Garmin GNC® 420W Reference guide

Category
Navigators
Type
Reference guide
400W / 500W Series
Display Interfaces
Pilot’s Guide Addendum
L-3 STORMSCOPE
®
WX-500 Weather Mapping
Sensor
L-3 SKYWATCH
®
Trafc Advisory System
(Model SKY497)
L-3 SKYWATCH
®
HP Trafc Advisory System
(Model SKY899)
Bendix/King
®
KTA870 TAS/KMH880
Multi-Hazard Awareness System
Ryan TCAD 9900B and 9900BX
This Pilot’s Guide Addendum is written for:
•GarminGPS400W,GNC420W/420AW,andGNS430W/430AWMainSystemSoftwareVersions2.00,3.00,and
later
•GarminGPS500W&GNS530W/530AWMainSystemSoftwareVersions2.00,3.00,andlater
Somedifferencesinoperationmaybeobservedwhencomparingtheinformationinthismanualtoearlierorlatersoft-
wareversions.
©2009GarminLtd.oritssubsidiaries.AllRightsReserved.
GarminInternational,Inc.,1200East151
st
Street,Olathe,KS66062,U.S.A.
Tel.913/397.8200or800/800.1020 Fax913/397.8282
GarminAT,Inc.,2345TurnerRd.,S.E.,Salem,Oregon97302,U.S.A.
Tel:503/581.8101 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
nd
Road,Shijr,TaipeiCounty,Taiwan
Tel.886/2.2642.9199 Fax886/2.2642.9099
Exceptasexpresslyprovidedherein,nopartofthisaddendummaybereproduced,copied,transmitted,disseminated,
downloadedorstoredinanystoragemedium,foranypurposewithouttheexpresspriorwrittenconsentofGarmin.Garmin
herebygrantspermissiontodownloadasinglecopyofthismanualandofanyrevisiontothismanualontoaharddrive
orotherelectronicstoragemediumtobeviewedandtoprintonecopyofthismanualorofanyrevisionhereto,provided
thatsuchelectronicorprintedcopyofthismanualorrevisionmustcontainthecompletetextofthiscopyrightnoticeand
providedfurtherthatanyunauthorizedcommercialdistributionofthismanualoranyrevisionheretoisstrictlyprohibited.
Informationinthisdocumentissubjecttochangewithoutnotice.Garminreservestherighttochangeorimproveits
productsandtomakechangesinthecontentwithoutobligationtonotifyanypersonororganizationofsuchchangesor
improvements.
January2009 PartNumber190-00356-31Rev.D PrintedinU.S.A.
Garmin
®
is a registered trademark of Garmin Ltd. or its subsidiaries and may not
be used without the express permission of Garmin Ltd. or its subsidiaries. STORM-
SCOPE
®
and SKYWATCH
®
are registered trademarks of L-3 Avionics Systems, Inc.
Bendix/King
®
is a registered trademark of Honeywell International, Inc.
1
190-00356-31 Rev. D
CAUTION: The Global Positioning System is operated by the United States government, which is solely responsible for its
accuracy and maintenance. The system is subject to changes that could affect the accuracy and performance of all GPS equip-
ment. Although the Garmin 400W/500W Series units are precision electronic NAVigation AIDs (NAVAIDs), any NAVAID can be
misused or misinterpreted and therefore become unsafe.
CAUTION: Use the 400W/500W Series units at your own risk. To reduce the risk of unsafe operation, carefully review and
understand all aspects of the Owner’s Manual and the Flight Manual Supplement, and thoroughly practice basic operation
prior to actual use. When in actual use, carefully compare indications from the unit with all available navigation sources,
including the information from other NAVAIDs, visual sightings, charts, etc. For safety, always resolve any discrepancies before
continuing navigation.
CAUTION: Use the Garmin 400W/500W Series units and the Traffic/Weather Interface at your own risk. To reduce the risk of
unsafe operation, thoroughly practice basic operation prior to actual use. When in actual use, carefully compare indications
from the Garmin 400W/500W Series Unit with all available navigation sources, including the information from other NAVAIDs,
visual sightings, charts, etc. For safety, always resolve any discrepancies before continuing navigation. The altitude calculated
by the Garmin 400W/500W Series Unit is the geometric height above mean sea level and could vary significantly from the
altitude displayed by pressure altimeters in the aircraft.
CAUTION: The Jeppesen database incorporated in the Garmin 400W/500W Series units must be updated regularly in order to
ensure that its information is current. Updates are released every 28 days. A database information packet is included in your
Garmin 400W/500W Series unit package. Pilots using an out-of-date database do so entirely at their own risk.
CAUTION: The Traffic and Weather information contained in this Pilot’s Guide Addendum is not intended to replace the docu-
mentation that is supplied with the applicable Garmin 400W/500W Series unit. The user of the Traffic and Weather Interface
should know how to operate the 400W/500W series unit and be knowledgeable about the information in the 400W/500W
Pilot’s Guides.
NOTE: This Pilot’s Guide Addendum is not intended to replace the documentation that is supplied with the Garmin
400W/500W Series unit and the applicable weather/traffic system.
Foreward
Warnings and Cautions
2
Table of Contents
SECTION 1: INTRODUCTION ...........................................3
SECTION 2: L-3 STORMSCOPE INTERFACE ....................4
L-3 STORMSCOPE Description ........................................ 4
Power-Up Self-Test ........................................................ 4
User-Initiated Test .......................................................... 4
Displaying Storm Data on the Map Page ......................... 5
Clearing the Map Page ................................................... 7
Lightning Page—400W Series ........................................ 8
Lightning Page—500W Series ........................................ 8
Lightning Display............................................................ 9
Lightning Display Interpretation ...................................... 9
SECTION 3: SKYWATCH INTERFACE .............................10
Introduction ................................................................. 10
SKYWATCH Description ................................................ 10
Power-up Self-Test ........................................................ 10
User-initiated Test ......................................................... 11
Voice Announcements .................................................. 11
Switching Between Standby and Operating Modes ........ 11
Altitude Display Mode .................................................. 12
Traffic Page .................................................................. 12
Traffic Warning Window ................................................ 12
Traffic Page Display Range ............................................ 13
Configuring Traffic Data on the Map Page ..................... 13
Highlighting Traffic Data Using Map Panning................. 14
Monitoring Traffic ......................................................... 14
Failure Response .......................................................... 15
Description of Traffic Advisory Criteria ........................... 15
SECTION 4: RYAN TCAD INTERFACE ............................16
Ryan TCAD Description ................................................. 16
Operator Controls and Basic Displays ............................ 16
Configuring TCAD Data on the Map Page ..................... 17
Monitoring Traffic ......................................................... 18
Highlighting Traffic Data Using Map Panning................. 18
TCAD Setup Page ......................................................... 18
Traffic Page Fields ......................................................... 19
Air Shield ..................................................................... 20
Traffic Warning Window ................................................ 20
Threat Acquisition ........................................................ 20
Audible and Visible Alerts ............................................. 20
Fault Displays ............................................................... 20
Limitations ................................................................... 20
Forward
Table of Contents
L-3 STORMSCOPE
®
WX-500 Weather Mapping Sensor
L-3 SKYWATCH
®
Trafc Advisory System (Model SKY497)
HP Trafc Advisory System (Model SKY899)
Bendix/King
KTA870 TAS/KMH880 Multi-Hazard Awareness System
RYAN TCAD
Model 9900B
Model 9900BX)
190-00356-31 Rev. D
3
SECTION 1: INTRODUCTION
TheGarmin400W/500WSeriesunitsprovidethedisplayinterfaceandcontrolforthefollowingtrafcand
weatherdevices/systems:
•L-3STORMSCOPE
®
WX-500WeatherMappingSensor
•L-3SKYWATCH
®
TrafcAdvisorySystem(ModelSKY497)
•L-3SKYWATCH
®
HPTrafcAdvisorySystem(ModelSKY899)
•Bendix/King
®
KTA870TAS/KMH880Multi-HazardAwarenessSystem
•RyanTCAD9900Band9900BX
Theinterfacecapabilityallowstrafcandweatherdatatobeshownonthe400W/500Wseriescolordisplay,
whichgivesyoutheabilitytoquicklyidentifytrafcandweatherhazardsrelativetoyouraircraft.
190-00356-31 Rev. D
Section 1
Introduction
4
SECTION 2:
L-3 STORMSCOPE INTERFACE
L-3 STORMSCOPE Description
NOTE: Refer to the WX-500 Pilot’s Guide for a detailed
description of the WX-500 STORMSCOPE.
TheL-3STORMSCOPEWX-500WeatherMap-
pingSensorisapassiveweatheravoidancesystem
thatdetectselectricaldischargesassociatedwith
thunderstormswithina200-NMradiusoftheaircraft.
TheSTORMSCOPEmeasuresrelativebearingand
distanceofthunderstorm-relatedelectricalactivityand
reportstheinformationtothedisplay.Interfaces are
currently only available for the WX-500 STORM-
SCOPE System.
The 400W/500W Series units perform a self-
test during power-up to ensure proper opera-
tion of the applicable interface components.
Power-Up Self-Test
Thepower-upself-testensuresthattheWX-500
functionsareoperatingproperly.Anerrormessage
isdisplayedontheMessagePageifdataisnolonger
beingreceived.
User-Initiated Test
Inadditiontothepower-uptest,theWX-500per-
formsacontinuousself-test.Thiscontinuousself-test
isperformedseveraltimesperminute.Auser-initiated
testcanalsobeperformed.TheWX-500Pilot’sGuide
listsallofthepossiblefaults,probablecauses,and
recommendedactionsifsystemfailuresarenoted.
In addition to the power-up test, the user can
perform a self-test that is executed through
the 400W/500W Series unit display.
To perform a user-initiated test:
1. From the default Nav Page, turn the small
right knob to select the Lightning (LTNG)
Page.
2. Press MENU to display the Page Menu.
3. Turn the small right knob to select “Self-
Test?” and press ENT.
190-00356-31 Rev. D
Section 2
L-3 Stormscope Interface
5
Displaying Storm Data on the Map Page
TheMapPagedisplayscellorstrikeinformation
usingyellowlightningstrikesymbologyoverlaid
onamovingmap.Thisaddedcapabilityimproves
situationalawareness,whichinturnmakesitmuch
easierforthepilottorelatestormactivitytoairports,
NAVAIDs,obstaclesandothergroundreferences.
NOTE: Storm data is displayed on the Map Page only if
aircraft heading is available.
Innormaloperation,thecurrentmodeandrate
aredisplayedinthetoprightcorneroftheMapPage
andthebottomrightcorneroftheLightningPage.
Themodeisdescribedbytheword“STRIKE”whenin
strikemode,or“CELL”whenincellmode.
NOTE: Cell mode uses a clustering program to iden-
tify clusters of electrical activity that indicate cells.
Cell mode is most useful during periods of heavy
storm activity. Displaying cell data during these peri-
ods frees the user from sifting through a screen full
of discharge points and helps to better determine
where the storm cells are located.
190-00356-31 Rev. D
Storm Activity
Storm Data Displayed on the Map Page
Strike Rate
Cell Mode
Section 2
L-3 Stormscope Interface
6
190-00356-31 Rev. D
The strike data display phases are:
1. Lightning Symbol (latest strikes; less than one
minute; a black guard band is placed around
the strike symbol during the first six seconds
of display).
2. Large Plus “+” sign (more than one minute
old).
3. Small Plus “+” sign (more than two minutes
old).
4. Strike Data is no longer displayed (after three
minutes).
To configure storm data on the Map Page:
1. From the default Nav Page, turn the small
right knob to select the Map Page.
2. Press MENU to display the Page Menu.
3. Turn the small right knob to select ‘Setup
Map?’ and press ENT.
4. The flashing cursor highlights the GROUP field.
Turn the small right knob to display the Map
Setup Options Menu. Turn the small right
knob to select “Weather” and press ENT.
5. The flashing cursor highlights “Weather” in
the GROUP field. Turn the large right knob to
select the desired lighting mode field. Turn the
small right knob to select the desired mode
and press ENT. Repeat for the remaining fields
and options.
6. Return to the Map Page by pressing CLR.
NOTE: Only the data that is viewable on the screen is
included in the strike rate. Therefore, you can zoom in
and see what the strike rate is locally, or you can zoom
out for a bigger picture.
Also, when panning with the cursor on the Map Page,
you can zoom in and isolate individual cells. Please
note, however, that strike data is not typically updated
on the Map Page while the panning cursor is on.
Therefore, when the panned map is first displayed, the
data is only a “snapshot” of conditions (as mentioned
above, the strike rate will reflect viewable data only).
Section 2
L-3 Stormscope Interface
77
190-00356-31 Rev. D
Clearing the Map Page
RoutinelyclearingtheMapPageofalldischarge
pointsisagoodwaytodetermineifastormisbuild-
ingordissipating.Inabuildingstormdischargepoints
reappearfasterandinlargernumbers.Inadissipating
stormdischargepointsappearslowerandinsmaller
numbers.
Clearing discharge points from the Map Page.
To clear the Map Page of all discharge
points:
1. From the default Nav Page, turn the small
right knob to select the Map Page.
2. Press MENU to display the Page Menu. Turn
the small right knob to select “Clear Storm
Data?” and press ENT.
Changing the Storm Data Display Range
Stormdatacanbedisplayedonthe2000NM
zoomscale,butthedataonlygoesoutasfarasthe
STORMSCOPEcanreport(200NM).The500NM
zoomscalewilldisplayalllightningdata.Scales
greaterthan500NMdonotdisplayanyadditional
STORMSCOPEdata.
Changing the storm data display range on
the Map Page.
To select a storm data display range:
1. From the default Nav Page, turn the small
right knob to select the Map Page. Press
MENU to display the Page Menu.
2. Turn the small right knob to select “Setup
Map?” and press ENT. Turn the small right
knob to select the Weather Group and press
ENT. Turn the large right knob to select the
desired lightning symbol option. Turn the small
right knob to select the desired range and
press ENT.
Section 2
L-3 Stormscope Interface
88
Lightning Page—400W Series
InadditiontotheMapPage,stormdatacanalsobeviewedontheLightningPage. Inthe400WSeries,When
theSTORMSCOPEisconnectedtotheunit,theLightningPageappearsaftertheTrafcPageinthesequenceof
NavPages.
Default NAV
Map
NAVCOM
Position
Satellite
Status
VNAV
Traffic
Lightning
Terrain
XM Wx
Lightning Page—500W Series
InadditiontotheMapPage,stormdatacanalsobeviewedontheLightningPage. Inthe500WSeries,when
theSTORMSCOPEisconnectedtotheunit,theLightningPageappearsaftertheTrafcPageinthesequenceof
NavPages.
Map
Traffic NAVCOM Satellite
Status
Lightning
Terrain
Default Nav
XM Wx
190-00356-31 Rev. D
Section 2
L-3 Stormscope Interface
99
190-00356-31 Rev. D
Lightning Display
TheLightningPagedisplayseithera360°ora120°
viewingangle.Innormaloperation,thecurrentstrike
rateisdisplayedinthetoprightcorner,accompanied
inthetopleftcornerbytheword“LTNG”.Whenin
strikemode,“Strike”isdisplayedinthelowerright
handcorneroftheWeatherPageandwhentheunit
isincellmode,“Cell”isdisplayedinthelowerright
handcorneroftheLightningPage.
To select the desired Lightning Display
Mode:
1. From the default NAV Page, turn the small
right knob to select the
Lightning
Page.
2. Press MENU to display an options menu.
3. Select the desired display angle from the
options menu and press ENT.
Strike Rate
Storm Activity
Lightning Display
Orientation
Method
Weather Mode
Stormscope Operation
Lightning Display Interpretation
Forlightningdisplayinterpretation,studythe
examplesintheWX-500Pilot'sGuidethatare
designedtohelpyourelatethecellorstrikepatterns
shownonthedisplaytothesizeandlocationofthun-
derstormsthatmaybenearyouraircraft.
Section 2
L-3 Stormscope Interface
1010
190-00356-31 Rev. D
SECTION 3: SKYWATCH INTERFACE
Introduction
Withtheexceptionoftrafcdisplayrangeselec-
tions,allinformationinthissectionpertainingtothe
displayandcontroloftheL-3SKYWATCH(SKY497)
alsoappliestotheL-3SKYWATCHHP(SKY899)and
theBendix/KingKTA870/KMH880—thisincludes
TCAS-likesymbology.Trafcdisplayrangeselections
areasfollows:
• SKYWATCH(SKY497)—2NM,2and6NM,and
6and12NM.
• SKYWATCHHP(SKY899)—2NM,2and6NM,
6and12NM,and12and24NM.
• Bendix/KingKTA870/KMH880—2NM,2and
6NM,6and12NM,12and24NM,and20and
40NM.
The Standby Screen appears when the
SKYWATCH passes the power-up test. NOTE:
when the system is in standby, the SKY-
WATCH does not transmit, interrogate, or
track intruders aircraft.
SKYWATCH Description
PleaserefertotheSKYWATCHPilot’sGuidefora
completedescriptionoftheSKYWATCHsystem.
Traffic Page showing Bendix/King KTA 870/
KMH traffic near the 40 nautical mile range,
at 10 o’clock above.
Power-up Self-Test
CheckforthefollowingtestcriteriaontheTrafc
Pageduringpower-up:
1. If the SKYWATCH passes the power-up test and
your aircraft has both a squat switch and is on
the ground, the Standby Screen is displayed
(see sidebar).
2. If the SKYWATCH passes the power-up test
and your aircraft has both a squat switch and
is airborne, the Traffic Page is displayed on the
6-NM display range and in the normal altitude
display mode.
3. If the SKYWATCH passes the power-up test and
your aircraft does not have a squat switch, the
Standby Screen is displayed.
4. If the SKYWATCH continues to fail, please refer to
the failure response section in the SKYWATCH Pilot’s
Guide on actions to take.
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To begin tracking intruder aircraft
1. Turn the cursor on and highlight STBY.
2. Turn the small right knob to select OPER.
3. Press ENT to confirm operating mode and
begin tracking intruder aircraft.
Operating Mode is confirmed by the display
of “OPER” in the upper right-hand corner of
the Traffic Page.
NOTE: The FAILED message occurs when the system
detects an error and prohibits further traffic display
operation as long as this message stays on the screen.
User-initiated Test
NOTE: A user-initiated test can only be performed
when in standby or failed mode.
Inadditiontothepower-uptest,theSKYWATCH
performsacontinuousself-test.Thiscontinuousself-
testisperformedseveraltimesperminute.Auser-
initiatedtestoftheSKYWATCHinterfacecanalsobe
performed.
To perform a user-initiated test:
1. Turn the small right knob to select the Traffic
Page.
2. From the Traffic Page, press MENU to display
the Page Menu.
3. Turn the small right knob to select “Self
Test?” and press ENT.
Voice Announcements
SeetheSKYWATCHPilot’sGuideforinformation
onvoiceannouncements.
Switching Between Standby and Operating Modes
Theunitmustbeinoperatingmodefortrafc
tobedisplayed.Theabilitytoswitchoutofstandby
intooperatingmodeonthegroundisespeciallyuseful
forscanningtheairspacearoundtheairportbefore
takeoff.
To switch into Operating Mode from
Standby Mode:
1. Press the cursor knob and highlight
STBY”. Turn the small right knob to select
“OPER?”.
2. Press ENT to confirm and place the SKYWATCH
in operating mode.
NOTE: The SKYWATCH switches out of standby into the
6-NM display range. If your aircraft has a squat switch
and you do not manually switch out of standby, the
SKYWATCH will automatically switch out of standby 8
to 10 seconds after takeoff.
To switch into Standby Mode from the Traf-
fic Page:
1. Turn the cursor on and highlight “OPER”.
2. Turn the small right knob to select
STBY?”.
3. Press ENT to confirm and place the SKYWATCH
in standby mode.
NOTE: If your aircraft has a squat switch, STBY is
not displayed while you are airborne but will go into
standby 24 seconds after landing. This delay allows the
SKYWATCH to remain in the operating mode during a
touch-and-go maneuver.
Section 3
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Altitude Display Mode
The name of the selected altitude display
mode (ABV: look up, NRM: normal, BLW: look
down, or UNR: unrestricted) is displayed
in the upper left-hand corner of the Traffic
Screen. The SKY 497 continues to track up
to 30 intruder aircraft within its maximum
surveillance range, regardless of the altitude
display mode selected.
To change the Altitude Display Mode:
1. From the Traffic Page, turn the cursor on,
highlight the current mode and turn the small
right knob to cycle through the options.
2. With each turn of the knob, the screen changes
to display the traffic detected within the selected
altitude display range. The 400W/500W Series
screen also displays unrestricted traffic (UNR)
having a range of maximum specified by the
SKYWATCH Pilot’s Guide. Please refer to the
SKYWATCH Pilot’s Guide for information
regarding altitude display ranges.
3. Note that confirmation is not required. The
mode is changed immediately when using the
small right knob. Turn the cursor off when
selection is made.
Traffic Page
TrafccanbedisplayedbothontheMapPage
(onlyifheadingisavailable)andontheTrafcPage.
Altitude Display Mode
Display Range
Traffic Advisory
(with no bearing information)
Operating Mode
Traffic
Traffic Page
Traffic Warning Window
Whentheunitisnotonthetrafcpageandatraf-
cthreatisimminent,theTrafcWarningWindowis
displayed.TheWarningWindowshowsasmallmap
andcandisplaytheTrafcPage(iftheuserpresses
ENT)orreturntothepreviouspage(iftheuserpresses
CLR).
Traffic Warning Window
NOTE: The Traffic Warning Window is disabled when
the aircraft ground speed is less than 30 knots or when
an approach is active.
Section 3
Skywatch Interface
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190-00356-31 Rev. D
NOTE: SKYWATCH data is only displayed on the Map
Page if suitable aircraft heading data is available. See the
Garmin 400W or 500W Series Installation Manuals avail-
able at your authorized Garmin service center for details.
Traffic Page Display Range
YoucanchangethedisplayrangeontheTrafc
Pageatanytime.
1. Press the RNG Key to cycle through the fol-
lowing range options:
• SKYWATCH(SKY497)—2NM,2and6NM,and
6and12NM.
• SKYWATCHHP(SKY899)—2NM,2and6NM,
6and12NM,and12and24NM.
• Bendix/KingKTA870/KMH880—2NM,2and
6NM,6and12NM,12and24NM,and20and
40NM.
Configuring Traffic Data on the Map Page
Thedisplayoftrafcinformationisdesignedto
closelyresemblethedisplaysymbologyusedbyL-3
ontheSKYWATCH.Traffic is only displayed on
the Map Page if aircraft heading data is available.
When heading is not available, Traffic Advisories
are displayed as non-bearing banners on the Map
Page.
Selections for configuring traffic data are
made from the Map Setup Menu on the Map
Page.
To configure traffic on the Map Page:
1. Turn the small right knob to select the Map
Page.
2. Press MENU to display the Page Menu. Turn
the small right knob to select “Setup Map?”
and press ENT.
3. The flashing cursor highlights the GROUP field.
Turn the small right knob to select Traffic and
press ENT.
4. Turn the large right knob to select the desired
Traffic Mode option. Turn the small right knob
to select the desired option and press ENT.
Repeat the step for Traffic Symbol and Traffic
Label.
5. Return to the Map Page by pressing CLR.
Trafcmodeallowstheoperatortochoosewhich
trafcisdisplayed(alltrafc,trafcandproximityadvi-
sories,ortrafcadvisoriesonly).Thetrafcsymbolisthe
symbolusedtodepictthetypeoftrafc(400W/500W
SeriesandL-3usethesamesymbology):
•TrafcAdvisories(TA)—Yellow
•ProximityAdvisories(PA)—White
(maybeconguredasCyan)
•Other—White(maybeconguredasCyan)
NOTE: Proximity Advisories (PA) are displayed as
solid white diamonds (may be configured as cyan).
SKYWATCH shows these PAs as “other” (hollow dia-
monds). PAs are defined as traffic within the 4.0-NM
range, with ± 1200 feet of altitude separation, and not
a traffic advisory (TA).
Thetrafclabelisthealtitudeseparationaboveor
belowthesymbolandtheverticalspeedsensearrow
Section 3
Skywatch Interface
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190-00356-31 Rev. D
totherightofthesymbol.FromtheMapPage,you
candisplaytrafcinathumbnailformatinanyof
thetopthreedataelds(topfoureldsonthe500W
Series)ontherightsideoftheMapPage.
When a Traffic Advisory is active, the “Traffic” banner is dis-
played in the lower right corner of the Map Page.
To display Thumbnail Traffic on the Map Page
1. Turn the small right knob to select the Map
Page.
2. Press MENU to display the Page Menu.
3. Turn the small right knob to select ‘Change
Fields?’ and press ENT.
4. Select one of the top three fields (top four
fields on the 500W Series). Select TRFC from
the Select Field Type List and press ENT. Note
that the thumbnail range defaults to 6 NM and
cannot be changed.
Highlighting Traffic Data Using Map Panning
Anothermappagefunctionispanning,which
allowsyoutomovethemapbeyonditscurrentlimits
withoutadjustingthemapscale.Whenyouselect
thepanningfunction—bypressingthesmall right
knob—atargetpointerflashesonthemapdisplay.A
windowalsoappearsatthetopofthemapdisplay
showingthelatitude/longitudepositionofthepointer,
plusthebearinganddistancetothepointerfromyour
presentposition.
When the target pointer is placed on traffic,
the traffic range and altitude separation are
displayed.
To select the panning function and pan the
map display:
1. Press the small right knob to activate the
panning target pointer.
2. Turn the small right knob clockwise to
move up, or turn it counterclockwise to move
down.
3. Turn the large right knob clockwise to move
right, or turn it counterclockwise to move left.
4. To cancel the panning function and return to
your present position, press the small right
knob.
Whenthetargetpointerisplacedontrafc,the
trafcrangeandaltitudeseparationaredisplayed.The
trafcisidentiedas:
TA:TrafcAdvisory,PA:ProximityAdvisory,
TRFC:OtherTrafc
Monitoring Traffic
SeetheinformationintheSKYWATCHPilot’s
Guideregardingmonitoringtrafconthedisplayand
thecorrespondingactionstotake.
Section 3
Skywatch Interface
15
190-00356-31 Rev. D
Failure Response
Errorsindicatedbya“FAILED”messageonthe
screenpreventcontinueduseoftheSKYWATCH.
PleaseseetheL-3SKYWATCHPilot’sGuidefor
detailedinformationonFailureResponse.
Description of Traffic Advisory Criteria
ForadescriptionofTrafcAdvisorycriteriaand
displayinterpretation,pleaseseetheSKYWATCH
Pilot’sGuide.
The SKYWATCH Pilot’s Guide contains
detailed information on traffic advisory and
display interpretation.
Section 3
Skywatch Interface
16
SECTION 4: RYAN TCAD INTERFACE
Allinformationinthissectionpertainingtothedis-
playandcontroloftheRyan9900BTCADalsoapplies
totheRyan9900BXTCADexceptforthefollowing:
• TCAS-like symbols are used in the 9900BX.
TCADsymbolsareusedwiththe9900B(seethe
tableonpage17).
• Altitude modes are available (normal, look up,
lookdown,unrestricted).
• Rangesaremanuallycontrolledinsteadofbeing
automaticallyre-sizedtothecurrentshield.
• Trafcdisplayrangeselectionsaredifferent:
-Ryan9900B—rangeisslavedtocurrentshield
size.
- Ryan9900BX—1NM, 1and2 NM,2and
6NM,6and12NM,and12and24NM.
See the Ryan TCAD Pilot’s Handbook for a
description of the traffic symbols.
Ryan TCAD Description
NOTE: Refer to the Ryan TCAD Pilot’s Guide for a
detailed description of the Ryan TCAD System.
TheRyanTCAD(TrafcandCollisionAlert
Device)isanon-boardairtrafcdisplayusedto
identifypotentialcollisionthreats.TCADcomputes
relativealtitudeandrangeofthreatsfromnearby
ModeCandModeS-equippedaircraft.TCADwillnot
detectaircraftwithoutoperatingtranspondersorthose
thatarebeyondradarcoverage.TCAD,withindened
limits,createsa“shield”ofairspacearoundtheaircraft
thatdetectedtrafccannotpenetratewithouttrigger-
inganalert.
Operator Controls and Basic Displays
Ifthereisnocommunicationbetweenthe
400W/500WSeriesunitdisplayandtheTCADunit,a
messagewillappear,notifyingtheuser.Afterinitial-
ization,proceedwithoperationofthe400W/500W
Seriesunitinanormalmanner.TCADdatacanbe
shownina“thumbnail”viewontheMapPage.
The Map Page can display TCAD traffic in any
of the top three fields (or top four fields on a
500W Series unit) located on the right-hand
side of the display.
TCADdataalsodisplaysontheTrafcPageand
MapPages,ifheadingdataisavailable.Thesymbols
forclosingandopeningtrafcshownonboththeMap
PageandtheTrafcPageareidenticaltothoseshown
ontheRyanTCAD:
190-00356-31 Rev. D
Section 4
Ryan TCAD Interface
17
9900B (TCAD) Symbols
TRFC (White)—Altitude separa-
tion >500 feet, steady altitude
separation
(color may be configured as cyan)
TA (Yellow)—Altitude separa-
tion £500 feet, steady altitude
separation
TRFC (White)—Altitude separa-
tion >500 feet, closing
(color may be configured as cyan)
PA (White)—Altitude separa-
tion £500 feet, opening
(color may be configured as cyan)
TRFC (White)—Altitude separa-
tion >500 feet, opening
(color may be configured as cyan)
TA (Yellow)—Altitude separa-
tion £500 feet, closing
9900BX (TCAS) Symbols
Traffic Advisory
Proximity Advisory
(color may be configured as cyan)
Other Traffic
(color may be configured as cyan)
Out-of-Range Traffic Advisory
Configuring TCAD Data on the Map Page
Thedisplayoftrafcinformationcloselyresembles
thedisplaysymbologyusedbytheRyanTCAD.Traf-
fic data is only displayed on the Map Page if head-
ing data is available.
You can configure TCAD data on the Map Page using the Map
Setup Menu.
To configure Traffic on the Map Page:
1. Turn the small right knob to select the Map
Page.
2. Press MENU to display the Page Menu.
3. Use the small right knob to select “Setup
Map?” and press ENT.
4. The flashing cursor highlights the GROUP field.
Turn the small right knob to display the Map
Setup Options Menu. Turn the small right
knob to select Traffic and press ENT.
5. Turn the large right knob to select the desired
Traffic Mode option. Turn the small right knob
to select the desired option and press. Repeat
the step for Traffic Symbol and Traffic Label.
6. Return to the Map Page by pressing CLR.
TheMapPagehastheabilitytodisplaytrafcin
athumbnailformatinanyofthetopthreeelds(top
foureldsona500WSeriesunit)ontheright-hand
sideoftheMapPage.
190-00356-31 Rev. D
Section 4
Ryan TCAD Interface
18
To display Thumbnail Traffic on the Map
Page:
1. Turn the small right knob to select the Map
Page.
2. Press MENU to display the Page Menu.
3. Use the small right knob to select “Change
Fields?” and press ENT.
4. Select one of the top three fields (top four
fields on a 500W Series unit). Select TRFC
from the Select Field Type List and press ENT.
Note that the thumbnail range defaults to 6
NM and cannot be changed for TCAD 9900BX
and slaves to the current shield size for TCAD
9900B.
Monitoring Traffic
RefertotheinformationintheTCADPilot’sGuide
regardingmonitoringtrafconthedisplayandthe
correspondingactionstotake.
Highlighting Traffic Data Using Map Panning
Panningisanothermappagefunction,which
allowsyoutomovethemapbeyonditscurrentlimits
withoutadjustingthemapscale.Whenyouselect
thepanningfunction—bypressingthesmallright
knob—atargetpointerashesonthemapdisplay.A
windowalsoappearsatthetopofthemapdisplay
showingthelatitude/longitudepositionofthepointer,
plusthebearinganddistancetothepointerfromyour
presentposition.
When the target pointer is placed on traffic,
the traffic range, squawk code (if available),
and tail number (if available) are displayed.
To use the map panning feature:
1. Press the small right knob to activate the
panning target pointer.
2. Turn the small right knob to move up (turn
clockwise), or down (turn counterclockwise).
3. Turn the large right knob to move right (turn
clockwise), or left (turn counterclockwise).
4. To cancel map panning and return to your pres-
ent position, press the small right knob.
Whenthetargetpointerisplacedontrafc,the
trafcrange,altitudeseparation,squawkcode(ifavail-
able),andtailnumber(ifavailable)aredisplayed.The
trafcisidentiedasfollows:
TA:TrafcAdvisory.Thisistrafcwith500feet,or
less,ofaltitudeseparationthatisconvergingor
maintainingaltitudeseparation.
PA:ProximityAdvisory.Thisistrafcwith500feet
ofaltitudeseparationthatisnotaTA.
TRFC:Othertrafc.
TCAD Setup Page
TheRyanTCADSetupPageisaccessedfromthe
TrafcPage.TheTCADSetupPageallowsyouto
conguretrafcdata.Thedenitionsoftheavailable
optionsarelistedintheTCADPilot’sHandbook.
190-00356-31 Rev. D
Section 4
Ryan TCAD Interface
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Garmin GNC® 420W Reference guide

Category
Navigators
Type
Reference guide

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