is to turn off all SIGMETs and AIRMETs These are collectively known as Warning Boxes and are displayed as color coded outlines of the affected area.
  • Page 85 Detailed Operation Label MENU/ENTER LABEL Press key and then press the Line Selection key to toggle the station labels on and off. Flight Plan MENU/ENTER FLIGHT PLAN Press key and then press the Line Selection key to toggle the Flight Plan course line on and off.

  • Page 86: Map Detail

    Detailed Operation When viewing the Canadian radar data, the following legends will appear. Only the lower portion of the legend changes for Canadian radar data. Map Detail MENU/ENTER Press key and then press the Map Detail Line Selection key to choose between the display of No Overlays, the Base Map, or Map and Nav Aids.

  • Page 87: Text Display

    Detailed Operation Text Display FIS text messages are available on the text display and include METARs, TAFs, AIRMETs, SIGMETs, and TFRs. Individual text messages are updated every five minutes and composed of four parts: message type, location, time and message body. Text Information Examples: TYPE LOCATION...
  • Page 88 Detailed Operation as message type, location and time stamp to handle the most common type of FIS up-link data. The different message types and data content are fully controlled by the ground broadcast systems. The airborne system will automatically display any message type that is received.
  • Page 89 “smart” key displays the label “Clear”. When pressed, all messages for the currently selected category will be flushed from the MX20. This feature can be used to clear old, bad or corrupted data received over the data link.
  • Page 90 Detailed Operation to scroll the information and the View key to exit this view. Sorting FIS Messages Special sorting capabilities are provided for in the central “location” column. This sorting allows weather reports to be sorted by location based on different criteria. When the green Selection Pointer is located in the second column, the fourth “smart”...

  • Page 91: Status Information

    Detailed Operation Status Information Status information shows satellite signal reception status, the amount of data received, and the weather products that have been activated. Contact your FIS service provider to activate and deactivate products. Lightning Strikes (LT) Function The Lightning Strike mode allows you to view lightning strikes that are reported by a Goodrich WX500 Stormscope Weather Mapping Sensor.
  • Page 92 Detailed Operation (System Data) info. The last option selection (Next Page) takes you to the next page of options.

  • Page 93: Flight Plan

    Detailed Operation Flight Plan The Flight Plan option controls the display of the Flight LINE SELECT Plan course line. Pressing the key next to the Flight Plan option toggles between showing and not showing the Flight Plan route line. 360/120 Two display views of the lightning information may be selected.

  • Page 94: Demo

    Detailed Operation Lightning Menu Option Page 2 The second option page of the Lightning function lets you select options for the choices of Demo, Self-Test for the Stormscope, Noise Monitor, and Strike Test. The last option selection takes you back to the first page of options. Demo The Demo option places the WX500 sensor in a demonstration mode that simulates lightning strikes.

  • Page 95: Strike Test

    Detailed Operation Strike Test The Strike Test feature is a function of the WX500. For details about using this feature refer to the WX500 owner’s documents. The Strike Test feature is used by installers to verify proper operation of the WX500. Test strikes are sent to the antenna.

  • Page 96: Chart View (Chart) Function (Optional)

    Detailed Operation Chart View (CHART) Function (Optional) The optional MX20 Chart View feature provides the capability to view Jeppesen Sanderson Inc. electronic charts. Two basic types of charts can be viewed: Approach charts and airport surface charts. Approach charts can be manually loaded and overlaid on the moving map during flight, while airport surface charts are automatically overlaid while on the ground.

  • Page 97: Chart Data Source

    MX20 platform. These consist of approaches, SIDS, STARS, airspace charts, and airport surface diagrams. The MX20 can display all of these charts from the Chart View Function, or a more limited sub-set as dynamic overlays on the “Custom Map” when the corresponding chart has been “Geo-Referenced”...

  • Page 98: Chart Overlay In The Custom/Ifr Map

    Detailed Operation Jeppesen. Currently not all charts and airport surface charts are geo-referenced. When a chart is viewed and a red “X” is present on the earth symbol (to the left of the chart name), the chart is NOT geo-referenced and thus cannot be “loaded.” Chart Overlay in the Custom/IFR Map On the Custom Map or the IFR En Route Map, approach charts (not airport surface charts) must be manually...
  • Page 99 The MX20 performs a complex filtering that eliminates airports and associated approach charts that are not geo-referenced, based on present position. This task is...
  • Page 100 Detailed Operation Note The pilot must be aware that not all charts in the loaded database can be used as an overlay. Once the approach chart is loaded, a green Annunciator will illuminate at the top of the screen indicating the airport name and specific chart that has been loaded.

  • Page 101: Viewing The Chart As An Overlay

    Detailed Operation 5. Adjust the zoom level using the “smart” keys. Viewing the Chart as an Overlay Display of Coverage Area Once the desired approach chart has been loaded, a green Annunciator bar with the approach name is illuminated at the top of the Custom and IFR maps.

  • Page 102: Chart Panning

    Detailed Operation screen at all times. The displayed zoom scale can be determined from the range rings on the arc and 360 displays, or from the distance to the displayed destination waypoint. When an approach chart is loaded and being displayed, the auto zoom mode will limit the low-end zoom level to 5 nm as the current waypoint is being approached.

  • Page 103: Chart View Function

    Detailed Operation Chart View Function The Chart View Function is accessed by pressing the Function key and selecting the Chart View ( CHART function. The Chart View Function incorporates five menu items that control two basic operations: · Selecting a chart (for static viewing) ·...

  • Page 104: Menu Items

    Detailed Operation Chart View Example: CHART 1. Press and then 2. Depending on Chart status last used: MENU SELECT AIRPORT Press and then the Line Select key; or Highlight the desired airport with the arrow “smart” keys SELECT and then press the “smart”...

  • Page 105: Load Current

    Detailed Operation Select Airport The Select Airport operation allows the airport of interest to be selected from a pop-up list. The airports presented in the list are determined based on the final destination waypoint as the first entry, and a nearest type search for the remaining entries.

  • Page 106: Airport Surface Charts

    Detailed Operation Airport Surface Charts Airport surface charts provide a graphical presentation of the airport surface area (runways, taxiways, buildings, towers and other objects), within the immediate airport vicinity. From either the Custom Map or the IFR en route Map, airport surface charts will automatically be loaded and displayed as an overlay if the following conditions are met: ·...

  • Page 107: Operational Considerations

    Detailed Operation interest, the list of charts will have an “Airport” entry as the first item in the list. As with standard approach charts, when viewed from the Chart View Function, the aircraft’s ownship position is not shown on the airport surface chart.

  • Page 108: Chart Notams

    Detailed Operation phase without having to manually un-load the approach and adjust the zoom scale. The transition logic is based solely on aircraft ground speed. When an approach chart is loaded and being flown, and the aircraft ground speed drops below the air/ground threshold (set from within the SYS Function), it is assumed that a landing has been performed.

  • Page 109: Typical Operational Scenario

    Detailed Operation Typical Operational Scenario The following scenarios makes the assumption that: · appropriate charts available geo-referenced · The default ground zoom level is set to 0.5nm · The default air zoom level is set to “AUTO” Typical Taxi Scenario On power up and GPS position acquisition, the Custom Map Function will show the aircraft on the surface chart at a zoom level of 0.5nm.

  • Page 110: Radar (Radar) Function

    Detailed Operation Radar (RADAR) Function The MX20 I/O Radar product supports an interface for the Allied Signal/Bendix-King ART2000/2100 and RS-181A weather radars. The ART2000 weather radar is seamlessly integrated with the other functionality of the MX20 with a “RADAR” option available from the main function menu.
  • Page 111 On initial power-up and entry to the Radar Function, the radar unit may be completing its self-test procedure and may display test data on the MX20. The radar unit will go to the Standby mode once it has completed the self-test procedure.

  • Page 112: Horizontal Mode

    Detailed Operation Weather Mode In the weather (WX) mode, the antenna is transmitting and painting reflected returns on the screen. This mode is intended for painting airborne weather and is the normal operating mode for the unit. Radar returns are painted in the following colors: ·...

  • Page 113: Radar Smart Key Operations

    Detailed Operation Vertical Mode (ART2000/2100 only) The Vertical Mode (VERT) commands the radar head to scan in the vertical plane at a pilot selectable bearing off of the nose of the aircraft. In this mode, the current Bearing angle is shown on the lower half of the display in green. Tilt Control The Tilt (TILT) control is used to adjust the current tilt angle of the radar head when horizontal sweeping is being...

  • Page 114: Cursor Pre-Select Operation (Art2000/2100 Only)

    Detailed Operation Cursor Pre-Select Operation (ART2000/2100 only) Cursor pre-select option can be used to pre-select a bearing or tilt angle prior to switching the vertical or horizontal scan mode of the display. The cursor is a cyan line extending along the Radar’s projected path and can be displayed in both the horizontal and vertical modes.

  • Page 115: System (Sys) Function

    Detailed Operation System (SYS) Function The System function allows you to set general Nav preferences, obtain version information, and perform tests on the operation of your MX20. System Nav Pages Ownship Symbol The Ownship Symbol option allows you to choose the type of icon that will represent your aircraft on the display.
  • Page 116 Detailed Operation Set Baro Correction You may enter the corrected barometric pressure so that the proper pressure altitude will be displayed. LINE SELECT 1. Press the key for Set Baro Correction. 2. The Function “smart” keys at the bottom of the display will have direction arrows above them.
  • Page 117 Slave Zoom to GPS Zoom This is only available when installed with a CNX-series GPS navigator. When enabled and the MX20 is in Auto Zoom mode, the MX20 will automatically set the zoom scale to that used on the CNX-series navigator.
  • Page 118 This is only available when installed with an CNX-series GPS navigator. This feature must be disabled when the MX20 is connected to a GPS navigator other than an CNX-series navigator. It allows the CNX-series equipment to instruct the MX20 to load a selected approach chart.

  • Page 119: System Info

    For GPS/UAT equipped installs, the SYS/INFO page shows additional details for both the internal GPS engine and the data-link status. When the MX20 is connected to a legacy UAT, the ADS-B and TIS-B Data Link Status lines are displayed. When the MX20 is connected to a...
  • Page 120 TIS-B broadcast packets received (legacy UAT only) FIS TX Textual weather data packets received FIS WX Graphical weather data packets received System Test Page The System Test Page allows you to test the display of the MX20 to ensure proper operation.
  • Page 121 Detailed Operation Test Pattern 1 The Test Pattern option displays a number of patterns and colors to test the MX20 display. Use this option to verify proper operation of the display or when contacting Customer Service. Red, Green, Blue, White Test Pattern Choosing the Red, Green, Blue, or White options floods the screen with the selected color.

  • Page 122: Caring For Your Mx20

    Detailed Operation Caring For Your MX20 Display Care and Cleaning Your MX20 has a durable display, but reasonable care must be taken to maintain its performance and life. To remove stains, smudges, fingerprints, and so forth, we recommend these cleaning methods. If the first method fails to remove the problem, try the next method.

  • Page 123: Troubleshooting

    If you cannot correct the problem, contact your dealer. If your dealer is unavailable, contact the Garmin factory at the address and phone number listed in the preceding section. Be sure to have the information from the System Info page (see page 109) and the data card available before you contact your dealer or the factory.
  • Page 124 Interference Have dealer/installer check for any interference sources Installation setup Have dealer/installer check for proper MX20 setup RTE (Route) flag Position source route Ensure that the external position source has an active route engaged ALT (Altitude) flag Serial altitude source...
  • Page 125 If you do have an ADS-B system, check the antennas and other components for proper operation Have dealer/installer check for proper MX20 setup “Special Terrain” Capstone/General This is normal for the message Aviation setup Capstone installation Have dealer/installer check for proper...
  • Page 126 Detailed Operation Problem Possible Cause Action LINK flag FIS Sensor Ensure that the FIS Installation unit is installed and functional. XPDR flag TIS-A Sensor Ensure that the TIS-A Installation unit is installed and functional. ADSB flag GDL 90 is reporting Ensure the GDL 90 is that its internal GPS installed and...
  • Page 127 Demo ....84 Index Desired track up ..26,38,42 Display ....54 Care .
  • Page 128 LT ....9 Stormscope ..2,81,83 - 84 Strike ....83 Strike test.
  • Page 130 © 2004 by Garmin Corporation, Inc. 1200 East 151st Street Olathe, KS 66062-3426 U.S.A. Phone 913.397.8200 FAX 913.397.8282 http://www.garmin.com Part #560-1026-06 Rev - May 2004...

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