ImmersionRC LapRF Personal Edition Manual de usuario

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

LapRFPersonalTimingSystem

PreliminaryOperator'sManual

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Rev0.99-May2017

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Specifications

5.8GHzRFDetection

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Frequency

5.3-6.0GHz

ProgrammableAttenuation

0-32dB

Antenna

Customlinearlypolarized(SuitableforLHCP,RHCP,Linearuse)

Channels

Arbitrary(definedbyconnectedapp.)

Pilots

1-8,dependinguponrequiredprecisionandgatespeed

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Mechanical

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Dimensions

L=100mm,W=100mm,H=25mm

Weight

121g



Battery



Cell

18650,2600mAh,3.7Vnominal

Consumption

~300mA@3.7V



Bluetooth

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Standard

BLE,BluetoothSmart

Antenna

InternalCE-compliant,orexternaldipoleforextrarange(upto50m)

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AppSupport

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Platforms

iOSandAndroid

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SoftwareInterface

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Ports

BluetoothWireless,andUSBWired

Protocol

LapRFCommsProtocol(availableuponrequestfordevelopers)

PCSoftware

LiveTimescoringenginelateJune2017

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 

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2

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Introduction

TheLapRFPersonalEditionisthefirstinafamilyofracetimingsystemsfromImmersionRC.

LapRFtechnologyusestheemitted5.8GHzRFfromracequadcopters(orfixedwingaircraft)to

detectapassagethroughthestart-finishgate.

Differentfromotherofferingsonthemarket,theLapRFusescustomtimingreceiverswithspecially

designedantennastoensurethatonlyquadswhichpassthroughthe‘beam’aretimed,andother

sourcesofinterferenceareignored.

AllthatisrequiredtousetheLapRFinaraceistoprogramtheband,andchannelthateachpilotwill

use,placethetimerinthestart/finishgate,andgofly!Notranspondersrequired.

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3

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GettingStarted

ChargingtheBattery

UsingastandardUSBMicrocablechargethetimingpuckforatleast3hoursbeforeuse.

Ok,sonobodyactuallywantstodothis…thebatteryisdeliveredapprox.70%charged,andwon’tbe

damagedifthetimerispoweredup,andafewlapsflown.Donotrunitforlongthoughbeforechargingitto

preventpermanentdamagetothebattery.

App.Download

Searchfortheterm‘LapRF’ineithertheiOSApp.store,ortheGoogleplaystore.

Downloadthefreeapp.andinstall.

PoweringOn

TopowerontheLapRF,pressandholdthepowerbutton,locatedontheundersideofthetimer,for

about4secondsuntiltheLEDslightup,andtheLapRFbeeps.

Topoweroff,repeatthisprocedure.

ConnectingtotheLapRF

iOS:Openthe‘RaceSetup’pageoftheLapRFapp,andselectyourtimer’sID(shownonthelabelon

thebottomofthetimer)fromthelistshown.

The‘StartRace’iconontheRacepageshouldgogreentoindicateagoodconnection.

ConfiguringtheBands/Channels

OncetheLapRFisconnected,clickonthe‘LapRFSetup’iconandconfigureyourbandsandchannels.

Theswitchontheleftenables/disableseachpilotslot,besuretodisableunusedslotsformaximum

accuracy.

Oncethebandandchannelhavebeenselected,thefrequencyisdisplayed.

Usethepowerswitchtoselectthepowerlevelthatyouwillberunning.

Clickthe‘WriteSettingstoLapRF’buttontoprogramthetime.Notethatoncetheseare

programmed,thesettingswillpersistevenwhenthetimerispowercycled.

Finally,Race!

ClickontheRacebutton,andthen‘StartRace’.



‘GogglesDown,Thumbsup’

JoeScully-Sometimein2015

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4

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Placement

ThelapRF’sintegratedpatchantennaformsabeamwhichemitsfromthetopoftheproduct.

Idealplacementisinthecenterofthegate,butthatdoesexposeittostrikesfromlow-flying(high

speed)racers.

Asmallholeinthegroundworkswelltoprotectitforgrasstracks,orwherethisisnotpossible,

eitherprotectthetimerfromstrikesplacingasolidobjectinfrontofit,orplacethetimerata45

degreeanglefromonecornerofthegate.

WhenlayingouttracksforRFtiming,avoidpartsofthetrackwhichcomeclosetothetiminggateto

preventfalsereadings.

Forstartgridpositioning,placeitatleast5mfromthegatetoensurethatthefirstcrossingis

registered.

BatteryCharging

Theinternal18650li-ionbatterymaybechargedbysimplyconnectingthepucktoaUSBpower

sourceusingastandardmicro-Bcable.

Themaximumchargecurrentisapprox.800mA,whichresultsinachargetimeofalittlemorethan3

hours.

Forextendeduse,the18650maybeeasilyswappedoutandreplacedwithafullychargedpack.

WARNING:18650batteriescanbeextremelydangerousifmishandled.Keeping

unprotectedbatteriesinyourpocket,especiallywithothermetallicobjects,canresultinan

explosion,andsevereburns.

Alwaysuseaprotectivecarryingcasewhentransportingthesecells.

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Whenpurchasingbatteries,name-brandcellsfromreputablesourcesarehighlyrecommended.Many

ofthe‘budget’cellsavailablefromonlineresellersmaynotbeassafeasgenuinecells.

BatteryLife

Thesupplied2600mAhcellshouldsufficeforapprox.8hoursofracing.Asthecellvoltagereduces,

thegatewillautomaticallyturnoff,afterbeepingtowarntheuserapprox.5minutesbefore.

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5

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iOSApplicationforiPhoneandiPad

MainScreen

Themainscreenshowsthelaptimes,includingaverage,best,andtotaltimes,foreachactivepilot.

Timesingreenarethebestlaptimesforeachpilot.

Note:Whenatimingsystemisnotconnected,touchingthelargepilotnumberontheleftsideofthescreen

willcreateamanualtime,andcanbeusedtoevaluatetheapp.

Thecolorifthe‘StartRace’buttoncurrentlyindicatesavalidconnectiontothelapRF.Redforno

connection,Greenforagoodconnection.

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6

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LapRFSetup

ThelapRFsetuppageiswherethenumberofactivepilotsisset,plusthebandandchannelthateach

pilotisusing.

Inaddition,thepowerlevelusedfortherace(allpilotsshouldideallyusethesamevTxpower)isset

here,alongwitha‘sensitivitytweak’whichworksabitliketheexposurecorrectiononmosthigh-end

cameras.

Ifyouaremissinglaps,increasesensitivity,ifyouaregettingfalsehits,decreaseit.



Thisisagoodtimetotalkaboutpilotcount,anditseffectonresolution/accuracy/gatespeed.

Thepersonaltimehasasingletimingmodule,whichscanseachoftheactivechannels.

Whenasinglepilotisenabled,theRFsignalis‘sampled’atthemaximumrate,andsupportsquads

flyingthroughthestart/finishgateatover160km/h.

Whenasecondpilotisenabled,thetimingmodulehastotogglebetweenthetwochannels,reducing

theaccuracyofeachchannel,anddecreasingmaximumgatespeed.

Inpractice,for250sizedquads,withpilotsoftypicalskilllevel,4pilotscaneasilyshareasinglelap

timer.

Forslowerquads,tiny-whoopclassforexample,evenmorepilotslotsmaybeenabled.

Forthebestaccuracyat200km/h+gatespeeds,andupto16pilots,thelapRFEventsystemisa

betterchoice,andshouldbeusedforlargerevents.AvailabilityJuly2017.

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7

 



RaceSetup

TheRaceSetuppageiswheremiscellaneousracesettings/preferencesareconfigured.



RaceStartDelay

Configurethedelaybetweenhittingthe‘StartRace’buttonandtheracestarting.Useittogivetime

togetyourgogglesonbeforeflying.

StartTimeFrom

FPVracesareusuallyeitherconfiguredtostartfromthetone(startgridispositionedafterthe

Start/Finishgate),orfrom‘FirsttoGate’,wherethestartgridispositionedbeforeit.

Withthelatter,laptimesareforfulllaps,includingthefirstlap.

RaceType

Forraceswithafixednumberoflaps,select‘LapCount’,andsetthenumberoflapstoberaced.

Forraceswhicharefixed-time,select‘FixedTime’andbesuretoentertheRacetime.

ForPracticeevents,select‘Practice’,theracewillcontinuetorunandrecordlaptimesuntilyour

LiPoscroak.Notethatonlythefirst8timeswillbeshownontheRacepage.



8

 



Diagnostics

Thediagnosticspageshouldn’tnormallyberequired,butcanbeausefultoolduringdebugging.

TheRSSIlevelofeachconfiguredpilotslotisshown.Poweronvideotransmittersandwalkthem

throughthegatetoensurecorrectconfigurationofthelapRF,andthevideotransmitteritself.

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 

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9

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Bands,Channels,andFrequencies

TheapplicationswhichsupportthelapRFdefinethebandsandchannelsthatareavailableforarace.

Allofthecommonlyusedbandsarepresent.



1

2

3

4

5

6

7

8



L

5362

5399

5436

5473

5510

5547

5584

5621

LowBand*

F

5740

5760

5780

5800

5820

5840

5860

5880

IRC/FS

R

5658

5695

5732

5769

5806

5843

5880

5917

RaceBand

E

5705

5685

5665

5645

5885

5905

5925

5945

BandE

B

5733

5752

5771

5790

5809

5828

5847

5866

BandB

A

5865

5845

5825

5805

5785

5765

5745

5725

BandA



Note:Thebandthatwerefertoas‘LowBand’isnotlegalinmostcountriesworldwide

withoutanappropriatelicense.Inmanycountriesaspecialeventlicensemaybeobtainedfor

officialracesinareaswhereinterferencemaybeminimized.

Pleasecheckwithyourlocalradio-communicationauthoritybeforeusingthisband.



 



10

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