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About Repairs

Fail-safe is when the receiver loses the radio signal of the transmitter, 

and the function keeps channel 2 (throttle) in an optional position.

The configuration is usually full brake or neutral.

Fail-safe function

Configuration instructions

Turn on the transmitter and the receiver and verify operation.

On the transmitter, hold the throttle to the position you would like it

to be set to. While holding the position, press the setup button on

the receiver.

Hold the setup button on the receiver until the LED light goes off

and release the button.

Receiver LED illuminated again.

Fail-Safe setting is complete.

WARNING

Please be sure to set the fail-safe.

CAUTION

If you change the position of the fail-safe

operation, please set again.

We recommend to set it again even if you

modify the car engine brake linkage.

2.4GHz FHSS 2ch Receiver 

with Gyro senser

KR-212FHG

Instruction Manual

Please keep distance to the receiver site, due to noise sources 
of the battery, motor, ESC, etc. If possible.
Also, keep away power condensers and shotki diodes that gen-
erate noise away from the receiver antenna if possible. Install 
the receiver on the chassis flat and level.

Antenna

Antenna Installation Location

For your safety, please note the handling and use of this product.

At this time we would like to thank you for purchasing the KR-212FHG. This product corresponds to the transmitters that are sold by our com-

pany, listed below. Please read this instruction manual before using this product. Also please read the instruction manual of the transmitter 

being used.

Technical Specifications

KR-212FHG Receiver

FHSS  Radio system ,

D.D.S. compatible Response Mode Compatible (ULTR A / 

ADVANCED /

SUPER / NORMAL / DD ADVANCED / DD SUPER / DD NORMAL)

Fail safe system ,Number of Channels : 2CH ,Power source : 4.8v-

7.4V Size : 28×18.3×18.5mm Weight :

 

7.9g

Corresponding

Including

: SetUp Tool & Connector Cap

Name of Parts

●Please use plastic mounts and a plastic antenna 

tube.

●Please do not use a metal antenna mount because 

it will create noise and problems.

●To protect the main antenna, insert the antenna into 

theantenna tube. Also please do not disconnect or 

cut the antenna. This will cause loss of signal.

Installing the Antenna

Caution

Please do not cut the antenna wire. You will receive 

less range. Please place antenna away from 

receiver battery, ESC, motor and silicon wires and 

any other noise source. The antenna wire for the 

receiver requires special attention.

Antenna Tube

Pairing

When using the receiver for the first time, the receiver must store 
the ID number of the module and 'pairing' of the receiver and 
module is necessary. Pairing must be performed when the 
module or transmitter that is used is changed. When multiple 
receivers are used, each receiver must go through the pairing 
process at least once.

1: Prepare the transmitter or RF module for pairing mode. Each 

model will differ so please refer to the manual of each model and 

the figure to the left.

2: Prepare the transmitter or RF module when you are ready to pair 

the KR-211FH. (If you are using an electronic speed controller in 

your car, make sure you have the power connected and turned on 

when pairing.

3: Hold the setup button on the KR-211FH and turn on the power. 

Once the LED is lit, release the button and the LED will go off and 

back on. Pair is complete.

4: Once you've completed the pairing, turn off the power to the 

receiver and transmitter and verify connection by turning the 

system on again.

●If you are having difficulties pairing, make 

sure that you are not around a wireless 

LAN or microwave.If you are please move 

to a dif ferent location and try again.

●After pairing is complete, Please turn off 

in the order of receiver transmitter.

●Please keep the distance 1m between 

t ransmit ter and receiver when you 

pair/bind them.

CAUTION

Compattible Transmitter

EX-1K.I.Y, EX-10 eurus with RF-903FH or RF-904FH, EX-1UR  with RF-

903FH

Please change the transmitter setting OUTPUT to 4ch.

This product is designed for use with electric powered cars. Cannot be used 

with gas powered cars.

1m

While Press Button

POWER ON

Set up Tool

Receiver is brought close to the 

transmitter. While pressing the 

setup button on the receiver, the 

receiver power source is turned on. 

(When power is turned on, the 

button is released.)

LED will go off and light 
back up and you're done. 
If the LED is flashing or 
dim, please try to pair it 
again.

A f t e r   t u r n i n g   o ff   t h e  
power of  the transmitter 
and the receiver once, 
the transmitter ID will be 
set in the receiver. 

Receiver

LED

 Illuminated

For EX-1 KIY

Open the SYSTEM Menu and open 

"2.4GBand".

Select "START" and press and hold 

the ENTER button.
T h e p i c t ur e to t h e l ef t w i ll b e 

displayed when in the Pairing Mode.

For RF-90

FH / RF-90

FH

While pressing the setup button, 

turn the transmitter ON. (Continue to 

press the button.)
Release the setup button when the 

LED goes out.
Preparation is complete when the 

LED is semi illuminated. (LED is 

dim.)

While pressing

the button

Transmitter ON

LED illuminates

(3 seconds)

Goes Out

Release

Button

LED Lamp

Set Up Button

Antenna

P: Power Port

Accesaries are connected.

2 : Channel2

ESC are connected.

1 : Channel1

Steering servo is connected.

B : Battery Channel

If it is need, Battery is connected.

Set Up Tool

Please refer to the EX-1 KIY instruction manual.

Off

chassis

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 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 judgement. *Unexpected accidents are caused with a judge

-

ment 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 prod

-

ucts 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 remodelling 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.

The contents of this display show a possibility of death or where a serious injury may occur

Warning or a highly substantial damaging accident may occur.

Warning

●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.

This displays shows the possibility or a substantially damaging accident which can cause Attention 

injury.

Attention

If you request a repair, please report the fault in as much detail 

as possible. This will aid in knowing the problem and parts to 
be used and repair time.

When you believe you need service.

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 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.

Phone:+81-3-3807-7648

Web Site :www.kopropo.co.jp

4-17-7 Higashi-Nippori,Arakawa-ku,

Tokyo  Japan 116-0014

For electric

powered models.

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