U818A WIFI
Operations Guide
2
Catalog
Important Statement
3
Safety Precautions
3
Safe Notice for Drone Battery
4
Charging Instruction for Drone Battery
5
Checklist before Flight
5
Instruction for Drone and Transmitter
6
Pre-ight Operation Instruction
9
Functions Introduction
12
Propeller Installation Diagram
14
To know your APP
15
Spare Parts
22
Troubleshooting Guide
23
3
1. 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 retting 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.
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.
The ying eld must be legally approved by your local government. Do not y the
drone near in the airport. Keep far away from the airport more than 5km when
ying a RC drone. Flying eld must spacious enough and we suggest at least
8M (length)*8M (width)*5M (height).
(1) Flying Area
* Keep the packing and user manual so as to refer to the important information
whenever.
2. Safety Precautions:
(3) Keep away from obstacles and crowd
The speed and status of a ying 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 ying RC drone. Do not y a RC drone in rainy, storm, thunder
and lighting weather for the safety of user, around people and their property.
(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.
4
(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.
(5) Safe operation
Please operate the RC drone in accordance with your physical status and ying
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
(8) The drone should be controlled within max control distance. Do not y 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.
(10) Please use the recommended charger only. Power o 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 xed well.
The RC drone is made of metal, ber, plastic, electronic components etc.
Keep away from heat and sunshine to avoid distortion and damage.
(9) Do not touch the hot motor to avoid being burnt.
3. Safe Notice for Drone Battery
* Do not put the battery on high temperature place, such as re or heating device
to avoid damage or explode.
* Do not use the battery to crash or hit hard surface.
* Do not put the battery in water and keep it in dry place.
* Do not open the battery.
* 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 do not y the drone more than one week, maintain the drone battery with
about 50% power to keep its performance and working life.
5
5. Checklist 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 o before operation. Turn on
the transmitter power rst and then turn on the drone power before ying; turn
o the drone power rst and then turn o the transmitter power when nish
ying. Improper turn on and turn o order may cause the drone out of control
and threaten people’s safety. Please cultivate a correct habit of turn on and
turn o.
(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 eect the ying status or even stop ying. Please go to the
local distributor to buy new parts for replacement so that the drone will return
to its best status.
1. Connect the drone battery with USB cable rst 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.
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.
Drone Battery
4. Charging Instruction for Drone Battery
Power BankPhone Charger
Computer Charging Car Charger
* For faster charging, it is recommended to use a adapter with 5V 2A output current (not included) to charge the battery.
6
6. Instruction for Drone and Transmitter
6.1 Drone
Specication
Drone Size
Drone Weight
Propeller Diameter
Flying Time
337x327.5x91.4mm
163g
136mm
6~7mins
Max Image Transmission Distance/Radius 40m
100m
55~65mins
Camera Resolution 1280x720P
Remote Control Technology 2.4Ghz
Transmitter Battery 4xAA Alkaline Batteries
Drone Battery 3.7Vx2 350mAh
Main Motor 8520x4
Charging Time for Drone Battery
Max Flying Distance/Radius
B Propeller
Counterclockwise
A Propeller
Clockwise
B Propeller
Counterclockwise
A Propeller
Clockwise
Left Right
LED Light
Front
Rear
A
A
B
B
7
Landing Gear Aluminum Tube
Landing Gear Plug
Landing Gear
Carbon Fiber Tube
Motor Cover
Gear
Rear Light of Motor Holder (Red)
Name
21
20
19
18
17
16
15
No.
2223Camera Holder
CameraTransmission Pipe
A Propeller (Clockwise)
10
24 B Propeller (Counterclockwise)Clockwise Motor (Red and Blue Wire)11
25
Counterclockwise Motor (Black and White Wire)Motor Gear12
26 Front Light of Motor Holder (Blue)Bearing 13
9
No.
1
2
3
4
5
6
7
8
Name
Housing
Front Light（White）
Front Light Holder
Altitude Hold Module
Receive Board
PVC Pad
Drone Battery
Main Frame
Motor Holder 14
2
1
3
9
10
13
14
16
15
13
25
20
22
1817
12
11
12
10
24
13
14
13
16 26
17 18
20
21 23 20 21 20 18
17 26
14
13
16
13
12
10
11
9
16
14
13
15
13
10
24
18 17
19
19
4
5
6
7
8
25
12
8
6.2 Transmitter
Strong/Weak Emission
Signal
High / Low Speed Indication
Note: Smart phone is not included.
Transmitter Battery
Indication
Forward / Backward
Trimming Indication
Left / Right Flying
Trimming Indication
Throttle Display
Left / Right Rudder
Trimming Indication
Brief Introduction for Button Functions
High / Low Speed Mode
Left Stick
Right Stick
Left / Right Rudder Trimmer
Forward / Backward Trimmer
Left / Right Flying Trimmer
Power Switch
Press this button to switch to High / Low Speed.
Move the Stick to forward / backward / left / right to y the drone up / down / turn left / turn right.
Move the Stick to forward / backward / left / right to y the drone forward / backward / left / right.
Move the button till the drone becomes balance if the drone rotates to the left or right.
Move the button till the drone becomes balance if the drone drifts forward or backward.
Move the button till the drone becomes balance if the drone tilts to the left or right.
Push up the power switch to turn on the transmitter, and pull down to turn o.
Heading Hold Mode
Press the button to enter heading hold mode, and press again to exit from heading hold mode.
Power Indicator Light
Mobile Phone Screen
Lens Hood
Power Switch
Right Stick (Forward /
Backward / Left / Right)
Forward / Backward
Trimmer
Left / Right Flying Trimmer
Take O / Landing /
Emergency Stop Button
Flip Mode
Left Stick
(Throttle / Rudder)
Left / Right Rudder
Trimmer
Heading Hold Mode
High / Low Speed Mode
LCD Display
Turn On
Direction
Mobile Phone Holder
Take O / Landing / Emergency Stop Icon
Flip Mode Icon
Heading Hold Icon
High / Low Speed Mode Icon
MODE1
THRO
TRIM
9
Flip Mode Press this button to do 360°ip.
Take O / Landing /
Emergency Stop Button
Press the button and the drone will y up automatically. Press the button again and the
drone will landing on the ground automatically. Press and hold the button more than 1s,
the drone propellers will stop and fall down immediately.
7. Pre-ight Operation Instruction
7.1 Frequency Pairing
1. Turn on the transmitter switch (Picture 4) and the power indicator light ashes
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 5 / 6) The power indicator light ashes slowly, which indicates the
transmitter is ready for frequency pairing.
Attaching your Mobile Phone to Transmitter
Battery installation:
1. Make sure the electrodes are correct. 2. Do not mixed use new and old batteries.
3. Do not mixed use dierent kinds of batteries. 4. Do not charge the non rechargeable battery.
Notice:
1. Press the self-locking switch on the top right side of the mobile holder and
push the holder to a fully open position as Picture 1 shown.
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 shown.
2. Place the mobile phone facing frontward position, pull the mobile phone holder
down and press tightly as possible to secure the mobile phone and transmitter
(please note that do not touch the mobile phone button) as Picture 2.
3. Insert the lens hood into the slot and make sure the lower edge of the lens hood
is as close to the mobile phone as possible as Picture 3.
Picture 1 Picture 2 Picture 3
Battery Cover
4X1.5V
Alkaline Batteries
Drive the screw according to
the arrow direction to loosen
the screw to open the battery
cover. Tighten the screw by
driving it in opposite direction.
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7.2 Checking
7.3 Calibration Instruction
2. Install the battery to the mounted box in the drone and then power on the
drone. (Picture 7）
3. Put the drone on the at surface, the drone body lights turn from ashing to
solid bright, which indicates successful frequency pairing.
4. Push up the Left Stick slowly to y up the drone,
and pull down the Left Stick slowly to the lowest
end, then the drone will land on the ground slowly.
3. Move the Left Stick and Right Stick as Picture 8 shown to start the motor and
then release. Then push up the Left Stick to y up
the drone to certain altitude and then release.
5. It’s recommend to repeat Steps 4 above to practice.
1. The camera is the drone front. 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.
6. Adjust relative transmitter Trimmer button to adjust the rudder if the drone tilts
to one side when ying.
Please follow below steps to calibrate the drone if the drone becomes imbalance
after crashing during the ight, and can not be adjusted by trimmer button and
cause dicult operation.
1. Power o the drone, then turn o the transmitter switch.
2. Turn on the transmitter switch, push the Left Stick all the way down to the
lowest position (Picture 9) and then release. The Left Stick will back to the
middle position automatically (Picture 10). The transmitter is ready for
frequency pairing mode.
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.
Picture 5Picture 4
Picture 8
Picture 6
Picture 7
Drone Battery
11
3. Power on the drone and put it on a at surface in a horizontal position. The
drone body lights change from ashing to solid bright, which indicates
successful frequency pairing.
7.4 Flying Control
4. Do not move the Left Stick before successful
calibration. Push the Right Stick as Picture 11
and then release. The drone body lights ash,
which indicates that the drone is calibrating.
When the drone body lights remain solid,
which indicates successful calibration.
Push the Left Stick up to y the
drone up, and pull the Left Stick
down to y the drone down.
Move the Right Stick to the left to y the
drone to the left, and move the Right Stick
to the right to y the drone to the right.
1. To y to the left or right
2. To y up or down
4. To y forward or backward3. To rotate to the left or right
Move the Left Stick to the left to rotate the
drone to the left, and move the Left Stick
to the right to rotate the drone to the right.
5. If the drone rotates to the left or right
Move the Left / Right Rudder Trimmer to
the right till balance if the drone rotates to
the left, and move the Left / Right Rudder
Trimmer to the left till balance if the the
drone rotates to the right.
Push the Right Stick up to y the
drone forward, and pull the Right
Stick down to y the drone backward.
Forward Backward
Picture 11
Picture 9 Picture 10
Rotate left Rotate right
12
7. If the drone tilts to the left or right
Move the Left / Right Flying Trimmer to the
right till balance if the drone drifts to the left,
and move the Left Trimmer to the left till
balance if the drone drifts to the right.
Drift left Drift right
Two Take O Methods
Take O / Landing /
Emergency Stop Button
8. Functions Introduction
2. Method 2 (One Button Take O): Press the Button
(Picture 12) , the drone will y up automatically and
keep ying at an altitude of 1.2 meters approximately.
1. Method 1 (Take o): Push the Left Stick and Right Stick
as Picture 8 shown to start the motor and then release.
Then push up the Left Stick to y up the drone to certain
altitude and then release the stick.
Picture 12
2. Method 2 (One Button Landing): Press the Button (Picture 12) once shortly,
and the drone will land on the ground automatically.
▲Emergency Stop: When the drone in emergency situation and going to hit the
walking people or obstacle etc., press the Take O / Landing / Emergency Stop
Button immediately and hold it for more than 1s. 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.
Two Landing Methods
1. Method 1 (Landing): Push the Left Stick all the way down to the lowest position
and hold it till the motors stop and the drone landing on the ground.
6. If the drone tilts forward or backward
Move the Forward / Backward Trimmer
down till balance if the drone drifts forward,
and move the Forward / Backward Trimmer
up if the drone drifts backward.
Tilt forward Tilt Backward
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 it easier to control the drone for beginner and more
stable for aerial photography.
Push the Left Stick up (down) to y 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
13 shown. And the drone will keep ying at current altitude.
Repeat above steps if you want to change the drone altitude.
Altitude Hold Center
Picture 13
13
Flip Mode
Press the Flip Mode button when the drone is ying,
and you will hear constantly beep, which indicates ip
mode is ready. Push the Right Stick to forward / backward /
left / right to utmost and then release the stick. The drone
will do 360° ip in corresponding direction. After that the
drone will exit from ip mode automatically.
Flip Mode
When the drone in heading hold mode, push the Right Stick to forward / backward /
left / right, and the drone will y to forward / backward / left / right accordingly.
Heading Hold Mode is designed for beginners and users who y the drone in
daylight or at a far distance.
* 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 ying. 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
Prerequisite: Position the drone in such a way that its front is your front (see Picture 1).
Tip: Do not change the orientation of the transmitter (see Picture 2) after entering heading hold mode.
Picture 1 Picture 2
Rear
RightLeft
Front （White Light)
Rear
RightLeft
Front （White Light)
High / Low Speed Mode
High / Low Speed
Mode (Press Down)
1. Low Speed Mode is suitable for beginner.
2. High Speed Mode is suitable for expert to
experience aerial stunt in outdoor.
14
To turn on Heading Hold Mode,
press Heading Hold Mode
button and the drone LED lights ash, which indicates the
drone enters heading hold mode.
To turn o Heading Hold Mode, press Heading Hold Mode
button again and the drone LED lights turn solid, which
indicates the heading hold mode is o.
Low Battery Alarm
9. Propeller Installation Diagram
When the drone in low battery, the transmitter will beep constantly to remind the
user to land the drone as soon as possible. The ip function will turn o
automatically when the drone in low battery.
Out of Range Alarm
When the drone ying out of the max remote control distance, the transmitter will
beep to alarm the user to y back the drone immediately. Or the drone may out of
control and y away.
Propellers Stuck Protection
1. When the drone propeller was stuck, the drone body lights ash rapidly and the
propellers stuck protection function turn on automatically. The motor will stop.
2. Move the left stick to the lowest end to turn o propellers stuck protection
function. The drone body lights get solid bright and the drone is ready to y.
1. Move the screw driver in counterclockwise direction to remove the screw as
Picture 14.
2. Pull up the propeller and take it out as Picture 15.
3. Replace the damaged propeller with a new one. Aim at the propeller hole with
the screw hole, move the screw driver in clockwise direction to lock the screw
as Picture 16.
Picture 14 Picture 15 Picture 16
When the transmitter in low battery, the transmitter will beep to remind the user to
land the drone to replace the batteries as soon as possible. Or the drone may out
of control.
15
2. Frequency Pairing between Mobile Phone and Drone WiFi:
100%
EMERGENCY
Click on the icon Home Page
3. Click on the icon Flyingsee and click on to enter remote control interface
to experience real time transmission.
2. Enter “Settings” of the mobile phone, turn on WiFi (WLAN) and choose
udirc-***, return to desktop after successful connection.
1. Install the battery to the mounted box and power on the drone. Put the drone
on the at surface in horizontal position.
Real time Transmission Interface
4. Click on to enter Virtual Control Interface. At this time the
drone LED lights change from ash to solid bright, which indicates
successful frequency pairing and the drone is ready to be controlled via APP.
Flyingsee
Learn the operation
of drone
Remote control interface
Media
Help
Explore UDIRC Drone
HOME
1. 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 QR code on the right or the QR code in the box to
download Flyingsee.
10. To know your APP
16
Virtual Control Interface
Important Tip: Ensure the drone is put on a at surface in horizontal position so
that the drone can work well. Or it may be fail to be controlled.
00:00
Thruster:128% Rudder:128% Elevator:128% Aileron:128%
EMERGENCY
3. Introduction for APP Icons
3.1 1. Home Page Icons
3.2 2. Remote Control Interface
L R
Explore UDIRC Drone
Learn the operation of Drone
Remote control interface
Help
Media
EMERGENCY
Home Page Icon
Click on the icon and back to home page.
Click on the icon to enter virtual reality mode to
experience rst person view (only available when
using with a VR headset). Click on the icon again
to exit from virtual reality mode.
Click on this icon and it turns red. Draw a ight route in the right area. The drone
will y according to the ight route. Click on the icon again to exit from Flight
Route Setting Mode. The icon turns white.
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.
Virtual Reality Mode
Flight Route Setting Mode
Emergency Stop
TF Card
If there is no TF Card in the drone, the icon shows as . There is TF Card in
the drone, the icon shows as .
17
If the mobile phone shakes to the left / right, the Right Ball will move
accordingly causing the drone to y left / right.
If the mobile phone shakes to forward / backward, the Right Ball will roll
forward / backward, causing the drone to y forward / backward.
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
ying left / right and forward / backward). Click on the icon again to exit
from gravity induction control mode.
To show the drone’s WiFi signal strength.
Remote Control Signal
Click on this icon to record video. The recording time will show at the bottom of
the screen. Click on this icon again to nish recording.
Video
Click on this icon to set some parameters, and click again to exit.
Click on “Save” to save trimming setting.
Choose “Reset” for factory reset.
Click on “720P” or “480P” to choose real
time transmission resolution.
Setting
SETTING
Trimming Save Reset
Transmission quality 720P 480P
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4. Calibration Instruction
If the drone becomes imbalance after crashing during the ight, and can not be
adjusted by trimmer button and cause dicult 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 ash, 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.
Click on this icon to take photo.
Photo
Click on this icon to view or delete the aerial video and photo. Click on the arrow
to exit.
Media
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.
By default, the drone is in Low Speed Mode “L”. Click on “H” to enter High Speed
Mode.
Heading Hold Mode
High / Low Speed Mode
Click this icon, the drone will do 360° ip and the icon will turn red shortly.
Click on this icon and it turns red shortly. The drone will y up automatically and
stay ying at a altitude of 1.2 meters.
Flip Mode
One Button Take O
Click on this icon and the icon turns red, the drone will y down slowly and land
on the ground. All propellers also will stop.
One Button Landing
5. 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 O icon to start the
drone.
19
Left Right
Forward Backward
To y up or down:
Move the Left Ball up to y the drone up and move the Left Ball down to y the
drone back down. The drone will stay ying at appointed altitude.
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.
To y right or left:
Move the Right Ball to the left to y the drone to the left, and move the Right Ball
to the right to y the drone to the right.
To y forward or backward:
Move the Right Ball up to y the drone forward, and move the Right Ball down to
y the drone backwards.
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5.1 Trimming Adjustment
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.
If the drone rotates to left or right
Click the “+” of the Left / Right Rudder Trimmer till balance if the drone rotates
left. Click the “-” to adjust the drone till balance if the drone rotates right.
If the drone tilts to the left or right
Click the “+” of the Left / Right Flying 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.
Left Right
Note:
1. If you can not nd the WiFi signal to connect, turn o 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 changing control method from mobile phone to transmitter, exit from
the APP.
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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.
Picture 17
7. To take photo and record video
1. Insert the TF card to the slot in accordance with Picture 17. 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 view and download the video
to the mobile phone only when the mobile phone connecting with the drone
WiFi and the TF card in the drone.
Tip: Click on the video icon to save a video when ending
recording, or the video cannot be saved.
3. Power o the drone rst when nish 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: Only when authorizing the APP to read your mobile phone media data, or you
maybe unable to view the aerial photography.
To view the photos and videos.
To view the aerial photography dates saved
in the TF card.
6. Media
Main Menu Media Interface
My Gallery
Internal Memory
Home
Explore UDIRC Drone
Learning Drone
Remote control interface
My Gallery
Internal Memory
Help
News
Notice
FLYINGSEE 1.0
22
11. Spare Parts
For convenience, the spare parts are listed for you to choose, which can be
purchased from the local seller.
U818AWIFI-01
Main Frame
U818AWIFI-02
Propeller
U818AWIFI-03
Housing
U818AWIFI-04
Landing Gear
U818AWIFI-05
Carbon Fiber Tube
and Tooth Gear
U818AWIFI-06
Clockwise Motor
(Red and Blue Wire)
U818AWIFI-07
Counterclockwise Motor
(Black and White Wire)
U818AWIFI-08
Clockwise Motor
Parts (Blue Light)
U818AWIFI-09
Clockwise Motor
Parts (Red Light)
U818AWIFI-10
Counterclockwise
Motor Parts (Blue Light)
U818AWIFI-11
Counterclockwise
Motor Parts (Red Light)
U818AWIFI H-12
Receiving Board
U818AWIFI-13
Camera
U818AWIFI-14
TF Card
U818AWIFI-15
Battery
U818AWIFI-16
USB Cable
U818AWIFI-17
Card Reader
U818AWIFI H-18
Transmitter
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Troubleshooting Guide
The
transmitter
indicator
light is o
Fail to pair
the drone
with
transmitter
The drone
is underpowered
or can not
y.
The drone
could not
hover and
tilts to one
side.
1
2
3
4
Problem Problem Cause SolutionNo.
1. Low battery. 1. Replace the transmitter battery.
2. The battery positive pole and negative
pole are in reverse order.
2. Install the battery in accordance with the
user manual.
3. Poor Contact.
3. Clean the dirt between the battery and the
battery slice.
1. Indicator light is o. 1. The same as above 1.2.3.
2. There is interfering signal nearby.
2. Restart the drone and power on the
transmitter.
3. Misoperation.
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. 1. Replace the propeller.
2. Low battery. 2. Recharge the drone battery.
3. Incorrect installation of propeller.
3. Install the propeller in accordance with
the user manual.
2. The propeller deformed seriously. 2. Replace propeller.
3. The motor holder deformed. 3. Replace the motor holder.
1. Fail to calibrate the drone. 1. Refer to 7.3 calibration instruction.
4. The gyro did not reset after violent crash.
4. Put the drone on the at ground for about
10s or restart the the drone to calibrate
again.
5. The motor is damaged. 5. Replace motor.
The drone
indicator
light is o.
Could not
see the
picture.
Hard to
control by
cellphone.
5
6
7
1. Low battery. 1. Recharge the drone battery.
2. The battery is expired or over discharge
protection.
2. Buy a new battery from local seller to
replace the battery.
3. Poor contact.
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 o the wire and re-connect.
3. Damaged camera.
3. Buy a new camera box from local seller
to replace.
1. Not experienced enough.
1. Practice and read the cellphone
controlling instruction carefully.
24
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 Rul es.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 o and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
The equipment may generate or use radio frequency energy. Changes or
modications to this equipment may cause harmful interference unless the
modications are expressly approved in the instruction manual. Modications 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.
FCC WARNING:
● Reorient or relocate the receiving antenna.
● Increase the separation between the equipment and receiver.
●
Connect the equipment into an outlet on the circuit dierent from that to which
the receiver is connected.
● Consult the dealer or an experienced radio/TV technician for help.
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