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Garmin GNS 420W - page 1
190-00356-01 Rev E 400W Series Quick Refer ence ...
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Garmin GNS 420W - page 2
© 2006-2009 Garmin Ltd. or its subsidiaries This manual reflects the operation of Main System Software version 2.00, 3.00, or later . Some differ ences in operation may be observed when comparing the information in this manual to earlier or later software version. All rights reserved. Except as expressly pr ovided herein, no part of this manual m ...
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Garmin GNS 420W - page 3
1 190-00356-01 Rev E CAUTION: The Global P ositioning System is operated by the United States government, which is solely responsible for its accuracy and maintenance . T he system is subject to changes which could affect the accuracy and performance of all GPS equipment. Although the Garmin 400W-series are precision electronic NA Vigation AIDs (NA ...
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Garmin GNS 420W - page 4
2 190-00356-01 Rev E Model Descriptions This guide covers the operation of the GPS 400W , GNC 420W , GNC 420A W , GNS 430W , and GNS 430A W . In general, all models will be referred to as the 400W -series , except where there ar e physical or operational differ ences. The 400W -series units are 6.25” wide and 2.66” high. The display is a 240-by ...
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Garmin GNS 420W - page 5
3 190-00356-01 Rev E 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 mom ...
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Garmin GNS 420W - page 6
4 190-00356-01 Rev E Right-hand Keys and Knobs R The range key ( RNG ) allows you to select the desired map scale. Press the up arr ow 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 ) disp ...
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Garmin GNS 420W - page 7
5 190-00356-01 Rev E Bottom Row Keys GPS 400W GNC 420W GNS 430W N The nearest ( NRST) key (GPS 400W and GNC 420W only) displays the nearest airports page. Then, turning the small right knob steps through the NRST pages. C In the GNS 430W , the CDI key is used to toggle which navigation source (GPS or VLOC) provides output to an external HSI or CDI. ...
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Garmin GNS 420W - page 8
6 190-00356-01 Rev E POWER ON Powering on the Unit 1. T urn the COM power/volume knob clockwise to turn the unit on and set the desired radio volume . 2. T he Main and GPS softw are 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 conclude ...
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Garmin GNS 420W - page 9
7 190-00356-01 Rev E Screen Layout (windows) COM Window GPS Window Active Fr equency on top & Standby on bottom (active window highlighted by cursor) { { VLOC Window { The 400W -series display is divided into four separate “windows” (or screen areas). The top left 1/4 of the display provides a COM window (top two lines) and a VLOC window (b ...
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Garmin GNS 420W - page 10
8 190-00356-01 Rev E P AGE SELECTION NRST Group Nearest Airport Nearest Inter section Nearest NDB Nearest VOR Nearest User Wpt Near est Center Nearest FSS Nearest Airspace A UX Group Flight Planning Utility Setup 1 Setup 2 Airport Location WPT Group Airport Runway Airport Frequency Airport Ap proach Airport Arrival Airport Departur e Intersection N ...
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Garmin GNS 420W - page 11
9 190-00356-01 Rev E Default NA V Page TO/FROM Flag Course Deviation Indicator (CDI) Active Leg of Flight Plan User -selectable Data Fields The following symbols are used (directly below the CDI) to depict the active leg of a flight plan or direct-to: Course to a W aypoint, or Desir ed Course between T wo W aypoints Dir ect-T o a W aypoint V ector ...
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Garmin GNS 420W - page 12
10 190-00356-01 Rev E MAP P AGE Map Page User -selectable Data Fields Map Display Pr esent Position Map Scale The follow - ing symbols are used to depict the various airports and navaids on the map page: Airport with har d surface runway(s); Primary runway shown Airport with soft surface runway(s) only Private Airfield Intersection VOR VOR T AC VOR ...
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Garmin GNS 420W - page 13
11 190-00356-01 Rev E NA VCOM Page The NA VCOM page provides a list of the airport com- munication and navigation frequencies at your departure, en route and arrival airports. Assigned Fr equency Fr equency Category Usage Restriction Information Scroll Bar Departur e, En Route or Arrival Airport T o Select a Frequency List for a Departure, En Route ...
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Garmin GNS 420W - page 14
12 190-00356-01 Rev E AIRPORT INFORMA TION Viewing Airport Information 1. F rom any page , pre ss and hold CLR to select the default NA V page. (Y ou may skip this step if you are already viewing any of the main GPS pages .) 2. T urn the large right knob to select the WPT page group . “WPT” will appear in the lower right corner of the screen. 3 ...
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Garmin GNS 420W - page 15
13 190-00356-01 Rev E T o Select a Direct-T o Destination 1 . Press the direct-to k ey . A Select Direct-T o W aypoint page will appear , with the way - point 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 ag ...
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Garmin GNS 420W - page 16
14 190-00356-01 Rev E T o View a List of the Nearest Airports 1. F rom any page , pres s an d hol d th e CLR k ey to select the default NA V page . Y ou may skip this step if you are already viewing any of the main GPS pages . 2. T u r n t h e large right knob to select the NRST page group . “NRST” will appear in the lower right corner of the s ...
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Garmin GNS 420W - page 17
15 190-00356-01 Rev E T o Create a New Flight Plan 1. Press the FPL k ey and turn the small right knob to display the flight plan catalog. 2. Press the MENU k ey to display the flight plan catalog options . 3. T urn the lar ge right knob to highlight “Create New Flight Plan?” and press the ENT k ey . 4. A blank flight plan page will appear f ...
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Garmin GNS 420W - page 18
16 190-00356-01 Rev E APPROACHES Selecting Approaches In order to select an appr oach, you must first have an active direct-to or flight plan that termi- nates at an airport with a published approach. 1. Press the PROC key to display the procedures page . 2. T u r n t h e large right knob to highlight “Select Approach?” and press the ENT key ...
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Garmin GNS 420W - page 19
17 190-00356-01 Rev E Activating an Approach 1. With an approach loaded in the active flight plan, press the PROC k ey to display the procedures page . 2. T u r n t h e large right knob to highlight “ Activate Approach?”. 3. Press the ENT k ey . Activating an Approach with V ectors-T o-Final The “Activate V ector -T o-Final?” option allows ...
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Garmin GNS 420W - page 20
18 190-00356-01 Rev E 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 desti- nation airport. LPV , LNA V+V , and L/VNA V approaches will downgrade to LNA V if GPS integrity cannot be met. There is no need to switch to guidanc ...
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Garmin GNS 420W - page 21
19 190-00356-01 Rev E Annunciation Description LPV Localizer P erformance with V ertical guidance (LPV) approach. Fly to LPV minimums . A yel- low background indicates that the approach is safe to continue but a downgrade to LNA V may occur . LP LP indicates Localizer P erformance with no vertical guidance . L/VNA V Lateral Navigation and V ertical ...
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Garmin GNS 420W - page 22
20 190-00356-01 Rev E ...
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Garmin GNS 420W - page 23
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Garmin GNS 420W - page 24
190-00356-01 Rev E © 2006-2009 GARMIN Corporation GARMIN International, Inc. 1200 East 151 st Street, Olathe, Kansas 66062, U.S.A. T el. 913/397.8200 or 800/800.1020 Fax 913/397.8282 Garmin A T , Inc. 2345 T ur ner Rd., S.E., Salem, Oregon 97302, U.S.A. T el. 503/581.8101 or 800/525.6726 Fax. 503/364.2138 Garmin (Europe) Ltd. Liberty House, Hounsd ...
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