UDI R/C Discovery2 User manual
Operations Guide
U818A Plus-W
2
Catalog
www.udirc.com
Important Statement
3
Safety Precautions
3
Safe Notice for Drone Battery
4
Charging Instruction for Drone Battery
5
Check List Before Flight
5
Instruction for Drone and Transmitter
6
Pre-flight Operation Instruction
10
Functions Introduction
13
component integration
22
To know your APP
16
Spare Parts
24
Troubleshooting Guide
26
3
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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.
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 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).
(1) Flying Area
* 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:
(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.
(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) 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.
4
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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
(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.
The RC drone is made of metal, fiber, plastic, electronic components etc.
Keep away from heat and sunshine to avoid distortion and damage.
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.
5
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.
Charging Instruction for Drone Battery
⊓ᴿܶၲ
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.
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* For faster charging, it is recommended to use an adapter with 5V 2A output current
(not included) to charge the battery.
Power BankPhone Charger
Computer Charging Car Charger
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.
6
Instruction for Drone and Transmitter
Drone
A Propeller
Clockwise
Left Right
Front
Rear
Front
Rear
B Propeller
Counterclockwise
B Propeller
Counterclockwise
A Propeller
Clockwise
Power Switch
Front LED
(Green)
Rear LED
( Red)
Front LED
(Green)
Rear LED
( Red)
Drone cover housing
Specification
Drone Size
Drone Weight
Propeller Diameter
334x334x127mm
248g
147mm Max Image Transmission Distance/Radius 50m
150m
180mins
Camera Resolution 1280x720PFlying Time 13~15mins
Frequency
Drone Battery 3.7Vx2 1000mAh
Transmitter Battery 4xAA Alkaline Batteries
Main Motor 1020x4
2.4Ghz
Charging Time for Drone Battery
Max Flying Distance/Radius
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7
Exploded View
10
B propeller(Counterclockwise)
No. Name No. Name
Motor upper holder B
1
Drone Cover Housing
11
2
A propeller (Clockwise)
12
Front LED board(Green)
3
Motor upper holder A
13
Motor holder
4.
Gears
14
Square carbon fiber tube
5
Aluminum Spindle
15
Landing Gear
6
Bearing
16
7
Rear LED board(Red)
17
Clockwise motor
( Red blue wire,red plug)
8
Counterclockwise motor
(Black and white wire,
white plug)
18
19
No. Name
20
21
22
23
24
Receiver board
9
Lamp hood
Power switch
Receiver board bracket
Power board
Video adapter board
Battery box
Battery adapter board
Camera
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1
2
3
4
5
6
7
6
8
9
10
11
4
5
6
12
6
9
13
14
15
14
13
16
17
18
19
20
14
21
22
23
15
14
24
10
11
4
5
6
13
7
6
16
9
2
3
4
5
6
13 6
12
8
9
8
Brief Introduction for Button Functions
Transmitter
Phone holder
Power Switch
Left Stick
(Throttle / Rudder)
One button Take Off /
Landing / Emergency Stop
Button
Heading Hold Mode
Right Stick
(Forward / Backward )
Trimmer mode button
Battery cover
High / Medium/Low
Speed button
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High / Medium/Low
Speed button
Left Stick
Right Stick
Trimmer mode Button
Press down this button to switch to High /Medium/ Low Speed.
Move the Stick to forward / backward / left / right to fly the drone to up / down / turn left / turn right.
Move the Stick to forward / backward / left / right to fly the drone to forward / backward / left / right.
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.
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.
9
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.
Picture 2Picture 1
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.
Notice:
Battery Cover
4*1.5V
Alkaline Batteries
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
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10
Picture 7 Picture 8 Picture 9
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.
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）.
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.
Pre-flight Operation Instruction
Frequency Pairing
Picture 10
Picture 11
Battery Sticker in the upper side
Battery box buckle
Drone power switch
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1
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