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®

RTF/BNF 

Instruction Manual

NOTICE

All instructions, warranties and other collateral documents are subject to change at the sole 
discretion of Horizon Hobby, LLC. For up-to-date product literature, visit horizonhobby.com and 
click on the support tab for this product. 

MEANING OF SAFETY SIGNAL WORDS

The following terms are used throughout the product literature to indicate various levels of potential harm 
when operating this product:

NOTICE:

 Instructions, which if not followed, create a possibility of property damage AND minor injury.

CAUTION:

 Instructions, which if not followed, create a probability of property damage AND a possibility of injury.

CAUTION:

 Read and follow all instructions and warnings in the manual prior to setup or 

use. Failure to operate the product correctly can result in damage to the product, personal 

property and/or injury.
This is a sophisticated hobby product. It must be operated with caution and common sense 
and requires some basic mechanical ability. Do not attempt disassembly, use with incompatible 
components or augment product in any way without the approval of Horizon Hobby, LLC.

Age Recommendation: Not for children under 14 years. This is not a toy.

Charging Warnings

WARNING:

 Failure to comply with the 

following warnings could result in product 

malfunction, electrical issues, excessive heat, 
FIRE, and ultimately injury and property damage.

•  NEVER LEAVE CHARGING BATTERIES 

UNATTENDED OR CHARGE OVERNIGHT.

•  Never charge damaged batteries. If the 

battery begins to swell during charging or use, 
discontinue immediately.

•  Always use the included battery and charger. 

Disconnect the battery after charging.

•  Charge batteries away from fl ammable materials 

in a well-ventelated area.

•  Never charge, transport, or store batteries in 

hot, cold, or very sunny places (recommended 
between 40–120° F or 5–49° C).

EN

Specifications

Length

3.26 in (83mm)

Propeller Diameter

2.56 in (65mm)

Height

1.10 in (28mm)

Flying Weight

.56 oz (16 g)

To register your product online, visit 

www.bladehelis.com

Components

RTF

BNF

Airframe – 

Blade

®

 Inductrix

Included

Included

Motors – 

6mm Brushed

Installed

Installed

On-board Electronics –

 

3-in-1 mixer/ESCs/Gyro

Installed

Installed

Battery –

 

150mAh 1S 3.7V 25C Li-Po

Included

Included

Charger –

 

1S USB Li-Po Charger, 300 mAh

Included

Included

Transmitter – 

MLP4DSM

Included

Required

Install 4 AA batteries into the transmitter, noting 
polarity. Replace the transmitter batteries when the 
power LED fl ashes and the transmitter beeps.
We recommend using only alkaline AA batteries 
in the transmitter, however, it is possible to use 
rechargeable NiMH batteries.

CAUTION:

 If using rechargeable batter-

ies, charge only rechargeable batteries. 

Charging non-rechargeable batteries may cause 
the batteries to burst, resulting in injury to 
persons and/or damage to property.

Charge the Flight Battery

Install the Transmitter Batteries (RTF)

Transmitter and Receiver Binding

NOTICE:

 Inspect the battery to make sure it is not damaged e.g., swollen, bent, broken or

punctured. Charge only batteries that are cool to the touch and are not damaged.

Insert the charger into a USB port.
Connect the battery to the charger. 

CHARGING 

(

Solid Red LED

)

MAX CHARGE 

(

LED OFF

)

Disconnect the fl ight battery from the charger immediately upon completion of charging.

CAUTION:

 Only use chargers specifi cally designed to charge the included Li-Po battery. 

Failure to do so could result in fi re, causing injury or property damage.

CAUTION:

 Never exceed the recommended charge rate.

CAUTION:

 Once charging is complete, immediately remove the battery.

Never leave a battery connected to the charger.

Install the Flight Battery

1

2

The Inductrix

 quadcopter requires no radio-specifi c setup for basic fl ight. If you are using a computer trans-

mitter, simply bind the quadcopter to your transmitter to a new model and with the model type set to “Acro” or 
“Airplane” mode.
To bind or re-bind your aircraft to your chosen transmitter, please follow the directions below.

General Binding Procedure (BNF)

1. Disconnect the fl ight battery from the quadcopter.
2. Set the model type in your transmitter settings to “Acro” mode.
3. Center all trims on your transmitter.
4. Power off the transmitter and fully lower the throttle.
5. Connect the fl ight battery in the quadcopter. The LED on the 3-in-1 control unit fl ashes red during 

initialization, then fl ashes blue when it is ready to bind.

6. Put the transmitter into bind mode while powering on the transmitter.
7. Release the bind button/switch after 2–3 seconds. The quadcopter is bound when the blue LED 

on the 3-in-1 control unit turns solid.

8. Disconnect the fl ight battery and power the transmitter off.

CAUTION:

 When using a Futaba

®

 transmitter with a Spektrum module, you must reverse the 

throttle channel and rebind. Refer to your Spektrum module manual for binding and failsafe 

instructions. Refer to your Futaba transmitter manual for instructions on reversing the throttle channel.

MLP4DSM Binding Procedure (RTF)

1. Disconnect the fl ight battery from the quadcopter.
2. Center all trims on your transmitter.
3. Power off the transmitter and fully lower the throttle.
4. Connect the fl ight battery in the quadcopter. The LED on the 3-in-1 control unit fl ashes red during 

initialization, then fl ashes blue when it is ready to bind.

5. When the blue light is fl ashing, push in and hold down the left stick while powering on the trans-

mitter (you will hear a ‘click’ and a long tone).

6. Release the left stick. The transmitter will beep and the power LED will blink. The quadcopter is 

bound when the blue LED on the 3-in-1 control unit turns solid.

7. Disconnect the fl ight battery and power the transmitter off.

If you encounter problems, obey the binding instructions and refer to the troubleshooting guide for 
other instructions. If needed, contact the appropriate Horizon Product Support offi ce. For a list of 
compatible DSM transmitters, please visit 

www.bindnfl y.com.

CAUTION:

 Always disconnect the Li-Po battery from the aircraft 

when not fl ying to avoid over-discharging the battery. Batteries 

discharged to a voltage lower than the lowest approved voltage may 
become damaged, resulting in loss of performance and potential fi re 
when the batteries are charged.

Throttle down

Power ON

Transmitter Control (RTF)

A

B

C

D

E

F

Mode

1

Aileron

 (Left/Right)

Throttle

 (Up/Down)

Throttle 
Trim

Aileron 
Trim

Rudder 
Trim

Elevator 
Trim

Rudder

 (Left/Right)

Elevator

 (Up/Down)

Mode

2

Aileron

 (Left/Right)

Elevator

 (Up/Down)

Elevator 
Trim

Aileron 
Trim

Rudder 
Trim

Throttle 
Trim

Rudder

 (Left/Right)

Throttle

 (Up/Down)

Operating Safety Precautions

•  As the user of this product, you are responsible for 

operating it safely, not endangering yourself and others, 
or damaging the product or the property of others.

•  Operate your product in open spaces away from 

people and property.

•  Never operate your product with damaged 

electrical components.

•  Keep the transmitter powered on while model is 

powered on.

•  Let parts cool after use before touching, motors 

will get hot in use.

•  Remove batteries after use, as applicable.

General Product Safety Precautions

•  Keep all batteries, chemicals, small parts and 

anything electrical out of the reach of children.

•  Avoid water exposure to this product. Keep parts dry. 
•  Keep moving parts clean.

The LEDs on the Inductrix indicate the front and back of the quadcopter. The white LEDs indicate the front. 
The red LEDs indicate the back.

Takeoff 

Increase the throttle until the model is approximately 2 ft. (600mm) off the ground in a low-level hover and 
concentrate on balancing the throttle stick’s position so that the quadcopter holds a steady hover altitude. In 
some cases, you may need to make a few short “hops” to an altitude of just a few inches until you become 
familiar with the control inputs and trim settings required to maintain a steady hover and altitude. 

Hovering

The Inductrix quadcopter requires minor throttle adjustments to maintain its altitude in hover. Remem-
ber to keep these throttle adjustments as minimal as possible. Large adjustments could result in a 
loss of control or a possible crash.

NOTICE:

 

Crash damage is not covered under warranty.

To prevent excessive wear to the motors, always allow the motors to cool between fl ights.

Fly the Quadcopter

Parts list

Revolutionary SAFE

®

 (Sensor Assisted Flight Envelope) technology uses an innovative combination of 

multi-axis sensors and software that allows model aircraft to know its position relative to the horizon. 
This spatial awareness is utilized to create a controlled fl ight envelope the aircraft uses to maintain a safe 
region of bank and pitch angles so you can fl y more safely.

 Technology

Low Voltage Cutoff  (LVC)

Once the battery reaches 3V under load, the ESC will continuously lower power supplied to the motor 
until complete shutdown occurs. This helps prevent over-discharge of the Li-Po battery. Land immedi-
ately once the ESC activates LVC. Continuing to fl y after LVC can damage the battery, cause a crash or 
both. Crash damage and batteries damaged due to over-discharge are not covered under warranty.

Repeatedly fl ying the aircraft until LVC activates will damage the fl ight battery. 

Disconnect and remove the Li-Po battery from the aircraft after use to prevent trickle discharge. 

During storage, make sure the battery charge does not fall below 3V per cell. 

3

4

Dual rate 
selection

Bind

Rate Selection – RTF

The Inductrix

 RTF quadcopter comes with the Blade

®

MLP4DSM transmitter. 
• When powered on, this transmitter is automatically high rate.
• Change rates by pressing and releasing the right control stick.
• In low-rate mode, the quadcopter is limited to a lower bank 

angle and will self-level when the control sticks are released. 
This mode is typically preferred by pilots looking for smoother/
easier control response during fi rst time use.

• In high-rate mode, the quadcopter has a higer possible bank 

angle and will self-level when the control sticks are released.

Dual rate selection

FCC Information

This device complies with part 15 of the FCC rules. Operation is subject to the following two condi-
tions: (1) This device may not cause harmful interference, and (2) this device must accept any interfer-
ence received, including interference that may cause undesired operation.

CAUTION:

 

Changes or modifi cations not expressly approved by the party responsible for 

compliance could void the user’s authority to operate the equipment.

This product contains a radio transmitter with wireless technology which has been tested and found 
to be compliant with the applicable regulations governing a radio transmitter in the 2.400GHz to 
2.4835GHz frequency range.

Note: This equipment has been tested and found to comply with the limits for a Class B digital device, 
pursuant to part 15 of the FCC Rules. These limits are designed to 

provide reasonable protection against harmful interference in a residential installation. This equipment 
generates uses and can radiate radio frequency energy and, if not 

installed and used in accordance with the instructions, may cause harmful interference to radio com-
munications. However, there is no guarantee that interference will not occur in a particular installation. 
If this equipment does cause harmful interference to radio or television reception, which can be deter-
mined by turning the equipment off and on, the user is encouraged to try to correct the interference 
by one or more of the following measures: 

•  Reorient or relocate the receiving antenna. 

•  Increase the separation between the equipment and receiver. 

•  Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. 

•  Consult the dealer or an experienced radio/TV technician for help.

Antenna Separation Distance

When operating your product, please be sure to maintain a separation distance of at least 20 cm 
between your body (excluding fi ngers, hands, wrists, ankles and feet) and the antenna to meet RF 
exposure safety requirements as determined by FCC regulations.

IC Information

This device complies with Industry Canada license-exempt RSS standard(s). Operation is subject to 
the following two conditions: (1) this device may not cause interference, and (2) this device must ac-
cept any interference, including interference that may cause undesired operation of the device.

Compliance Information for the European Union

Instructions for disposal of WEEE by users in the European Union

This product must not be disposed of with other waste. Instead, it is the user’s 
responsibility to dispose of their waste equipment by handing it over to a designated 
collections point for the recycling of waste electrical and electronic equipment. The 
separate collection and recycling of your waste equipment at the time of disposal will 
help to conserve natural resources and make sure that it is recycled in a manner that 
protects human health and the environment. For more information about where you 
can drop off your waste equipment for recycling, please contact your local city offi ce, 

your household waste disposal service or where you purchased the product.

EU Compliance Statement:

Horizon Hobby, LLC  hereby declares that this product is in compliance with the essen-
tial requirements and other relevant provisions of the RED Directive.

A copy of the EU Declaration of Conformity is available online at: http://www.horizonhobby.com/
content/support-render-compliance.

Aileron

Elevator

Rudder

Understand the Primary Flight Controls

If you are not familiar with the controls of your Inductrix quadcopter, take a few minutes to familiarize 
yourself with them before attempting your fi rst fl ight.

Throttle

Aileron left

Aileron right

Forward

Elevator down

Elevator up

Backward

Left Side View

Left Side View

Rudder left

Rudder right

Nose 
Yaws 
Right

Nose 

Yaws Left

Throttle down

Throttle up

Left Side View

Left Side View

Descend

Climb

Left

Rear View

Right

Rear View

D

E

F

Power LED indicator

C

B

A

D
se

USB Li-Po

Charger

EFLC1008

SOLID RED LED

–Charging

DC Input:5.0V    350mA

DC Output:4.2V    300mA

LED OFF

–Charge 

Complete

Your RTF transmitter comes prebound to the Inductrix. If you need to re-bind, follow the directions below.

On/Off Switch

When pressed down, trim buttons make a sound that increases or decreases in pitch at each 
pressing. The middle or neutral trim position is heard as a middle tone in the pitch range of the 
sounds. The end of the control range is sounded by a series of beeps. 

Part #

Description

v

Inductrix RTF

BLH8780

Inductrix BNF

BLH8701

3-in-1 Control Unit: Inductrix

BLH8702

Motor with Wire, Clockwise Rotation: Inductrix

BLH8703

Motor w/Wire, Counter-Clockwise Rotation: Inductrix

BLH8704

Canopy Set, Red & Blue: Inductrix

BLH8705

Prop Set (4), White: Inductrix

BLH8706

Main Frame: Inductrix

© 2015 Horizon Hobby, LLC. Blade,Inductrix, E-fl ite, SAFE, the SAFE logo and the Horizon Hobby Logo are trademarks or registered trademarks of Horizon Hobby, LLC. Patents pending.  Created 06/2015  49816

Problem

Possible Cause

Solution

Will not respond to throttle

Throttle too high and/or throttle trim 
is too high

Reset controls with the throttle stick
and throttle trim at the lowest setting

Does not function and smells 
burnt after connecting the 
fl ight battery

Flight battery connected with the 
wrong polarity

Replace the 3-in-1 board. Connect the fl ight battery 
noting proper polarity

LED on receiver fl ashes 
rapidly and quadcopter will 
not respond to transmitter 
(during binding)

Transmitter too near aircraft during 
binding process

Power off the transmitter. Move the transmitter a 
larger distance from the aircraft. Disconnect and 
reconnect the fl ight battery to the aircraft. Follow the 
binding instructions

Bind switch or button was not held 
while transmitter was powered on

Power off transmitter and repeat bind
process

Aircraft or transmitter is too close to 
large metal object, wireless source or 
another transmitter

Move aircraft and transmitter to another
location and attempt binding again

LED on the receiver fl ashes 
rapidly and the quadcopter 
will not respond to the trans-
mitter (after binding)

Less than a 5-second wait between 
fi rst powering on the transmitter and 
connecting the fl ight battery to the 
quadcopter

Leave the transmitter powered on. Disconnect and 
reconnect the fl ight battery to the quadcopter

The quadcopter is bound to a differ-
ent model memory (ModelMatch™ 
transmitters only)

Select the correct model memory on the transmitter. 
Disconnect and reconnect the fl ight battery to the 
quadcopter

Flight battery or transmitter battery 
charge is too low

Replace or recharge batteries

Aircraft or transmitter is too close to
large metal object, wireless source or
another transmitter

Move aircraft and transmitter to another
location and attempt connecting again

Crashes immediately upon 
lift-off or doesn’t lift off

Propellers in wrong locations

Make necessary adjustments

Information IC

Le présent appareil est conforme aux CNR d’Industrie Canada applicables aux appareils radio 
exempts de licence. L’exploitation est autorisée aux deux conditions suivantes : (1) l’appareil ne doit 
pas produire de brouillage, et (2) l’utilisateur de l’appareil doit accepter tout brouillage radioélectrique 
subi, même si le brouillage est susceptible d’en compromettre le fonctionnement.

Troubleshooting Guide

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