Chenghai Udirc Toys UA211702001 U818A Plus Discovery 2 (transmitter) User Manual 15 UA21 UserMan r1

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Document ID	3369150
Application ID	JPtrIi43cUdrYvUG1iUXYA==
Document Description	15_UA21 UserMan r1
Short Term Confidential	No
Permanent Confidential	No
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Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	358.83kB (4485362 bits)
Date Submitted	2017-04-24 00:00:00
Date Available	2017-04-25 00:00:00
Creation Date	2017-03-27 17:44:33
Producing Software	Acrobat Distiller 9.3.3 (Windows)
Document Lastmod	2017-03-27 17:44:33
Document Title	U818A Plus-W 厂版高清定高说明书中文 1-14P
Document Creator	Adobe Illustrator CS6 (Windows)
Document Author:	Administrator

U818A Plus-W
UA21
Operations Guide
www.udirc.com
Catalog
Important Statement
Safety Precautions
Safe Notice for Drone Battery
Charging Instruction for Drone Battery
Check List Before Flight
Instruction for Drone and Transmitter
Pre-flight Operation Instruction
10
Functions Introduction
13
To know your APP
16
component integration
22
Spare Parts
24
Troubleshooting Guide
26
www.udirc.com
Important Statement
Thank you for buying UDIRC's product. People who under 14 years old must not
use the product. Please read this brochure carefully before using the product. You
are regarded as accepting all content in this user manual when using this drone.
This product is not an ordinary toy but a piece of complicated equipment which is
integrated with professional knowledge by mechanic, electronic, air mechanics,
high-frequency emission etc. The users promise to be responsible for their
behavior when using this product and relevant APP. The users promise to use the
drone and relevant APP for legal purpose, and agree to obey above rules and
local laws and regulations.
We undertake no liability for those accidents caused by environment, illegal
behavior, improper operation and refitting of the drone after sale of the product.
We have entrusted the distributor to provide technology support and after-sale
service. If you have any questions about use, operation, repair etc., please
contact the local distributor.
* Please only use attached spare parts or purchase original UDIRC accessories for
replacement, or if lead to any accident, we UDIRC do not assume any responsibility.
* Keep the packing and user manual so as to refer to the important information whenever.
Safety Precautions:
This drone is suitable for experienced RC drone user aged 14 years or above.
This product contains small parts, please put it out of child’s reach.
(1) Flying Area
The flying field must be legally approved by your local government. Do not fly the
drone near in the airport. Keep far away from the airport more than 5km when
flying a RC drone. Flying field must spacious enough and we suggest at least
8M (length)*8M (width)*5M (height).
(2) Use correctly
For safety elements, please only use UDIRC’s spare parts to replace the damaged
parts. Improper assembly, broken main frame, defective electronic equipment or
unskilled operation all may cause unpredictable accidents such as drone damage
or human injury. Please pay special attention to safety operation and have good
knowledge of accident responsibility that the user may cause.
(3) Keep away from obstacles and crowd
The speed and status of a flying RC drone is uncertain and it may cause potential
danger. So the user must keep away from crowd, tall building, power lines etc.
when operating a flying RC drone. Do not fly a RC drone in rainy, storm, thunder
and lighting weather for the safety of user, around people and their property.
(4) Keep away from humid environment
The drone inside is consisted of precise electronic components. Humidity or
water vapor may damage electronic components and cause accident.
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(5) Safe operation
Please operate the RC drone in accordance with your physical status and flying
skill. Fatigue, listlessness and improper operation may increase the rate of accident.
(6) Keep away from rotating parts
Rotating parts like propellers or motors may cause serious injury and damage.
Keep face and body away from rotating parts.
(7) Keep away from heat
The RC drone is made of metal, fiber, plastic, electronic components etc.
Keep away from heat and sunshine to avoid distortion and damage.
(8) The drone should be controlled within max control distance. Do not fly the
drone near tall building, high voltage cable or other place with signal interference.
Or may cause signal interruption and the drone will out of control, which may
result of accident.
(9) Do not touch the hot motor to avoid being burnt.
(10) Please use the recommended charger only. Power off the drone before
cleaning the RC drone. Check the USB cable, charging plug etc. regularly to
ensure they can work well. If there is any damage, stop using it immediately till
it’s fixed well.
Safe Notice for Drone Battery
* Keep LiPo batteries away from children and animals.
* Never charge the LiPo battery that has ballooned or swelled.
* Never charge the LiPo battery that has been punctured or damaged.
* After a crash, inspect the battery pack for signs of damage.
* Never overcharge the LiPo battery.
* Do not charge LiPo batteries near flammable materials or liquids.
* Do not put the battery on high temperature place, Reduce risks from fire or
explosion by storing LiPo batteries inside a suitable container.
* Do not put battery packs in pockets or bags where they can short circuit or can
come into contact with sharp or metallic objects.
* Do not attempt to disassemble or modify or repair the LiPo battery.
* Do not use the battery to crash or hit hard surface.
* Do not put the battery in water and keep it should be stored at room
temperature in a dry place.
* Do not leave the battery without supervision when charging.
* Make sure that there is no short circuit of the power wire.
* Please use the recommended charger only.
* Check the charger’s wire, plug, surface regularly. Do not use any broken charger.
* If more than one week without using LiPo batteries, power is maintained at
about 50% for storage to maintain its performance and service life.
www.udirc.com
Charging Instruction for Drone Battery
1. Connect the drone battery with USB cable first and then choose one of the
method as below picture shown to connect with USB plug.
2. The red USB indicator light keeps bright when charging. And the light turns
green when fully charged.
* For faster charging, it is recommended to use an adapter with 5V 2A output current
(not included) to charge the battery.
Phone Charger
Power Bank
Computer Charging
Car Charger
⊓ᴿܶ኏ၲ
Li-Po Battery Disposal & Recycling
Wasted Lithium-Polymer batteries must not be placed with household trash.
Please contact local environmental or waste agency or the supplier of your
model or your nearest Li-Po battery recycling center.
Check List Before Flight
1. Make sure the drone battery and transmitter battery are fully charged.
2. Make sure the Left Stick of the transmitter in the middle position.
3. Please strictly obey the order of turn on and turn off before operation. Turn on
the transmitter power first and then turn on the drone power before flying; turn
off the drone power first and then turn off the transmitter power when finish
flying. Improper turn on and turn off order may cause the drone out of control
and threaten people’s safety. Please cultivate a correct habit of turn on and
turn off.
4. Make sure the connection is solid between battery and motor etc. The ongoing
vibration may cause bad connection of power terminal make the drone out of
control.
5. Improper operation may cause drone crash, which may arouse motor defective
and noise, and then effect the flying status or even stop flying. Please go to the
local distributor to buy new parts for replacement so that the drone will return
to its best status.
www.udirc.com
Instruction for Drone and Transmitter
Drone
Front
A Propeller
Clockwise
B Propeller
Counterclockwise
Drone cover housing
Left
Right
B Propeller
Counterclockwise
A Propeller
Clockwise
Rear
Front
Front LED
(Green)
Front LED
(Green)
Rear LED
( Red)
Rear LED
( Red)
Power Switch
Rear
Specification
Drone Size
Drone Weight
Propeller Diameter
Flying Time
Drone Battery
Transmitter Battery
Charging Time for Drone Battery
334x334x127mm
Max Flying Distance/Radius
248g
147mm
180mins
150m
Max Image Transmission Distance/Radius 50m
13~15mins
Camera Resolution
1280x720P
3.7Vx2 1000mAh
Main Motor
1020x4
4xAA Alkaline Batteries
Frequency
2.4Ghz
www.udirc.com
Exploded View
10
17
18
19
13
11
13
20
14
14
16
21
22
23
11
15
14
15
10
14
12
13
16
Name
No.
13
24
Name
No.
12
Name
No.
Drone Cover Housing
Lamp hood
17
Receiver board
A propeller (Clockwise)
10
B propeller(Counterclockwise)
18
Power switch
Motor upper holder A
11
Motor upper holder B
19
Receiver board bracket
4.
Gears
12
Front LED board(Green)
20
Power board
Aluminum Spindle
13
Motor holder
21
Video adapter board
Bearing
14
Square carbon fiber tube
22
Battery box
Rear LED board(Red)
15
Landing Gear
23
Battery adapter board
Counterclockwise motor
(Black and white wire,
white plug)
Camera
16
Clockwise motor
( Red blue wire,red plug)
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Transmitter
Phone holder
Power Switch
Left Stick
(Throttle / Rudder)
Right Stick
(Forward / Backward )
One button Take Off /
Landing / Emergency Stop
Button
Heading Hold Mode
High / Medium/Low
Speed button
Trimmer mode button
Battery cover
Brief Introduction for Button Functions
Left Stick
Move the Stick to forward / backward / left / right to fly the drone to up / down / turn left / turn right.
Right Stick
Move the Stick to forward / backward / left / right to fly the drone to forward / backward / left / right.
Power Switch
Push up the power switch to turn on the transmitter, and pull down to turn off.
Heading Hold Mode
Press the button to enter heading hold mode, and press again to exit from heading hold mode.
Take Off / Landing /
Emergency Stop Button
Press the button and the drone will fly up automatically. Press the button again and the drone will
land on the ground automatically. Press and hold the button more than 1s, the drone propellers will
stop and fall down immediately.
High / Medium/Low
Speed button
Press down this button to switch to High /Medium/ Low Speed.
Trimmer mode Button
Press down this button,move the right stick to the required trimmer direction, then it will adjust the
direction accordingly, when loose the stick, then ESC from the trimmer mode.
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Battery installation:
Open the battery cover on the back side of the transmitter and put 4 alkaline
batteries (AA, not included) into the box in accordance with electrode instructions,
as picture 1,2 shown.
4*1.5V
Alkaline Batteries
Picture 1
Notice:
Battery Cover
Picture 2
1. Make sure the electrodes are correct.
2. Do not mix new and old batteries.
3. Do not mix different kinds of batteries.
4. Do not charge the non rechargeable battery.
Phone Installation Instruction:
1. Pull up the phone holder( Picture 3), firstly open the lower clamp, then pull the
upper holder until can hold the phone(Picture 4).
2. Put the phone into the holder, then release the clamp, the clamp will hold the
phone tightly( Picture 5/6).
Picture 3
Picture 4
Picture 5
Picture 6
www.udirc.com
Pre-flight Operation Instruction
Frequency Pairing
1. Turn on the transmitter switch (Picture 7) and the power indicator light flashes
rapidly. Push the Left Stick all the way down to the lowest position and then
release. The Left Stick will back to the middle position automatically.
(Picture 8 / 9) The power indicator light flashes slowly, which indicates the
transmitter is ready for frequency pairing.
Picture 7
Picture 8
Picture 9
2. Install the battery to the mounted box in the drone as picture show (Picture 10).
When you put the battery, you need to press down the buckle and then push
the battery until fully fixed (Picture 11）.
Drone power switch
Battery Sticker in the upper side
Picture 10
Battery box buckle
Picture 11
3. Press for about 2 seconds on the power switch button(Picture 10), put the
drone on the flat surface, the drone body lights turn from flashing to solid bright,
which indicates successful frequency pairing.
Important Notice: Please make sure the drone is placed on the horizontal position after
powering on the drone, so that the drone can work well.
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Checklist before Flight
1. The camera is in front of the drone. Keep the drone front away from you.
2. Power on the drone and check the direction of the rotating propellers. The left
front and right rear A propellers rotating
clockwise while the right front and left rear
B propellers rotating counterclockwise.
3. Activate(unlock) motors: Move the Left Stick
and Right Stick at the same time (45 degree
inward) to start the motors and repeat
Picture 12
previous step again to lock the motors.
(Picture 12)
4. After activate the motors, push up the Left Stick slowly to fly up the drone, and
pull down the Left Stick slowly to the lowest end(Picture 8), then the drone will
land on the ground slowly.
5. It’s recommended to repeat above Step 4 to practice.
6. Adjust relative transmitter Trimmer button to adjust the rudder if the drone tilts
to one side when flying.
Calibration Instruction
Please follow below steps to calibrate the drone if the drone becomes imbalance
after crashing during the flight, and can not be adjusted by trimmer button and
cause difficult operation.
1. Power off the drone, then turn off the transmitter switch.
2. Turn on the transmitter switch, push the Left Stick all the way down to the
lowest position (Picture 13) and then release. The Left Stick will back to the
middle position automatically (Picture 14). The transmitter is ready for
frequency pairing mode.
Picture 13
Picture 14
3. Power on the drone and put it on a flat surface in a horizontal position. The
drone body lights change from flashing to solid bright, which indicates
successful frequency pairing.
4. Do not move the Left Stick before successful
calibration. Push the Right Stick as Picture 15
and then release. The drone body lights flash,
which indicates that the drone is calibrating.
When the drone body lights remain solid,
which indicates successful calibration.
Picture 15
Notice: When the drone is fiercely impacted or crashed, it may cause the gyro can not
recover and cause difficult to control, if so, then you need to power off and power on
again to calibrate.
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12
Move the stick to the right,
then the drone turns to right.
Move the stick to the left,
then the drone turns to left.
Pull down the stick, then
the drone goes down.
Push up the stick,
then the drone flies up.
Left Stick
Move the stick to the right,
then the drone turns to right.
Move the stick to the left,
then the drone turns to left.
the drone goes backward.
Right Stick Pull down the stick, then
Push up the stick, then
the drone flies forward.
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Flying Control
Notice: Every time before the drone take off, move the Left Stick and Right Stick at the same
time as Picture 12 shown(45 degree inward) to start the motors. Push up the Left
Stick slowly to fly up the drone or press down the one button take off .
www.udirc.com
Forward and backward trimmer
When take off, if the drone tilts forward, press down the trimmer button,
and push the right stick backwards. Otherwise push forwards.
Left and right side flying trimmer
When take off, if the drone tilts to left, then press down the trimmer button
Trimmer mode and push the right stick backwards to adjust. Otherwise push forwards.
Left and right turning trimmer
When take off, if the drone head rotates to left,then press down the
trimmer button and push the left stick to right. Otherwise push to left.
Functions Introduction
Take off/ One button take off/Landing modes
1. Method 1 (Take off): After frequency pairing successful,
push the Left Stick and Right Stick as Picture 12 shown
to start the motor and then release. Then push up the
Left Stick to fly up the drone to certain altitude and
then release the stick.
2. Method 2 (One Button Take Off): After frequency
pairing successful or motors activated, press the
Take Off / Landing / Emergency Stop Button
(Picture 16) , the drone will fly up automatically and
keep flying at an altitude of 1.2 meters approximately.
Landing Methods
Take Off / Landing /
Emergency Stop Button
Picture 16
1. Method 1 (Landing): When flying, push the Left Stick all the way down to the
lowest position(Picture 13) and hold it till the motors stop and the drone will
land on the ground slowly.
2. Method 2 (One Button Landing): When flying, press the Take Off / Landing /
Emergency Stop Button once shortly(picture 16), and the drone will land on
the ground automatically. (When using this function, you can not touch the
left stick, if not, then the function will fail)
▲Emergency Stop: When the drone in emergency situation and going to hit the
walking people or obstacle etc., press the Take Off / Landing / Emergency Stop
Button immediately and hold it for more than 1s( picture 16). The propellers
will stop immediately.
Tip: Do not use the emergency stop function unless in emergency situation. The drone will
fall down suddenly after all propellers stop.
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Altitude Hold Mode
Altitude hold mode indicates that the drone maintains a consistent altitude while
allowing roll, pitch, and yaw to be controlled normally. It makes easier to control
the drone for beginner and more stable
for aerial photography.
Push the Left Stick up (down) to fly the drone up (down)
at certain altitude and then release the Stick. The Stick
will back to the center position (Altitude Hold Center) as
Picture 17 shown. And the drone will keep flying at
current altitude. Repeat above steps if you want to
change the drone altitude( Default mode).
Altitude Hold Center
Picture 17
Note: The Altitude Holding Mode can not be used when the blades are accidentally
deformed or damaged.
High / Medium/Low Speed Mode Switch
Press down this button,then it will sound “ di”, it means low speed mode “L”;
when it sounds “ di.di”,means medium speed “M”; and sounds “ di.di.di” means
high speed mode “H”.
Low Speed Mode(Mode 1)
High / Medium/
Low Speed
Mode Switch
(Press Down)
1. Low Speed Mode is suitable for beginner.
Medium speed Mode(Mode 2)
2. Medium Speed Mode is suitable for skillful
pilots to play in the gentle breeze.
High Speed Mode(Mode 3)
3. High Speed Mode is suitable for expert to
experience aerial stunt in outdoor.
Heading Hold Mode
Drones generally have a front and rear indicated by LED lights or colored
propellers. By default, the users are required to tell the front and the rear of the
drone when flying. Under heading hold mode, the users can operate the drone
without worrying about the orientation (left is left and right is right all the time,
regardless of where your drone is pointing at).Heading Hold Mode is designed for
beginners and the users who fly the drone in daylight or at a far distance or
difficult to identify the drone orientation.
The default setting is NOT Heading hold Mode.
You are allowed to activate the heading hold mode function before taking off or in
flight. Fly under heading hold mode, you’re required to ensure the drone front
direction aligned with your front direction, DO NOT change your direction of your
transmitter and keep it fly in front of you all the time.(See below picture)
WARNING: DO NOT USE HEADING HOLD MODE BEFORE YOU ARE SURE THAT THE DRONE'S
FRONT IS YOUR FRONT. OTHERWISE, IT MIGHT BE OUT OF CONTROL OR FLY AWAY.
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Front
Left
Front
Right
Left
Rear
Right
Rear
* Press down Heading hold mode button, the drone’s left and
right LED will start flashing alternately, it shows the drone
enters Heading hold mode, press the button again,
then the LED gets solid and the drone ESC from heading
hold mode.
Heading Hold Mode
Low Battery Alarm
When the transmitter in low battery, the transmitter will beep ” di...di...di...” to
remind the user to land the drone to replace the batteries as soon as possible.
Or the drone may out of control.
When the drone in low battery, the transmitter will beep” di.di.di...” constantly to
remind the user to land the drone as soon as possible. The flip function will turn
off automatically when the drone in low battery.
Out of Range Alarm
When the drone flying out of the max remote control distance, the transmitter will
Beep“didi...didi...didi...” to alarm the user to fly back the drone immediately.
Or the drone may be out of control and fly away.
Motors Stuck Protection
1. When the propellers get stuck, then the drone LED will flash quickly and
activate stuck protection function and the motors stop running.
2. Pull down the left stick to the lowest position, the drone LED will get a solid
light and stuck protection will be released and the drone can fly again.
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To know your APP
Download and Install the APP: Flyingsee
The APP is suitable for mobile phone with iOS and Android system, please
download from the mobile phone software store:
1. For mobile phone with iOS system, please search Flyingsee in APP Store.
2. For mobile phone with Android system, please search Flyingsee in Google Play.
3. Scan the below QR code to download Flyingsee App.
Frequency Pairing between Mobile Phone and Drone WiFi:
1. Install the battery to the mounted box and power on the drone. Put the drone
on the flat surface in horizontal position.
2. Enter “set up” of the mobile phone, turn on WiFi (WLAN) and choose udirc-***,
return to desktop after successful connection.
3. Click on the icon Flyingsee and click on
to experience real time transmission.
to enter remote control interface
HOME
Explore UDIRC Drone
EMERGENCY
Learn the operation
of drone
Flyingsee
Remote control interface
Help
Media
100%
Click on the icon
4. Click on
Home Page
Real time Transmission Interface
to enter Virtual Control Interface. At this time the drone
LED lights change from flash to solid bright, which indicates successful
frequency pairing and the drone is ready to be controlled via APP.
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EMERGENCY
Virtual Control Interface
Important Tip:
Ensure the drone is put it on a flat surface
in horizontal position so that the drone can
work well. Or it may be fail to be controlled.
00:00
H:100m
100%
Introduction for APP Icons
Home Page Icons
Explore UDIRC Drone
Help
Learn the operation of Drone
Media
Remote control interface
Remote Control Interface
Home Page Icon
Click on the icon and back to home page.
Virtual Reality Mode
Click on the icon to enter virtual reality mode to
experience first person view (only available when
using with a VR headset). Click on the icon again
to exit from virtual reality mode.
Flight Route Setting Mode
Click on this icon and it turns red. Draw a flight route in the right area. The drone
will fly according to the flight route. Click on the icon again to exit from Flight
Route Setting Mode. The icon turns white.
EMERGENCY
Emergency Stop
The icon is red by default. Click this icon and the propellers will stop immediately.
The drone will fall down to the ground straightly.
Tip: Do not use the emergency stop function unless in emergency situation.
TF Card
When not yet insert the TF card to the drone camera, then the icon will show
when the TF card is in, then the icon shows
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Remote Control Signal
To show the drone’s WiFi signal strength.
Setting
Click on this icon to set some parameters as below, and click again to exit.
SETTING
Trimming
Save
Reset
Transmission quality
720P
480P
Click on “Save” to save trimming setting.
Choose “Reset” for factory reset.
Select “720P” transmission quality.
Remote Control
Virtual Control Stick
The virtual control stick is hidden by default. Click on the icon to turn on
the virtual control stick.
Gravity Induction Mode
Click on this icon to enter gravity induction control mode. (only available
for flying left / right and forward / backward). Click on the icon again to
exit from gravity induction control mode.
If the mobile phone shakes to the left / right, the Right Ball
will move accordingly causing the drone to fly left / right.
If the mobile phone shakes to forward / backward, the Right Ball
will roll forward / backward, causing the drone to fly forward / backward.
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Video
Click on this icon to record video. The recording time will show at the bottom of
the screen. Click on this icon again to finish recording.
Photo
Click on this icon to take photo.
Heading Hold Mode
Click on this icon and it turns red, which indicates that the drone enter Heading
Hold Mode. Click again to exit from Heading Hold Mode. The icon turns white.
Media
Click on this icon to view or delete the aerial video and photo. Click on the arrow
to exit.
High / Low Speed Mode
By default, the drone is in Low Speed Mode “L”. Click on “H” to enter High
Speed Mode.
One Button Take Off
Click on this icon and it turns red shortly. The drone will fly up automatically and
stay flying at an altitude of 1.2 meters.
One Button Landing
Click on this icon and the icon turns red, the drone will fly down slowly and land
on the ground. All propellers also will stop running.
H:0.1m
Altitude hold icon
It indicates the drone’s altitude position(As per calibration level)
100%
Drone battery status icon
When the drone battery capacity left around 15%, the phone will vibrate to alarm
that the battery is going to run out and you need to fly back and replace the battery.
Calibration Instruction
If the drone becomes imbalance after crashing during the flight, and can not be
adjusted by trimmer button and cause difficult operation, please calibrate the drone.
1. Please refer to the Frequency Pairing between Mobile Phone and Drone WiFi to
calibrate the drone.
2. Do not push the Left Ball before successful calibration. Move the Right Ball as
the picture shown on the right. The drone body lights flash 3 times, which
indicates that the drone is calibrating. When the drone body lights get solid,
which indicates successful calibration and the drone is ready to be controlled.
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APP Flying Control
Move the Left Ball and Right Ball at the
same time to start the drone as picture
shown. Or click on One Button Take Off
icon to start the motors, then the drone
is ready to control.
If the drone tilts forward or backward
Click the “-” of the Forward / Backward
Trimmer to adjust the drone till balance
if the drone tilts forward. Click the “+”
to adjust the drone till balance if the
drone tilts backward.
To fly up or down:
Move the Left Ball up to fly
the drone up and move the
Left Ball down to fly the
drone back down.
To fly right or left:：
Move the Right Ball to the
Left Ball
Right Ball left to fly the drone to the
left, and move the Right
Ball to the right to fly the
drone to the right.
If the drone rotates to left or right
Click the “+” of the Rotation
Trimmer till balance if the drone
rotates left. Click the “-” to adjust
the drone till balance if the drone
rotates right.
To rotate left or right:
Move the Left Ball to the
left to rotate the drone to
the left. Move the Left Ball
to the right to rotate the
drone to the right.
Notice:
If the drone tilts to the left or right
Click the “+” of the Left / Right
Trimmer till balance if the drone
tilts to the left. Click the “-” to
adjust the drone till balance if the
drone tilts to the right.
To fly forward or backward:
Move the Right Ball up to
fly the drone forward, and
move the Right Ball down
to fly the drone backwards.
1. If you can not find the WiFi signal to connect, turn off WiFi and turn on
again to search and connect.
2. The available WiFi control radius/distance is 40m, please control the
drone within this range.
3. When alternating control from mobile phone to transmitter, the transmitter
left stick must be in the center position, or exit from the APP. If not then
you can not control the drone alternately.
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Display the photos and video
FLYINGSEE 1.0
To view the photos and videos.
Home
Explore UDIRC Drone
Learning Drone
Remote control interface
My Gallery
Help
My Gallery
Internal Memory
News
Notice
Main menu
Media interface
Notice: App must be authorized to access the phone gallery, if not, then may be unavailable
to display the video and photos.
The photos are stored in the local phone gallery and TF card, the video is only stored in the
TF card, you need to download the video to the phone gallery and display it. Please download
the video as per APP instruction.
To take photo and record video
1. Insert the TF card to the slot in accordance
with Picture 18. Make sure the metal side
of the card faces up as the picture.
2. The aerial photo will be saved in your
mobile phone and the TF card, while the
video only be saved in the TF card.
But you can download the video to the
mobile phone only when the mobile phone
connecting with the drone WiFi and the TF card in the drone.
Picture 18
Tip: Click on the video icon to save a video when ending recording, or the video cannot be
saved.
3. Power off the drone first when finish aerial photography. Take out TF card and
insert the card to a card reader. Connect the card reader with computer USB
port. After a while, view the aerial photography data from “my computer””mobile disk”.
Tip: Please play the video or photo after coping all aerial photography data to computer and
make sure the play software can support AVI format.
Basic parameter for aerial camera: Video DPI 1280*720P;
Image Size 1280*720P.
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Component installation
Landing gear installation diagram
Install the left and right landing gear to the bottom housing position as per picture
19 show, and then use the screw driver to tighten the screws in clockwise.
Rear
Landing gear
Picture 19
Landing gear
Front
Camera box installation diagram
Insert the camera buckle to the drone bottom position(picture 20), and then push
in correctly(picture 21).
Picture 20
Camera box buckle entrance direction
Picture 21
Camera wire connection diagram
1. Insert the attached Micro terminator to the camera socket(picture 22).
Picture 22
22
www.udirc.com
2. Insert the Micro terminator into the bottom housing socket as picture show
(picture 23).
Picture 23
Propeller installation diagram
1. Use the screw counter clockwise to pick out the screw and then pull out the
damaged propeller(picture 24).
2. Replace with the same new rotating direction propeller,aim at the screw hole
to install it (picture 25), then tighten the screw in clockwise.
Picture 24
Picture 25
Motors installation diagram
1. Rotate the screw driver in counter clockwise to loose the screw, and take out
the 3PCS screws in the lampshade, disconnect the wire and then take out the
defective motor(picture 26).
2. Replace with the same new motor, connect the motor wire(picture 27), put on
the lampshade,then tighten the 3pcs screws in clockwise( picture 28).
Picture 26
Picture 27
23
Picture 28
www.udirc.com
Battery installation diagram
When install, you need to squeeze up and down of
the battery buckle(picture 29) and then put the lipo
battery aim at the drone battery slot, push into the
position is fine.
Picture 29
Receiver board solder wire diagram
Front
Battery adapter board positive cable solder pad: red wire
Battery adapter board negative cable solder pad: black wire
5P cable socket: Camera adapter board
Left front motor negative cable solder pad: blue wire
Right front motor negative cable solder pad: blue wire
Left front motor positive cable solder pad: red wire
Right front motor positive cable solder pad: red wire
Left front LED board positive cable solder pad: green wire
Right front LED board positive cable solder pad: green wire
Left front LED board negative cable solder pad: black wire
Right front LED board negative cable solder pad: black wire
Left rear LED board negative cable solder pad: black wire
Right rear LED board negative cable solder pad: black wire
Left rear LED board positive cable solder pad: yellow wire
Right rear LED board positive cable solder pad: yellow
Left rear motor positive cable solder pad: red wire
Right rear motor positive cable solder pad: red wire
Right rear motor negative cable solder pad: blue wire
Left rear motor negative cable solder pad: blue wire
3P cable socket: power board
Rear
Spare Parts
For convenience, the spare parts are listed for you to choose, which can be
purchased from the local seller.
U818A Plus-W-01
U818A Plus-W-02
Drone cover housing Drone bottom housing
U818A Plus-W-05
Landing Gear
U818A Plus-W-03
A Propeller
U818A Plus-W-06
U818A Plus-W-07
Motor cover holder A Motor cover holder B
24
U818A Plus-W-04
B Propeller
U818A Plus-W-08
Motor bottom holder
www.udirc.com
U818A Plus-W-09
Receiver board holder
U818A Plus-W-10
lampshade
U818A Plus-W-13
U818A Plus-W-14
Clockwise Motor Counterclockwise Motor
(Red and Blue Wire, (Black and White Wire,
red connector)
white connector)
U818A Plus-W-11
Camera
U818A Plus-W-12
AL main shaft
U818A Plus-W-15
Receiver board
(include battery
adapter board)
U818A Plus-W-16
POWER board
U818A Plus-W-17
U818A Plus-W-18
U818A Plus-W-19
Camera adapter board Front LED board(Green) Rear LED board(Red)
U818A Plus-W-21
Drone battery
U818A Plus-W-22
USB Cable
U818A Plus-W-25
Card Reader
U818A Plus-W-26
Transmitter
U818A Plus-W-23
Gear
U818A Plus-W-20
Micro terminator
U818A Plus-W-24
TF Card
Important Statement
Our company's products are improving all the time, design and specifications are subject to
change without notice.
All the information in this manual has been carefully checked to ensure accuracy, if any
printing errors, our company reserve the final interpretation right.
25
www.udirc.com
Troubleshooting Guide
No. Problem
Problem Cause
Solution
1. Low battery.
1. Replace the transmitter battery.
The
2. The battery positive pole and negative
transmitter
pole are in reverse order.
indicator
light is off
3. Poor Contact.
1. The same as above 1.2.3.
2. There is interfering signal nearby.
2. Restart the drone and power on the
transmitter.
3. Operate the drone step by step in
accordance with the user manual.
4. The electronic component is damaged
for frequent crash.
4. To buy spare parts from local seller and
replace damaged parts.
1. The propeller deformed seriously.
2. Low battery.
1. Replace the propeller.
2. Recharge the drone battery.
3. Incorrect installation of propeller.
3. Install the propeller in accordance with
the user manual.
1. The propeller deformed seriously.
The drone
could not 2. The motor holder deformed.
hover and
tilts to one 3. The gyro did not reset after violent crash.
side.
4. The motor is damaged.
1. Low battery.
The drone 2. The battery is expired or over discharge
protection.
indicator
light is off.
3. Poor contact.
Could not
see the
picture.
3. Clean the dirt between the battery and the
battery slice.
1. Indicator light is off.
Fail to pair
the drone
with
3. Misoperation.
transmitter
The drone
is underpowered
or can not
fly.
2. Install the battery in accordance with the
user manual.
1. Replace propeller.
2. Replace the motor holder.
3. Put the drone on the flat ground for about
10s or restart the drone to calibrate again.
4. Replace motor.
1. Recharge the drone battery.
2. Buy a new battery from local seller to
replace the battery.
3. Disconnect the battery and then connect
it with the plug again.
1. Did not connect the wire of camera box
or poor contact.
1. Check the wire and connect well.
2. There is interfering signal nearby.
2. Cut off the wire and re-connect.
3. Damaged camera.
3. Buy a new camera box from local seller
to replace.
Hard to
control by
cellphone.
1. Not experienced enough.
1. Practice and read the cellphone
controlling instruction carefully.
Double
image
when
using VR
1. Lens focal length is not correct.
1. If there is double image, move the lens to
the proper position till the image is clear.
26
www.udirc.com
FCC Information
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 residential 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 communications. 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 determined 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 the circuit different from that to which
the receiver is connected.
● Consult the dealer or an experienced radio/TV technician for help.
FCC WARNING:
The equipment may generate or use radio frequency energy. Changes or
modifications to this equipment may cause harmful interference unless the
modifications are expressly approved in the instruction manual. Modifications not
authorized by the manufacturer may void user’s authority to operate this device.
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.
MADE IN CHINA
27


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