MJX Bugs Series User manual

Bugs Series Racing Drone
Instruction Manual
o
Brushless motor
C1886 188.61
4-in-1 ESC
4.....
((14)
Two-direction 2.4GFIZ
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important statement and safety guidelines
Thank you for purchasing MJX product. Please read this manual carefully before use and retain it for
future reference.
Important statement
• This aircraft is not a toy, but hobby grade model. It should be assembled and operated properly. Pilot
must operate this hobby model in safe way. Improper operation may cuase injury or property damage.
• This aircraft is applicable for pilots aged 14+ who are with skilled flying experience.
• Users are in full charge o= prop& operating this aircraft. Manufacturer and dealers disclaim any
responsibity for damages caused  misuse.
• Keep the small accessories away from kids to avoid accident.
Flight safety guidelines
Hobby grade radio control aircraft is somewhat considered to be the highest danger potential article.
Users should firmly uphold the principle of 'safety comes first'. Never fly the aircraft near airports,
above crowds or in zones storing dangerous goods and understand the responsibility of the accident
may cause by improper operations.
• Stay away from obstacles, crowds, power lines. trees or waters
Always choose a wide open area for every flight ; well away from people and property. Never fly directly
over people or animals. Please don't fly in such bad weather conditions as high temperature, snow,
strong wind(level 5), rain or fog. Maintain a 7ft (2m) distance from the aircraft when taking off and
lancing.
• Keep the aircraft in dry environment
The aircraft is composed by sophisticated electronic components and mechanical parts. To avoid
damages on the mechanical and electronic components, please keep the aircraft in dry environment
and use clean cloth to wipe the surface and keep it clean.
• Practice flying together with skillful pilot
Beginners are suggested to practice flying together with skillful pilots guidance. Do not fly alone.

• Bear proper operation and safe flight guidelines in mind
Please take a careful look at the manuals before flights for important information of product functions
and operation tips, and learn how to use the accessory , . safe flight always comes first. Stay informed
of and abide strictly by relevant local laws anc rag Llations. Keep away from any non-flight zones and
respect other people's privacy.
• Safe flying
Please make sure you are in good shape mentally before every flight. Fly the aircraft as per your flying
experience. Never fly under influence of alcohol or drugs.Keep the remote controller at least 20 cm away
from your body when flying the aircraft.
• Keep distance from a flying aircraft
Never use your hands to touch a flying aircraft under any circumstance. Don't approach and touch a
landed aircraft before its propellers are completely locked.
• Keep away from heat source
The aircraft is made of metal, fiber, plastic, electronic component and other material. Please keep it
away from the heat source to avoid deformation or even damage caused by sun exposure and high
temperature.
• Environmental protection requirements
To protect our blue planet, so please recycle the aircraft as per local laws and regulations.
Product profile
Product configuration
Package includes:
Aircraft (camera not included) xl  Extra Propellers A/B x2  Propeller changing tool xl
Screw driver xl  USB cable xl  Balance charger x1  Remote controller xl  Battery xl
Silicone rubber ring x4
Technical parameter of the aircraft
Diagonal: 250mm

Overall height: 90mm

Brushless motor: 1806 1800KV
Gross Weight: about 370g

Battery: 7.4V 1300 mAh

Charging time: around 4 hours
Maximum flying time: about 12 minutes
-2-

Screw with dot
Step 3 4,
p
Silicone rubber ring
Step 2
41 1 ■ 521 1 0191. ■
Propeller A (clockwise)
Step
Screw without dot
Step 3
Silicone rubber ring
Step 2
lol•MMEIMAIMINh
Propeller B (Counter-clockwise)
Step 1
Clockwise rotating  Counter-clockwise
motor is marked  rotating motor is
with white dot.  marked with black dot.
Screw changer
Product assemble
Propellers installationiremoval
How to install propeller A:
Put the propeller with marking 'A into the clockwise rotating motor shaft (the side marked A should be
upwards.) Then, put the silicone rubber ring into the center bore of the propeller. Last,choose the
propeller screw with dot and put it onto the motor shaft; tighten the screws by counter-clockwise.
How to install propeller B:
Put the propeller with marking 'IT into the clockwise rotating motor shaft (the side marked B should be
upwards.) Then, put the silicone rubber ring into the center bore of the propeller. Last,choose the
propeller screw with dot and put it onto the motor shaft; tighten the screw by clockwise.
How to remove the propeller
Hold the aircraft brushless motor and unscrew the screw without dot by counter-clockwise
(screw with dot should be rotated by clockwise) to take apart the propeller.
A
Attention: Please install all fittings step by step as below picturers. Keep in mind that the propellers
are distinguished by A & B mark and propellers screws are distinguished by dot mark.
Please pay attention to your rotation direction.
4\ 12 1 . .l  f;l
-3 -

A
• Please make sure that the clockwise and the counter clockwise propellers are installed on the
correct motors, because the aircraft will not fly normally for wrong propellers installation.
• Be careful when installing the propellers, as they are a little sharp.
• Please use MJX propellers for this aircraft
• Extra propellers can be ordered additionally.
Battery installation
Insert the battery into the battery compartment and make sure the battery is installed in place.
Then, insert the power plug of the battery into the power socket locating at the rear of the aircraft.
A
Note: Please connect the power plug as per the indicated positive and negative polarity.
How to install the battery of remote controller
Unscrew counter clockwise to open the battery , compartment cover. install Ax AA batteries into the
battery compartment according to the given polarity : scre',.v clock..,4, , ise to close the battery compartment.
A
•Insert batteries with correct polarity.
• Non rechargeable batteries are not to be charged; the transmitter need 4 X AA batteries for
work.
• Do not mix old and new batteries.
• Do not mix alkaline,standard(carbon-zinc),or rechargeable(nickel-cadmium) batteries.
• Rechargeable batteries are to be removed from the toy before being charged;
• Rechargeable batteries are only to be charged under adult supervision;
• Exhausted batteries are to be removed from the toy;
• The supply terminals are not to be short-circuited.
How to charge the battery of model
Connect the balance charger to the 5V acapter by the USB cable and insert the triplex-wire plug into
the triplex-v./ire port of the balance charger .Vihen charging is proceeding, the green light keeps blinking
slov,:ly and the red liuht keeps solid or: when charging is finished, both of the green light and red light
keep slid on.lf there is no L.attery being charged, but the balance charger connected to the adpater, the
red licirt is on and the green light is cff.Once there is any malfunction, the red light will be solid on and
career light will keep flashing rapidly.The charging time is about 4 hours.
-4-

II
Lithium battery  Balance charger USB cable  Adaptor(not included)
A
Warnings: It is recommended to use the 5V 1-2A adapter for charging.
A
•Need adult supervision when this model is being played by children.
■ Only batteries of the same or equivalent type as recommended are to be used
■ Insert batteries with correct polarity.
•
Non rechargeable batteries are not to be charged; the transmitter need 4 X AA batteries for
work.
•
Do not mix old and new batteries.
•
Do not mix alkaline, standard(carbon-zinc), or rechargeable(nickel-cadmium) batteries.
•
Rechargeable batteries are to be removed from the toy before being charged.
■ Rechargeable batteries are only to be charged under adult supervision.
■ Exhausted batteries are to be removed from the toy.
•
The supply terminals are not to be short-circuited.
•
The charing line to be used with the product should be regularly examined for potential
hazard,such as damage to the cable or cord, plug,enclosure of other parts and that in the
event of such darnage,the product must not be used until that damage had been properly
removed.
Major parts of the model
[1:
[2]
[3]
[1] Camera C5830(Optional)
[2] Brushless motor
[3] Undercarriage
[4] Propeller
[5] Front LED
[4]
[5]
[7]
[S]
[9]
[6]
[6] Battery compartment
[7] Front cover
[8] Upper cover
[9] Rear LED light
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Major parts of the remote controller
[4]
£5]
[6]
[7]
[8]
[9]
[10]
Remote controller
[1] Left stick
[2] Turn left/Turn right trimmer
[3] Reserved for new functions (null)
[4] Power indicator
[5] Power switch
[6] Right stick
[7] Leftward/rightward trimmer
[8] ForwaroThaol,',.vard trimmer
( Calibration button for remote controller
calibration.)
[9] UH speed toggle switch(short-
press)/ light switch(long —press)
[10] Unlock(short-press]/ Lock(long-
press)
[11] Photo(short-press]/ shooting switch
(long-press)( applicable when
camera is included)
[12] 3D flip & rolls button
[12]
How to connect the signal of the aircraft with the
remote controller
• Press the red button on top of the remote controller and turn on the power of the remote controller.
The remote controller will send out 2 beep sounds, and the indicator lights keeps flashing, the remote
controller is under signal connection status.
• Turn on the aircraft. Once signal connection is done. The remote controller will send out a long beep
sound and the indicator light keeps solid on
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fur
A
• Signal connection is done once for all if it is not connected with other aircraft.
• Set the connection one by one to avoid signal connection error.
Remote controller calibration
Keep pressing the red button on top of the controller and slide the power switch to the ON position. Push
down the calibration button and hold on for 3 seconds. The remote controller will send oL.t. 3 beep sounds;
the indicator light of the aircraft turns from flashing quickly to slowly. Maximum rotate both of the left and
right control stick to any direction for 2 circles. Then, again,push dov,:n the calibration button and hold on
for 3 seconds. The remote controller will send out 3 beep sounds; the indicator light of the model turns
from flashing slowly to quickly, which means that remote controller calibration is completed.
Warm tips:
• All remote controllers have been calibrated when manufacturing.
• Remote controller calibration is requested only if pilots find that the remote controller control sticks
are not working normally.
A
Attention: Please turn off the aircraft while calibrate the remote controller.
Aircraft calibration
Once the gyro detection of the aircraft is finished, push down both of the control sticks to the lower right
corner (indicated as below photo).Once the rear light of the aircraft is off, it means that aircraft calibration
is succeeded.
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How to lock and unlock the aircraft
Unlock the aircraft
Once the gyro detection of the aircraft is finished, the front lights of the aircraft keep solid. Short-press
the red button(indicated as below photo).After a long beep sound from the remote controller, the rear
lights of the aircraft keep solid, as well And the motors rotate slowly, the aircraft is unlocked.
Lock the aircraft
Pull down the throttle stick to the bottom position, long-press the red button (indicated as below photo).
The remote controller sends out interrupted beep sound. Then, the motors stop rotating and the rear
indicator light is off, which means that the aircraft is locked.
U
A
Warnings: The throttle control stick should be pushed to the bottom position when long-press
the red button to lock the aircraft. Otherwise, the aircraft could not be locked.
Operate the aircraft
Remote controller
Aircraft
As
0
cent
' N
.:, ---- ti
i 4.4 0 1  T\ -.
. ..we'll  .1.1 • e.'
Descent
1 9550°
I " 1
Backward
JO  :
Li
L2 . r .k
Forward
(--
0
0 B i
er
■ _  0
Remote controller
Aircraft
1 - 1
Turn Right  urn Left
Front
\
....., i
` 1 \ Rear  f. '
I
IT
,... 
-  - I
c 1Orel
Left Side
Flight ,
(
Front 
.,
Rear/
Right Side
Flight
_ 
--.-- 1
-8-

Flips & rolls
Flips & rolls operation
A
Warm tips:
To flip and roll, please press down the 3D rolling button and push the direction control stick at
the same time.lf not, the aircraft could not perform flips & rolls action normally.
How to fine-tune the aircraft
If the model keeps moving in any direction even this is no control signal given after flying, users may
adjust the remote controller's trimmer button to keep the model balance.
Forward/backward trimmer Turn left/ turn right trimmer Leftward/rightward trimmer
-9-

Status indicator
Front light Rear light
Sound of the drone Status lights of the drone Description
- The rear lights flash quickly
The gy - osTcpe is in the checking state,
the droiie s 'a I to connect the signal.
Send out continuous beep sound quickly
The rear lights flash once
then turn on for 2 seconds
The signal o' remote controller is lost after
the aircral received the signal from the
remote cant 'oiler
Send out continuous beep sound slowly The rear lights flash slowly
The a roof: i.E . .. - deromvered and :he remote
co - malle - se.io au: die 3.: ■ ,''.' '  '',".  :O
beep,,,".
-
The front lights turn on,
and the rear lights turn off
The aircraft is under lock status.
- The front lights power onioff Tum on or tum off by the remote control.
Remote controller power indicator light description
Power indicator
Remote controller sound
Send out continuous beep sound quickly
Power indicator
On
Description
.. T  •orafi s tcc far awa•,• 'ror i the remote controller
. res.. re.: in :veal, re..•.e . •, , ng s•;•nal.
2. T - e a •orafi s hawe - ed c - a'te• • al.:Cisful signal
ecnneei oir.
Send out continuous beep sound slowly On The aircraft is in low voltage status.
Send out a long beep sound only On
The remote controller has connected with the aircraft
successfully.
Send out "beep beep' sound continuously Flashing slowly The remote controller is under power.
Send out "beep" occasionally On
The aircraft receives very weak signal from the remote
controller.
-10-

E
E E E
fa
°— Camera port
0
The front indicator
Power cord  Battery port ESC port
The front indicator .t,
The rear
indicator
0 0
The rear
indicator
Rear
motor A
0
Y
PA:itt
Power
cord
▪ ERR
▪ ERR
ESC cord Front
motor B
Flight
Before you take off, check and make sure that:
1.The aircraft and the remote controller are full charged.
2.The propellers are installed correctly.
3.The motors work normally after unlocking.
Basic flight operations
Basic flight operations step
1.Connect the remote controller with the aircraft.
2.Unlock the aircraft after the detection of gyro of the aircraft is completed.
3.PuII up the throttle stick then the aircraft takes off, remote control the flight aircraft by left/right stick.
4.Push the throttle stick to the bottom, lock the aircraft by press the lock button for long time
5.Take out the battery from the aircraft.
Receiver PCB connecting diagram
To make sure the drone works normally, the installation direction of the flight-control board and the
connection location of the wiring must be the same as shown below:
(Flight-control board) (ESC board)
Rear motor B 
Front motor A
A
Warnings - . Please purchase the camera with KIX standard.

Product components
Basic parts
_
-
„
' :".'• 0 11
11
Upper cover
B60001
Main frame
880003
Propeller A/B
880004
Undercarriage
880005
....
Ir.
111E1
Qi29
iiitiiii
0000
iltrillto
OP 40
*Rik do
Screw without dot
Screw with dot
B80006
Battery door/
Front cover
B80007
Bolt/Antenna buckle/
Lamp cover ring/ Bolt buckle
880008
Lamp cover of the
front and rear light
B80009
r ---
Propeller changing tool
B80010
Receiver PCB
880011
ESC board
880012
Clockwise motor
880013
c l
-- ---- - , --
I i- - - - -:
41111M1Millt
_  _
Counter clockwise motor
B80014
Front/Rear light bar
880015
Battery
B80016
Silicone rubber ring
B80017
-12-

rrvq, 
ii i
I I 3
. m..
Heat sink
B80018
Remote control GR30313
Balance charger!
USB cable
Optional parts
•
sr
5_8G Receive screen
4.3-inch LCD Display
043
VR goggles
G3
5.8G FPV Camera
05830
Trouble shooting
No. Phenomenon Solution
1
The lights are flashing quickly
The Gyro of the model is under signal detecting condition, set the model
to any flat surface.
2
The model can't be kept balance after
taking off and lean one side.
dim: all r - crier buttons to the middle value.
2:  y r -  1- c.:i.:  ' :he flat surface or flat ground and proofread the gyro
:if :he . 1.:,.:Iel agar.
3
The model is shaking fiercely. The rotor blade is out of shape, change the propellers.
4
The drone fail to unlocked, the front
indicator flash slowly.
The battery is under low power situation, please charge the battery full.
5
The model can't be locked.
1) Push the throttle stick to the bottom first, then press the lock button for
long t r e.
2) Proat'ea.:! the rtict of t^e reivore cc , ,trol then push the throttle stick to
the ::.......:. 1 - .  1.:.,,i  ....,..,  .he  ...c , . hti(tch for long time-
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C E 6 4
MADE IN CHINA