Instruction/ maintenance manual of the product GNC 420A Garmin
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G NC 420/420A Quick Reference.
GNC 420/420A Quick Reference KEYS AND KNOBS 2 190-00140-21 Rev . F Large left knob Large right knob Small left knob Small right knob NRST OBS MSG (message) FPL (flight plan) PROC (procedur es) COM Po.
GNC 420/420A Quick Reference 190-00140-21 Rev . F KEYS AND KNOBS 3 RIGHT -HAND KEYS AND KNOBS The RNG Key allows the pilot to select the desired map range. Press the up arrow to zoom out to a larger area, or the down arrow to zoom in to a smaller area.
GNC 420/420A Quick Reference POWER ON 4 190-00140-21 Rev . F 3) Once the self-test concludes , the Database V ersions P age appears which shows the current database information on the NavData® Card and T errain Data cards . Press the ENT K ey to acknowledge the Database P age and proceed to the Instrument P anel Self-test P age .
GNC 420/420A Quick Reference 190-00140-21 Rev . F FREQUENCY SELECTION 5 Selecting a frequency: 1) T urn the large left knob to select the desired mega hertz (MHz) v alue . F or examp le , the ‘135’ portion of the frequency ‘135.325’. 2) T urn the small left knob to select the desired kilohertz (kHz) value .
GNC 420/420A Quick Reference MAIN P AGE GROUPS 6 190-00140-21 Rev . F MAIN P A GE GROUPS The GNC 420’ s main pages are divided into four separate page groups: NA V , WPT , AUX, and NRST . Each page group is comprised of multiple pages. The page groups are selected using the large right knob.
GNC 420/420A Quick Reference 190-00140-21 Rev . F DIRECT -TO NA VIGA TION 7 A UX P AGE GROUP The AUX Page Group includes four pages. F li g h t Planning Utility Setup 1 Setup 2 NO TE: The flight plan pages are selected by pressing the FPL K ey and using the small right knob to select the desired page .
GNC 420/420A Quick Reference DIRECT -TO NA VIGA TION 8 190-00140-21 Rev . F Selecting a direct-to destination from the Map P age: 1 ) Select the Map P age from the NA V Page Group . 2) Press the small right knob to display a panning pointer . 3) T urn the small and large right knobs to place the panning pointer at the desired destination location.
GNC 420/420A Quick Reference 190-00140-21 Rev . F VIEWING AIRPORT INFORMA TION 9 Selecting a nearby airport or a flight plan waypoint as a direct-to destination: 1) Press the Dir ect-to K ey . 2) T urn the large right knob to highlight the nearest airport (NRST) or flight plan (FPL) field.
GNC 420/420A Quick Reference VIEWING AIRPORT INFORMA TION 10 190-00140-21 Rev . F Viewing airport information by facility name or city: 1) Select the Airport Location P age (see page 6). 2) Press the small right knob to activate the cursor . 3) T urn the large right knob to highlight the facility name (second line) or the city (third line) field.
GNC 420/420A Quick Reference 190-00140-21 Rev . F DEF AUL T NA V P AGE 11 DEF AUL T NA V P AGE Course Deviation Indicator (CDI) User -selectable Data Fields Active Leg of Flight Plan TO/FROM Flag The .
GNC 420/420A Quick Reference MAP P AGE 12 190-00140-21 Rev . F 4) T urn the small right knob to display the list of available data items . Continue turning the small right knob to select the desired data item from the list. 5) Press the ENT K ey to select the desired data item and return to the Default NA V Page .
GNC 420/420A Quick Reference 190-00140-21 Rev . F FULL SCREEN MAP 13 Selecting a different data item for any data field: 1) With Map P age displayed, press the MENU K ey to display an options menu. 2) T urn the large right knob to highlight ‘Change Fields?’ and press the ENT K ey .
GNC 420/420A Quick Reference NA VCOM P AGE 14 190-00140-21 Rev . F Inhibiting TERRAIN: 1) Select the TERRAIN Page and press the MENU K ey . ‘Inhibit T err ain?’ is selected by default. 2) Press the ENT K ey . T he ‘TER INHB’ annunciation is displayed in the TERRAIN annunciator field when TERRAIN is inhibited.
GNC 420/420A Quick Reference 190-00140-21 Rev . F NEAREST AIRPORTS 15 Scrolling through the list of fr equencies: 1) Activate the cursor , if not already active , by pressing the small right knob . 2) T urn the large right knob to move the cursor through the list of frequencies .
GNC 420/420A Quick Reference NEARBY AIRPORTS 16 190-00140-21 Rev . F Viewing additional information for a nearby airport: 1) Highli ght the identifi er of the desire d airport by scrolling through the list, as described in the preceding procedure . 2 ) Press the ENT K ey to display the Airport Location P age for the selected airport.
GNC 420/420A Quick Reference 190-00140-21 Rev . F FLIGHT PLANS 17 Creating a new flight plan: 1) Press the FPL K ey and turn the small right knob to display the Flight Plan Catalog P age . 2) Press the MENU Key to display the Flight Plan Catalog P age Menu.
GNC 420/420A Quick Reference SELECT AN APPROACH 18 190-00140-21 Rev . F Editing a flight plan: 1) Press the FPL K ey and turn the small right knob to display the Flight Plan Catalog P age . 2) Press the small right knob to activate the cursor . 3) T urn the large right knob to highlight the desired flight plan and press the ENT K ey .
GNC 420/420A Quick Reference 190-00140-21 Rev . F ACTIV A TE AN APPROACH 19 5) T urn the large right knob to highlight ‘Load?’ or ‘ Activate?’ and press the ENT Key . (‘Load?’ adds the procedure to the flight plan without immediately using it for navigation guidance.
GNC 420/420A Quick Reference FL YING AN APPROACH 20 190-00140-21 Rev . F Activating the approach with vectors to final: 1) With an approach loaded in the active flight plan, press the PROC K ey to display the Procedures P age . 2) T urn the large right knob to highlight ‘ Activ ate V ector -T o-Final?’ and press the ENT K ey .
GNC 420/420A Quick Reference 190-00140-21 Rev . F FL YING THE MISSED APPROACH 21 • A ‘ST AR T PROC TRN’ prompt will appear in the lower right corner of the display to advise the pilot when the aircraft is at a safe distance to initiate a procedur e turn.
Garmin International, Inc. 1200 East 151st Street Olathe , KS 66062, U.S .A. p: 913.397.8200 f: 913.397.8282 Garmin A T , Inc. 2345 T urner Road SE Salem, OR 97302, U .S.A. p: 503.391.3411 f: 503.364.2138 Garmin (Europe) Ltd. Liberty House , Bulls Copse Road Hounsdown Business P ark Southampton, SO40 9RB, U.
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If you have not bought Garmin GNC 420A yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Garmin GNC 420A - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Garmin GNC 420A you will learn all the available features of the product, as well as information on its operation. The information that you get Garmin GNC 420A will certainly help you make a decision on the purchase.
If you already are a holder of Garmin GNC 420A, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Garmin GNC 420A.
However, one of the most important roles played by the user manual is to help in solving problems with Garmin GNC 420A. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Garmin GNC 420A along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
