Left-Hand Keys and Knobs The Power/Volume knob controls unit power and radio volume (Nav and Com). Push the knob in to turn the unit on. Pull the knob out to turn the unit off. When in Com or Nav radio modes, turn the knob to control audio volume.
Powering Up the GNS 480 Starting Up The GNS 480 performs internal checks and shows the status of the tests during start up. The startup screen, owner name (if entered), testing, position, and database information shows on the screen for several seconds and then shows the first Map page.
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SCREEN LAYOUT EXAMPLES Transponder Active Active Flight Plan Page (Expanded)
DISPLAY SYMBOLS The following symbols are used on the map display to depict active legs of flight, waypoint types, and your aircraft. Turn Left for next flight plan leg Turn Right for next flight plan leg No course change Left Procedure Turn Outbound Arc to the Left Arc to the Right...
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COM AND NAV RADIO Comm Radio (COM) • Press COM to activate Com mode. • Turn Large knob to change MHz. • Turn Small knob to change kHz. • Press <—> to toggle Active and Standby frequency. • Press SQ to toggle activation of auto squelch. •...
DIRECT-TO NAVIGATION Direct-To Navigation Press the Direct-To key to get to the Direct- To function which allows you to quickly navigate from your present position directly to a selected waypoint. You can also use this function to make changes to a flight plan, set up a user-defined holding pattern, sequence directly to a selected leg in your flight plan, fly a Course To or Course From a selected...
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3. Use the Large knob to select the waypoint in the flight plan. 4. Press the Direct menu item smart key. The GNS 480 will navigate direct to the selected waypoint. Direct-To a Waypoint Not in Your Active Flight Plan 1.
MOVING MAP MODE (MAP) Moving Map Mode The Map mode provides a moving map for a graphic display of your flight including the surrounding area as well as navigation information. Maps are generally drawn with aircraft Ground Track at the top of the display (Up). True North is at the top of the display for the non-moving maps for inserting holds, procedures, and intercepts.
MAP NAV INFO (MAP) / PAN MODE (PAN) Setting Nav Info in Map Mode You can customize the Nav information displayed on the left side of the display for Map Mode pages 2, 3, and 4. You can select these options as described below. 1.
USER WAYPOINTS (USER) / SYSTEM MODE (SYS) User Waypoints (USER) The GNS 480 can hold up to 500 user-defined waypoints. These waypoints can be based on either lat/lon position or range and bearing from a reference point. In the User Waypoint function, you can create new waypoint, edit existing ones, or search for a User waypoint.
While viewing the Nearest waypoints that have frequency information, you can transfer the displayed frequency to the Active or Standby frequency. The GNS 480 automatically knows if it is a Com or a VOR frequency. 1. Press NRST. 2. Press the menu item key for the waypoint type you want to search.
WAYPOINT INFO (INFO) Waypoint Information (INFO) Info mode allows you to view information about the se- lected waypoint. Examples of selecting a waypoint can be: highlighted waypoint in the flight plan, waypoint selected from Nearest Waypoint list, waypoint selected in Pan mode, or a waypoint selected from the database.
CHECKLISTS (CHK) / MESSAGES (MSG) Checklist (CHK) The Checklist function allows you to create up to eight checklists with up to 100 lines of text in each. You can use this feature as a method to create customized checklists for in-cockpit review. Creating a New or Editing an Existing Checklist 1.
FLIGHT PLANNING (FPL) Create a New Flight Plan 1. Press FN and then the FPL function smart key. 2. Press the New function smart key. 3. Use the Large and Small knobs to select the Origin waypoint and then press Menu/Enter. 4.
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flight plan library. Nav Display (NAV) The GNS 480 displays a track-based Horizontal Situation Indicator (HSI) view. The Nav function is reached by pressing the NAV smart function key. The layout, annunciations, and nav data are similar to Map mode. Distance to the destina- tion is shown in the top left corner.
SIDs are associated with the departure airport. STARs and IAPs are associated with the destination airport. After creating your flight plan, you can select an approach, departure, or arrival procedure so the GNS 480 can guide you through the procedure. 1. Press the PROC function smart key for Procedure Mode. The Origin and Destination waypoint of your active flight plan are...
When the course leg becomes active, press the SUSP key to “unsuspend” waypoint sequencing. You may reengage roll steering on your autopilot. The GNS 480 will then fly the Hold Entry and Holding auto- matically. Non-roll steering autopilots or manual flight may be accomplished by flying to the CDI.
TRANSPONDER (XPDR) Remote Transponder Mode C/S(XPDR) Change Ident 1. Turn the Large knob to highlight numbers. 2. Turn Small knob to change numbers. 3. Automatically saved after selecting 4th number or press Menu/Enter. 1. Press CRSR knob in. 2. Press 0 - 7 numbers in the order desired. •...
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Traffic Mode (TFC) The Traffic function is reached by pressing the FN key and then the TFC func- tion smart key. Traffic is displayed relative to the latest reported position. The relative altitude of the traffic from your aircraft is shown as above (+) or below (-) in hundreds of feet.
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