Instruction Manual

KR-420XT
Installation
InstallingtheAntenna
●Pleaseuseplasticmountsandaplasticantennatube.Pleasekeeptheantennawireelevatedtothe
highestpositionavailable.
●Pleasedonotuseametalantennamountbecauseitwillcreateproblems.
●Toprotectthemainantenna,inserttheantennaintotheantennatube.
AntennaInstallationLocation
Pleasekeepdistancetothereceiversite,duetonoise
sourcesofthebattery,motor,ESC,etc.Ifpossible.
Pairing
Set up for fail safe
Setup steps
1, Turn on the transmitte and receiver.
2,Operate and hold trigger to the position of fail safe.
3,Push st-up button on the receivew
③ ,Please release set-up button ,when LED are light off.
Instruction Manual
2.4GHz XT compatible micro receiver
At this time we would like to thank you for purchasing the KR-420XT. Please read this instruction manual before using this product. Also please read the
instruction manual of the transmitter being used. Also,these infrmation for products may be changed without anaunncement. Please understand with
advance.
For your safety
Please note the handling and use of this product.
Warning
Thecontentsofthisdisplayshowapossibilityofdeathorwhereaseriousinjurymayoccur
WarningorahighlysubstantialdamagingaWarningaccidentmayoccur.
●Thisproductismanufacturedforsurfaceuseradiocontrols.*Discontinueuseforallotherpurposes.Discontinueuseintheeventofathunderstorm.
*Thereisdangerofalighteningboltstrikingtheantennaofthetransmitter.●Discontinueusewhenconsumingalcoholormedicationthatmayhinderconcentrationorjudgment.*Unexpected
accidentsarecausedwithajudgmentmistake.●Whenrainandpuddlesarepresent,pleasediscontinueuse.*Therearetimeswhenwaterentersintotheequipmentandcontrolwillbelost.
●Onlyusethebatteriesspecifiedintheinstructionmanualofthetransmitter.●Toturnthesystemon,startbyturningonthetransmitterthenthereceiver.Toturnoffthesystem,turnoffthe
receiverfirst,thenthetransmitterinthissequence.●Pleasebesuretouseonlyourproductsforthetransmitterandservos.*Concerningthedamageandthelike,whichisgeneratedwhen
combiningproductsthatarenotourcompany'sgenuineproductswedonotoweresponsibility.●Alteringthetransmissionmoduleisinhibitedbylawandissubjectedtopenalcodeviolations.
Resolutionremodelingofallproductsmayresultinthecauseofashortandotheraccidents.Inaddition,ifthisproductisalteredwewillrefuserepairservice.
●Pleasedonotusethisproductinsideanairplane,hospital,nearanyautomaticcontrolequipment,medicalelectricalmachineryandapparatussuchasfirealarms.Inadditionwithrespecttothe
law,ifthisproducteffectsotherradioequipmentandelectronicequipment,usemustbediscontinuedatonce.
Ourcompanycannotoweresponsibilityfromthenatureoftheradiocontrolmodels
Andthecustomerassumesallresponsibilitiesthatresultfromthisproductbeingused.
ThisdisplaysshowsthepossibilityorasubstantiallydamagingaccidentwhichcancauseAttentioninjury.
Attention
●Pleaseavoidstorageinaplaceofhightemperaturesandhighhumiditybecauseitmaycausethebreakdown,damageanddeformationoftheproduct.●Pleasenotewhenusingwithanengine
model,placewhereexhaustandthewasteoilwillnotcomeintocontactwiththeproduct.*Incaseofsubmerginginoilorwater,pleasesenditoutforrepair.●Thisproduct'sperformanceis
designedforuseintheshownspecifiedusagewhichisbasedonthisinstructionmanualandtheinstructionmanualofthetransmitterwhichisused.Whentheinstructionsarenotunderstood,
pleasecontactourservicedepartmentforadvise.●Afterverifyingthesafetyofuse,thinkofalltheaccidentspossibleandpleaseenjoywithresponsibility.
Summaryofthisproduct
1. 2.2.4GHzFHSSmicroreceiver
Itisthesmallest,lightestreceiverinthisclass.
*Refertotheinstallationinstructionsbelow.
Nameofparts
Features
St up button
LED
Antenna
CompatibleforTwowayscommunication
Youcanusesensorsanddevicewhichare
compatibleforcompatiblefortwowayscommunications.
3.
REALTIMEICSsupport.
Youcanchangedevicesettingvalue
whichsupportREALTIMEICS
withoutturnoffpower.
Whenachannelisnotinuseandto
preventdirtanddust,attach
theprovidedconnectorcap.
Specfications
●RF mode: 2.4GHz XT methot.●HCS/Normal /Serial are supported. ●Except serial are maximum 4 channels.Serial is maximum 8ID. ●Fail safe
function. ●operation voltage: 4.8 to 7.4V ●Dimentions: 30.9. x 18.4 x 5cm ●Weight: 5.8g(Normal antenna) 5.4g(short antenna)
●Compatible Transmitter:EX-NEXT. Can not use with FHSS or DS mehod radios.
Forthepreventionofthelossofthe
antennatube,useadhesivetosecure.
Antennatip3cm(silverwire)isthe
workingpartoftheantenna.
※ Donotdisconnectorcuttheantenna.
Antenna
①Prepare the transmitter (or module) for the pair process.
（Please read the instruction manual of the compatible transmitter or module.）
②While pushing the set button on the receiver, turn the power source ON,
or push the setup button when had powered on.
③Release the set button when the LED lamp of the receiver lights up. Once it goes out, it will illuminate again
and the pairing will be complete. If the LED is flashing or dim, please try to set again.
④Please quit pairing mode of the transmitter.
Receiver is change to normal working automaticaly after pairing.
Light off
④,LED is light on again.
Device for can useing
For FCC
Fail safe setting are finished.
Please be sure to check this setting is
correct or not.
The following products can be used by connecting to this product.
In addition, our operation guarantee is only for our products. If it is a product of another company,
please use it at your own risk.
1, PWM compatible servo and speed controller
It is a product sold for general radio control. Products that are currently maintainable are eligible. Please note
that operation is not guaranteed for products that have already been excluded from maintenance.
2, HCS compatible products
Servo products of RSX3 / BSx3 series and later can operate in HCS mode, which is more responsive than
conventional PWM compatible products.
3, Serial mode compatible products
Servos and other equipment with serial mode can operate even faster than HCS.
4, Bidirectional mode compatible sensor
In the mode that enables two-way communication, various sensors that will be released in the future for
acquiring information on the receiver side can be connected.
●AboutRepairs
Whenbreakdownrepairitisrequested,pleasereportthebreakdownstatusinasmuchdetailaspossible.Bynotingtheproblem,repairsareperformedquicker.
●Whenyoubelieveyouhaveabreakdown.
・Pleaserefertoyourmanualoncemoreandpleaseinspect.
・Whenyoudonotunderstandsomething,pleaseinquireourservicedepartment.
●Wheninquiringtoourservicedepartmentaboutabreakdown,pleaseincludeinasmuchdetailaspossibleofthecontentsmentionedbelowaboutyourproblem.
□Nameofproducts(battery,car,transmitter&motor)used.
□Whenbreakingdown,usageconditionanddescriptionofbreakdowncondition.
□Youraddress,nameandtelephonenumber.
Whenarepairisbeingrequested,pleasebesuretosendthememowhichincludestheabove-mentionedcontentsinasmuchdetailaspossible.
KONDOKAGAKUCO.,LTD.
4-17-7Higashi-Nippori,Arakawa-ku,TokyoJapan
Phone:[phone]
Website:https://www.kopropo.co.jp
This device complies with part 15 of the FCC Rules.
Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that may cause
undesired operation.
B
1
2
3
4
●
アンテナパイプ
1 2 3 4
B/S
●Theshortanteniscanbeinstalltoreceiverʼscasedirectly.
4:Servo or ESC are connected.
3:Servo or ESC are connected.
2:Throttle servo or ESC are connected.
1:Steering servo is connected.
B/S:Battery or serial compatible
devices are can connected.
Push set up button
connect power
Please distance at least
1m from the transmitter.
Changes or modifications not expressly approved by the party response for compliance could void
the user’s’ authority to operate the equipment.