400W Series Quick Reference
Comm Freq Flip/Flop Photocell for AutoDimming Com Freq Window Nav Freq Window Graphic Moving Map Display and Navigation Info Direct-To Key Range Keys Power and Com Volume/Squelch Clear Key Enter Key Terrain Database Card Aviation Database Card Waypoint and arrival alerts, turn advisories, function, and page number Nav Radio Volume Nav Radio Freq Flip/Flop Large Knob Com/VLOC Freq (MHz) Small Knob Com/VLOC Freq (kHz) Menu Key Large Knob Terrain, Flight Phase, and GPS Integrity Annunciator Cam Loc
MODEL DESCRIPTIONS Model Descriptions This guide covers the operation of the GPS 400W, GNC 420W, GNC 420AW, GNS 430W, and GNS 430AW. In general, all models will be referred to as the 400W-series, except where there are physical or operational differences. The 400W-series units are 6.25” wide and 2.66” high. The display is a 240-by-128 pixel color LCD.
KEYS AND KNOBS Left-hand Keys and Knobs k In the GNC 420W and the GNS 430W, the COM power/volume knob controls unit power and communications radio volume. Press the knob momentarily to enable/disable automatic squelch control. j In the GNS 430W, the VLOC volume knob controls audio volume for the selected VOR/ Localizer frequency. Press momentarily to enable/disable the ident tone.
KEYS AND KNOBS Right-hand Keys and Knobs R The range key (RNG) allows you to select the desired map scale. Press the up arrow side of the key to zoom out or the down arrow side to zoom in. D The direct-to key allows you to enter a destination waypoint and establishes a direct course to the selected destination. m The menu key (MENU) displays a contextsensitive options list. The options list allows you to make settings changes that relate to the currently displayed page.
KEYS Bottom Row Keys F The flight plan (FPL) key allows you to create, edit, activate and invert flight plans, as well as access approaches, departures and arrivals. A closest-point-to-flight-plan feature is also available from the flight plan key. P The procedures (PROC) key allows you to select approaches, departures and arrivals from your active flight plan. When using a flight plan, available procedures for your departure and/or arrival airport are offered automatically.
POWER ON Powering on the Unit 1. Turn the COM power/volume knob clockwise to turn the unit on and set the desired radio volume. 2. The Main and GPS software version page appears briefly, followed by land and terrain database pages, as the unit conducts self-tests to ensure proper operation. 3. Once the self-test concludes, database confirmation pages are displayed, showing the effective and expiration dates of the databases on the NavData® card.
SCREEN LAYOUT/CURSORS/FREQ SELECTION/DATA ENTRY Frequency Selection Screen Layout (windows) Active Frequency on top & Standby on bottom (active window highlighted by cursor) { VLOC Window { COM Window { If the tuning cursor is not currently in the desired window (COM or VLOC), press the small left knob momentarily to switch the highlight between the COM and VLOC windows. Adjusting the frequencies with the large and small left knobs will affect the standby frequency. 2.
PAGE SELECTION (Small right knob to select pages within the group) NAV Group Map Default NAV Terrain NAVCOM (Large right knob to change page groups) Airport Location Airport Runway Airport Frequency Airport Approach VOR VNAV User Waypoint Utility Airport Arrival Airport Departure Intersection Selection of any main page is performed using the large and small right knobs. When the GPS window cursor is off, the large right knob selects the page group: NAV, WPT, AUX or NRST.
DEFAULT NAV PAGE / ANNUNCIATORS Default NAV Page To Select a Different Data Item for any Data Field Course Deviation Indicator (CDI) TO/FROM Flag User-selectable Data Fields Active Leg of Flight Plan The following symbols are used (directly below the CDI) to depict the active leg of a flight plan or direct-to: 1. With the default NAV page displayed, press the MENU key to display an options menu. 2.
MAP PAGE Map Page User-selectable Data Fields Map Display To Turn the Data Fields On/Off on the Right Side of the Map 1. With the map page displayed, press MENU to display an options menu. 2. Turn the large right knob to highlight “Data Fields Off?” and press the ENT key. 3. To re-display the data fields, follow steps 1 and 2, but instead select “Data Fields On?” from the options menu.
NAVCOM PAGE / TERRAIN PAGE frequencies in the list than can be displayed on the screen, a scroll bar along the right-hand side of the screen will indicate which part of the list is currently being displayed. NAVCOM Page The NAVCOM page provides a list of the airport communication and navigation frequencies at your departure, en route and arrival airports.
AIRPORT INFORMATION 4. From any page, press and hold CLR to select the default NAV page. (You may skip this step if you are already viewing any of the main GPS pages.) Use the small and large right knobs to enter the facility name or city location of the desired destination waypoint. As you spell the facility name or city, the 400W series Spell’N’Find feature will select the first entry in the database based upon the characters you have entered up to that point. 5.
DIRECT-TO NAVIGATION To Select a Direct-To Destination 1. Press the direct-to key. A Select DirectTo Wa y p o i n t p a g e will appear, with the waypoint identifier field highlighted. 2. Use the small and large right knobs to enter the identifier of the desired destination waypoint. 3. Press ENT to confirm the selected waypoint. Press ENT again to activate the direct-to function. To Select a Direct-To Destination by Facility Name or City 1. Press the direct-to key.
NEAREST AIRPORTS finished, press the small right knob to return the flashing cursor to the screen. To View a List of the Nearest Airports 1. From any page, press and hold the CLR key to select the default NAV page. You may skip this step if you are already viewing any of the main GPS pages. 2. Turn the large right knob to select the NRST page group. “NRST” will appear in the lower right corner of the screen. 3. If necessary, turn the small right knob to select the nearest airport page. 4.
FLIGHT PLANS To Create a New Flight Plan 1. Press the FPL key and turn the small right knob to display the flight plan catalog. 2. Press the MENU key to display the flight plan catalog options. 3. Turn the large right knob to highlight “Create New Flight Plan?” and press the ENT key. 4. A blank flight plan page will appear for the first empty storage location. Use the small and large right knobs to enter the identifier of the departure waypoint and press the ENT key. 5.
APPROACHES Selecting Approaches In order to select an approach, you must first have an active direct-to or flight plan that terminates at an airport with a published approach. 1. Press the PROC key to display the procedures page. 2. Turn the large right knob to highlight “Select Approach?” and press the ENT key. 3. A window will appear listing the available procedures. Turn the large right knob to highlight the desired procedure and press the ENT key. 4.
APPROACHES Activating an Approach 1. With an approach loaded in the active flight plan, press the PROC key to display the procedures page. 2. Turn the large right knob to highlight “Activate Approach?”. 3. Press the ENT key. Activating an Approach with Vectors-To-Final The “Activate Vector-To-Final?” option allows you to activate the final course segment of the approach.
APPROACHES maintained. If this occurs, the GPS receiver should not be used for primary navigation guidance. Revert to an alternate navigation source, or select an alternate destination airport. LPV, LNAV+V, and L/VNAV approaches will downgrade to LNAV if GPS integrity cannot be met. There is no need to switch to guidance by other navigation equipment unless GPS LNAV is insufficient or integrity degrades further. • Within 31 nautical miles of the destination airport, CDI scaling will transition from 2.
APPROACHES Annunciation 18 Description LPV Follow lateral and vertical guidance to LPV minimums. A yellow background indicates the current VPL and/or HPL values are not adequate for the approach and is an early indication that downgrading will occur if conditions do not improve. L/VNAV GPS approach identified in the database as LNAV/VNAV. Fly to LNAV/VNAV minimums. LNAV+V Non-precision GPS approach with advanced vertical guidance.
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