Garmin GNC 420W Reference guide

Brand: Garmin

Model: GNC 420W

Type: Reference guide

190-00356-35 Rev B

GNS 400W/500W Series SW Version 4.00

Upgrade Supplement

This supplement provides information regarding new features of software version 4.00

for 400W/500W Series units.

The Pilot’s Guide and Garmin Displays Addendum have been revised for SW Version 4.00.

• GNS400W/500WSeriesPilot’sGuide&Reference,

(GarminP/N190-00356-00or190-00357-00,respectively)RevGorlater

• GNS400W/500WSeriesQuickReferences,

(GarminP/N190-00356-01or190-00357-01,respectively)RevGorlater

• GNS400W/500WSeriesGarminOptionalDisplaysAddendum

(GarminP/N190-00356-30)RevGorlater

• GNS400W/500WSeriesDisplayInterfacesAddendum,

(GarminP/N190-00356-31)RevDorlater

NOTE: The combination of the following documents is equivalent to the

Pilot’s Guide revisions listed above:

• GNS400W/500WSeriesSWVersion4.00UpgradeSupplement

(GarminP/N190-0356-35)

• GNS400W/500WSeriesSWVersion3.30UpgradeSupplement

(GarminP/N190-0356-34)

• GNS400W/500WSeriesSWVersion3.20UpgradeSupplement

(GarminP/N190-0356-33)

• GNS400W/500WSeriesSWVersion3.00UpgradeSupplement

(GarminP/N190-0356-32)

• GNS400W/500WSeriesPilot’sGuide&Reference(anyRevision)

• GNS400W/500WSeriesGarminOptionalDisplaysAddendum

(anyRevision)

• GNS400W/500WSeriesDisplayInterfacesAddendum(anyRevision)

Currentdocumentsareavailableatwww.garmin.comforfreedownload.

PrintedcopiesmaybepurchasedbycontactingGarminCustomerSupport.

190-00356-35 Rev B

400W & 500W Series Pilot’s Guides & Quick References

New Airframe Conﬁguration

SWVersion4.00softwareaddsthehelicopterairframetype.

New Aviation Database Type

ThedatabaseisdesignedforhelicoptersusingHTAWS,butmayalsobeusedwithxed-

wingaircraft.TAWSwarningsarereducednearheliports.Thisdatabasewillonlyworkwith

SWVersion4.00,orgreater,andisavailableinNavDatacardsp/n010-00875-().

Some of the airport waypoint pages may display additional information for heliports.

New Terrain Database

Thenewterraindatabasecontainshigherresolutionterraininformation(6arc-second

vs.30arc-second)thatmaybeusedbybothxed-wingaircraftandhelicopters.This

databaseisrequiredforHTAWSsystemsandisoptionalforallothers.Thisdatabasewill

onlyworkwithSWVersion4.00,orgreater,andisavailableinTerrain/Obstaclecardsp/n

010-00874-().

New Obstacle Database Type

Thenewterraindatabasecontainsadditionalobstacles,andwhiledesignedforhelicopter

installations,mayalsobeusedwithxed-wingaircraft,andisavailableinTerrain/Obstacle

cardsp/n010-00874-().Obstacleslessthan200feetAGLwillbeshown,wherethe

previousdatabaseonlydisplayedobstaclesabove200feetAGL.Thepreviousdatabase

typeisstillavailableforxed-wingaircraft.

New Audio Database

ThenewaudiodatabaseincludesmessagesforHTAWS.ItisrequiredforHTAWSandwill

be a standard part of the installation of SW Version 4.00. The audio database version will

be shown on the software version page of all units.

Helicopter Terrain Conﬁguration

Inthehelicopterairframeconguration,terrainselectionsincludeHTAWSandTerrain

Proximity.All400Wand500W-seriesunitsmaybeupgradedtoHTAWS.TheTerrainpage

legendwithHTAWSandTerrainProximityisdifferentfromtheTerrainlegenddisplayed

whenconguredasaxed-wingaircraft.

Helicopter Conﬁguration With Air/Ground Switch

InHelicopterconguration,theAir/Groundswitchoptionhasaneffectonannunciationof

trafcandthegroundspeedatwhichnavigationassumestheaircraftisontheground.

190-00356-35 Rev B

LNAV+V Description

ThedescriptionofLNAV+Vhasbeenchangedtoread,“GPSapproachusingpublished

LNAVminima.Advisoryverticalguidanceisprovided.”

Obstacle Display On Nav Map Page 2

APageMenuselectionallowsthepilottocontrolthedisplayofobstaclesonNavMap

page2.

Aux Mode - Flight Timers

Inhelicoptermode,thetimercriteriahasbeenchangedtoselectbetweenPower-Onand

InAir.

To record or reset the departure time:

1. Select“FlightTimers”fromtheUtilityPage.

2. Turn the large right knobto highlight the reset mode eld, un-

der“DepartureTime”.The reset mode eld indicates“Pwr-on”or

“GS>30kt”.

3. Turn the small right knobtoselectthedesiredresetmode.(“Pwr-

on”recordsadeparturetimewhenthe500W-seriesunitisturnedon.

“GS>30kt”recordsadeparturetimeoncetheGPS-computedground

speedexceeds30knots.)

The 500W-series unit can be conﬁgured to

record the departure time when the unit

is powered on or when your ground speed

exceeds 30 knots.

 Inthecaseofahelicopterinstallation,theDepartureCriteriais“Power-

on”or“In-air.”

190-00356-35 Rev B

4. Press ENTwhennished.

5. Toresetthedeparturetime,turnthelarge right knobtohighlight

“Reset?”andpressENT.Thiswillresetthedeparturetimetothecur-

rent time.

To view, use or reset total trip time:

1. Select“FlightTimers”fromtheUtilityPage.

2. Turnthelarge right knobtohighlighttheresetmodeeld,under“Total

TripTime”.(Theresetmodeeldindicates“Pwr-on”or“GS>30kt”.)

3. Turn the small right knobtoselectthedesiredresetmode.(“Pwr-on”

resetstriptimetozerohours/minutes/secondseachtimethe500W-

seriesunitisturnedon.“GS>30kt”resetstriptimetozeroafterpower

onandwhentheGPS-computedgroundspeedexceeds30knots.)

Turn the small right knob to select when the

trip timer resets: each time the 500W-series

unit is powered on or when ground speed

exceeds 30 knots.

 Inthecaseofahelicopterinstallation,theTotalTripCriteriaoptions

are:“Power-on”or“In-air.”

190-00356-35 Rev B

4. Press ENTwhennished.

5. Toresetthetotaltriptime,turnthelarge right knobtohighlight

“Reset?”andpressENT.

Aux Mode - Voice Callout

InAuxModeSetupPage2,theVoiceCalloutSelectionfeatureisavailableforhelicopter

mode.

TheVoiceCallout(VCO)selectionisavailablein400W/500WseriesunitsinwhichHTAWS

isinstalled.TheVCOfunctionalityprovidesavoiceannunciationoftheaircraft’sheight

aboveterrainorthenearestairport,heliport,runway,orhelipadwhenthatthresholdis

rstcrossed.Theavailablecalloutsinclude“FiveHundred”through“OneHundred”in

hundred-footintervals.ThevoicecalloutscanbeenabledanddisabledthroughtheVoice

CalloutSelectionoptionontheAUX-SETUP2page.

ToselecttheVoiceCalloutchoices,intheSetup2pageselecttheVoiceCalloutSelection

itemandthenselectthedesiredoptions.

1. Select“VoiceCallout Selection” from the Setup 2 Page andpress

ENT.

2. TheashingcursorhighlightstheVCOselection.

190-00356-35 Rev B

3. Turn the small right knobtohighlightthedesiredVCOvalue.

4. Press ENT.Thevaluesatandbelowtheselectedvaluewillbeenabled.

Thevaluesabovetheselectedvaluewillbedisabled.

190-00356-35 Rev B

Warnings and Messages

AwarningconcerningNon-WGS84waypointshasbeenaddedtotheWarningssectionof

the400Wand500WseriesPilot’sGuides.MessagesconcerningNon-WGS84waypoints

havebeeneditedforclarity.

400W/500W Series Garmin Optional Displays

Addendum

Softwareversion4.00,orlater,supportstheHTAWS(asanoptionalupgrade)and

TerrainProximity(standard)terraincongurationsforhelicoptersinboththe400W

and500Wseriesunits.FulldetailsareavailableintheGNS400W/500WSeriesGarmin

OptionalDisplaysAddendum(GarminP/N190-00356-30RevG).

TheGarminGTS8XXseriesproductsarenowavailableasoptionalTrafcAdvisorySystemunits.

DetailsareavailableintheGNS400W/500WSeriesGarminOptionalDisplaysAddendum

(GarminP/N190-00356-30RevG)andtheGTS8XXSeriesPilot’sGuide-TrafcAdvisory

System(GarminP/N190-00587-02).

GARMINInternational,Inc.

1200East151

Street,Olathe,Kansas66062,U.S.A.

Tel.913/397.8200or866/739.5687

Fax913/397.8282

GarminAT,Inc.

2345TurnerRd.,S.E.,Salem,Oregon97302,U.S.A.

Tel.503/581.8101or800/525.6726

Fax.503/364.2138

Garmin(Europe)Ltd.

LibertyHouse,BullsCopseRoad,HounsdownBusinessPark,

Southhampton,SO409RB,U.K.

Tel.+44(0)8708501243

Fax+44(0)2380524004

GARMINCorporation

No.68,Jangshu2

Road,Shijr,TaipeiCounty,Taiwan

Tel.886/2.2642.9199

Fax886/2.2642.9099

www.garmin.com

https://y.garmin.com/y-garmin

October2012      190-00356-35RevB

Garmin GNC 420W Reference guide

Garmin GNC 420W Reference guide

Garmin GNC 420W Reference guide

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