4DRC F3 User manual

AERIUM 4DRC F3
drone
instructions for use
For models:
4DRC F3 4K (without GPS) - the GPS features listed in the
manual are not valid for this model
4DRC F3 GPS 1080P
4DRC F3 GPS 4K
For users over 14 years of age
Registration is compulsory for all drones with a camera, more
at:
https://www.letejtezodpovedne.cz/
It is prohibited to use any model of drone within a 10
km radius on the sides of the airport and within 20 km
of either end of the runway and on civil air routes to
meet the electromagnetic environment requirements
for aeronautical communications.
No model of drone is allowed in the no-fly zones

established by the relevant state authorities.

1.The packaging and instructions for use provide important
information and should be kept for future reference.
2.You are responsible for ensuring that this drone does not
cause any personal injury or property damage.
3.The commissioning and assembly of the drone must be strictly
in accordance with the operating instructions. 4. Make sure that
the drone is 2-3 m away from the operator and other persons
when flying, so that the drone does not hit the head, face and
body of a person during flight and landing and cause injury to
him/her.
4. Neither our company nor the dealer shall be liable for any
loss, damage or personal injury resulting from improper use or
operation.
5. Children over 14 years of age may operate this drone under
adult supervision and children under 14 years of age may not
operate this product.
6.Please install and use this product correctly in accordance with
the instruction manual,some parts must be assembled by adults.
7. This product contains small parts, please keep out of reach of
children to prevent accidental ingestion or suffocation.
8. It is forbidden to operate it on the road or on waterlogged
ground to avoid possible accidents.
9. Please clean up the packaging materials in time to
avoid harm to children.
10.Do not disassemble or reassemble the drone to avoid any
malfunctions.
11.The USB charging cable must be plugged into the
designated 5V = 2A power source as marked on the
product.

12.Only the original USB charging cable may be used.

1. Accessories
Drone 1xcharger 1xreplacement propeller blades 4xbatteries 3x (2x) according to
model screwdriver instructions
2. Drone component names:
3. Propeller blade installation and replacement
3.1 Unscrew the screw and
remove the propeller blades.
Note: The letters A, B, C and
D are printed on the blade,
A=C, B=D, place them
according to the drawing,
otherwise the drone will not be
able to take off.
3.2 Unscrew the screw to
separate the two blades from
the connecting parts and
replace them. (Replace
damaged B/D blades with B/D
blades and replace damaged
A/C blades with A/C blades,
any incorrect replacement will
cause the drone to not take
off.)
Engin
e
Propel
ler
blade
holder
clip
Propeller
blades
Batteri
es
Drone
body
LED lights
Camera

4.3 Charging: insert the USB interface of the charging cable into the USB ports of
the computer (or use the output: 5V = 2A power adapter) and connect the other
side of the USB interface to the battery socket. When charging, the USB drone's
red light will turn on and the green light will flash; when the battery is fully charged,
the red light will turn off and the green light will turn on, indicating that charging is
complete.
5. Names included with the remote control:
Fine tuning ( hold )
/ gear Power
indicator Left
joystick
Switch (long press)
Calibration of
geomagnetism (compass)
( 3 s press)
Immediate take-off/landing
Hold down
both
buttons in
an
emergency
.
Familiarity with the
remote control
indicators:
Photo/video (long
press)
Right joystick
GPS control -
long press
Free mode
Immediate return
Common/GPS button: after adjusting the frequency, long press this button for
3 seconds to select the common mode and GPS mode (default GPS mode,
GPS light is on, if you select common mode, GPS light is off).
Free mode button: Press the button again to exit the free mode, the light goes off.
Return button: press the button once to return and the return light will
illuminate. Press the button again to cancel the return, the light goes off.
4.1 Press the drone battery lock
4.2 Remove the
battery

6. Installing the remote control battery:
Notes:
Battery installation:
4.1 Press the battery cover
button with a screwdriver to
remove the battery cover.
4.2 Follow the polarity
instructions on the battery
holder to remove the battery.
and install 4 "AAA" batteries
(not included).
1. When installing the batteries, pay attention to
the anode and cathode of the batteries and their
markings on the battery packaging.
2. Please do not mix new and old batteries.
3. Please do not mix different types of
lithium batteries.
Safety precautions for charging:
To prevent damage or explosion, do not insert charged batteries
into high temperature areas such as open flames or electric
heating equipment.
●Do not throw batteries, prevent them from falling.
●Do not disassemble the batteries.
●Do not soak batteries in water. Store batteries in a dry place.
●Charge batteries under adult supervision.
7. Instructions for downloading and
installing the app:
Warning:
When the drone is not in
use, disconnect the
battery plug from the
drone's power connector
to avoid damaging the
battery.
7.1 Download and install the app
For Android, scan the QR code, open the website in your browser and download the software.
7.2 Linking instructions
●
Turn on the power of the drone, enter "Settings" (mobile phone or IPAD), open the
WiFi wireless network, find the device "4DRC-4K-GPS *****" in the wireless network
search list and connect the device, exit Settings when connected.
●
Open the "4DRC PRO" icon on your mobile phone and enter the control interface (stay
away from other signal sources when controlling the drone).
Open the 4DRC CLICK on the "GO" buttonClick on "MORE FUNCTION " Enter the "FUNCTION MENU"

8. Introduction to the functions of the application control
interface:
GPS
More
functions
Return /
Back
Take-
off/landing
Immediate
return
Unlocking
Radar,
direction
Informatio
n
about the distance
Connection
status
WiFi signal
Battery status
More settings
Photo/Vide
o Switch
Media Library
Flight records
Zoom
Filters
3D
Inverted camera
Unlock
Gesture
shooting
Adding music
Multi-seat flight
Next Circular
flight
Find a drone
Speed limiter
Switching cameras Touch
joystick
Beginner
mod
e Distance information
Default 30m, (20m-2000m)
Flight height
Default 30m, (10m-120m)
On/off
Retrieved from

Note: Turn off Beginner mode with advanced flight operations,
then adjust the flight distance and altitude to allow the drone to
fly further!

9. Pre-flight environmental requirements:
Operate the drone in an outdoor open area free of rain and snow and with wind strengths
below level 3 and stay away from crowds, trees, power lines, tall buildings, airports and
signal towers.
Do not use it in enclosed areas or in a place with a weak GPS signal.
10. Preparation for flight:
WARNING: Please make sure the drone/remote is fully charged, otherwise it cannot take
off.
10.1 Turn on the power to the drone, place it
on the launch pad - the horizontal spot for
automatic frequency adjustment, the front
white indicator light and the red indicator light
on the rear arm blink (battery light is on).
Note: Adjust the direction of the drone so that the front of the drone is facing forward and
the drone is positioned horizontally.
10.2 Open the WiFi function on your mobile
phone and select "4DRC-4K- GPS*****" in the
WiFi list, connect the device and then open the
app.
10.3 Turn on the remote control (default
mode), long press the "ON/OFF" button on the
remote control (step 1), the power light will
come on. Push the throttle stick up (step 2)
and then down (step 3). When the pairing
frequency is successfully paired, the UAV
indicator light will turn on instead of blinking.

Figure 1
10.4 Horizontal calibration:
Press the left and right control stick on the remote control to the bottom left corner, the
white and red lights on the drone will flash rapidly. When the white and red indicator
lights on the drone light up, horizontal calibration is complete, the remote control will
beep (Figure 1).
APP Operation:Click the "More Settings" icon in the APP interface for horizontal
calibration according to the text prompt. When the calibration is complete, automatically
proceed to the next operation (Figure 2).
Note: Calibration can only be completed when the drone is positioned horizontally.
Figure 2
10.5 Geomagnetic calibration:
1.Long press the
"geomagnetic"
button
calibration" until the
front white light and the
red light on the rear arm
flash rapidly.
2. Horizontal Clockwise
Rotate - Take the drone
horizontally and rotate it
clockwise until the front white
light and rear red light blink
slowly, when the remote
control beeps, the horizontal
calibration is complete.
3. Rotate the drone
clockwise with the tail up -
take the drone upside down,
rotate the drone clockwise
until the front light and red
light on the rear arm
illuminate, when the remote
beeps, the compass
calibration is complete.
Figure 3

Introduction to the remote control indicator:
Figure 4
To operate the application: enter the "Other Settings" interface, complete the compass
calibration according to the text prompt and the operating steps (Figure 4). Once the
compass calibration is complete, automatically enter the flight operations interface.
10.6 Satellite search status (default GPS mode)
When the remote control is in GPS mode, the GPS light is on, indicating that the GPS is
entering the satellite search state. When the red rear aero light flashes, the satellite
search is complete and the remote beeps, the drone can be used (Figure 5).
Note: Once the signal from the satellite reaches at least level 10, the drone can take off.
Figure 5
10.7 Start/Stop (GPS mode)
To unlock the drone, push the left and right control rods on the remote control outwards
(the drone cannot be unlocked for operation unless the satellite search is completed)
(Figure 6).In this condition, the aeroplane can take off and all the lights will illuminate
after takeoff (Figure 7).
App operation: click the "One Key Unlock" icon (Figure 7) in the APP control interface.
the key unlock function can also be achieved
Figure 6Figure 7

Figure 8
Figure 9
10.8 Immediate take-off/landing
After unlocking the drone, lightly press the "Instant Takeoff/Landing" button on the
remote control (Fig. 8) until the drone automatically flies up to a height of about 1 m,
maintain a stable flight at this height; press this button again, the drone will automatically
land slowly on the ground.
App operation: click the icon again during the flight and the aeroplane will automatically
land slowly on the ground (Figure 9).
10.9 Normal mode (optical flight positioning)
The drone is in normal mode: When the drone is flying over good ground, the optical
sensor helps the drone hover in place. Depending on ground conditions and flight
altitude, a yaw of approximately 1 m is normal.
10.10 Start/Stop ( normal mode for indoor operation)
Figure 10Figure 11Figure 12Figure 13
1. Long press the
button "GPS"
button on the
remote control, the
GPS indicator light
will go off, enter
normal mode
(Figure 10).
2. Press the left
and right joysticks
on the remote
control outwards to
unlock the
drone(Figure 11).
3. Push the left
control lever
upwards (Figure
12).
Or press the
"Instant take-off"
button (Figure 13).

Note: Before taking off, perform the following actions with the drone. Frequency tuning
(see 10.1) → WIFI connection(see 10.2) → remote control start frequency (see 10.3) →
horizontal calibration (see 10.4) → geomagnetic calibration (see 10.5) → satellite search
status (default GPS mode) → (see 10. 6) → Start/Stop (GPS mode) (see 10.7) →
Start/Stop (normal mode) (see 10.8) → Normal mode (optical positioning) (see 10.9) →
Start/Stop (normal mode for indoor operation) (see 10.10)
11. Operational methods:
Press the left joystick (throttle
stick) upwards, the speed of
the main blades increases and
the drone climbs. Press the left
joystick (throttle stick)
downwards, the speed of the
main blades decreases, the
drone descends.
Press the left joystick (rudder)
to the left, the drone head will
turn to the left. Press the left
joystick (rudder) to the right, the
drone head will turn to the right.
Press the right joystick (rudder)
upwards and the drone will fly
forward. Press the right joystick
(rudder) downwards and the
drone will fly backwards.
Press the right joystick (rudder)
to the right, the drone's
fuselage will fly to the right.
Press the right joystick (rudder)
to the left, the drone's fuselage
will fly to the left.
Please note: If the drone is lower than 100 cm from the ground, the flight becomes
unstable due to the swirling of the blades, called ground effect. The lower the height of
the drone, the greater the ground effect.

Figure 14
12. Operation of the application and introduction of the remote
control functions:
12.1 Free mode
The front of the drone during frequency matching is the main part in free mode; if you
want to adjust the default direction, restart the frequency matching drone and press the
"free mode" button (Figure 14) on the remote control briefly and press this button again
lightly when finished.
Special tips: set the drone and align it in a straight line so that the gyroscope can
automatically detect the straight line and achieve straight flight in free flight mode.
12.2 Immediate return
Press the "Immediate Return" button, the drone will return above the geomagnetic
calibration position (Figure 15) (if the flight altitude is lower than the safety altitude, the
aeroplane will climb to the safety altitude) and slowly land on the ground. If there are any
obstacles, press the "Immediate Return" button again to disable the function and
manually operate the rudder to avoid obstacles, then press the throttle stick down to land
the drone.
To operate the app: tap the "Instant Return" icon (Figure 16) in the APP control
interface to make the drone fly back; tap this icon again during the return to cancel the
return.
Figure 15Figure 16

Return out of control
When the remote control signal is interrupted for approximately 4 seconds, the drone will
automatically fly back to the location with the appropriate signal.
Return when the battery is low
If the battery is low, the drone will be forced to return to a position about 20 m above the take-
off point. The return cannot be cancelled during the return with low batteries.
12.3 Speed switching:
When the drone takes off, it flies in low speed mode by default (3 gears), press the
remote control lightly, "di" for low gear, "di di" for medium gear and "di di di" for high gear
(Figure 17).
APP operation: click on the "More settings" icon (Figure 18) in the APP control interface
to switch the drone flight speed (Figure 19).
Figure 17Figure 18Figure 19
12.4 Flight mode with waypoint
① In GPS mode, click the "More Settings" icon (Figure 20) in the APP control interface
to enter the multi-site flight (Figure 21), then the interface will switch from the image
transmission page to the map page.
On the map page, click to set a route range consisting of a single waypoint or continuous
waypoints (Figure 22).
If there are too many waypoints during setup, you can click the Delete icon to remove all
waypoints (Figure 23).
② After setting the waypoints, click the Send icon (Figure 24), the drone will
automatically fly to all waypoints from the starting point to complete the preset flight path.
You can control the direction of the drone during flight using the joystick.
Figure 20Figure 21Figure 22
Figure 23Figure 24

12.5 Flight mode in the circle
In GPS mode, click on the "More Settings" icon (Figure 25) in the APP control interface
and enter the circle flight (Figure 26), the drone will automatically create a radius (Figure
27) that can be adjusted in the APP (Figure 28). At this point, press the right rudder left
or right to make the drone fly left or right (Figure 29) to achieve a circle flight, and the
flight speed is adjustable. Push the right rudder back and forth to adjust the radius for
circular flight. Press the circle flight button again to stop the circle flight (Figure 30).
Figure 25Figure 26Figure 27
Figure 28Figure 29Figure 30
12.6 GPS tracking mode
While in GPS mode, click the "More Settings" icon (Figure 31) in the APP control
interface to enter the following mode (Figure 32). The drone will automatically fly with the
movement of the mobile device based on the distance from the drone's current position
to the control device (mobile phone or IPAD). While in tracking mode, lightly press the
GPS following button to cancel the tracking mode.
Figure 31 Figure 32

12.7 Gesture recognition
In GPS mode, you can enable the timer or auto-resume drone recording by looking at the
front camera lens using the following gestures.
Special tip: To perform gesture recognition operations, stay about 3 m away from the
lens and face the lens in a well-lit location.
Yeah gesture photography
About 3 m in front of the drone's lens, raise one hand horizontally and
make the Yeah gesture; if the drone successfully detects this gesture, it
will take a picture after 3 s.
Palm gesture for Auto REC
About 3 m in front of the drone's camera lens, raise one hand
horizontally with 5 fingers open; when the drone's camera successfully
detects this gesture, it will start recording video immediately. Perform this
gesture again, it will stop recording this video (the time difference
between the two detections must be greater than 3 s).
12.8 MV interface
Click the "Filter interface" icon (Figure 33) in the APP control interface to select your
favorite filter effects and click the Record icon to record the MV (Figure 34). When
finished, the composited short video or images will be saved to the media library (Figure
35).
Figure 33Figure 34Figure 35

13. Solving common problems:
The drone light is blinking, but the drone is not
working. Problem:
1. Unsuccessful satellite search for a drone using GPS
2. Low drone battery
Solution:
1. Place the drone in an open area and locate the satellite again.
2. Charge the battery
A drone cannot take off with its blades turned.
Problem:
1. Low battery level
2. Deformed blades
Solution:
1. Charge the battery
2. Replace the blades
Poor drone stability Problem:
Deformed blades
Solution:
Replace the blades
The drone cannot fly smoothly even when fine tuning is set to minimum. Problem:
1. Damaged blades
2. Engine damage, impurities in the engine
Solution:
1. Replace the blades
2. Replace the motor
The drone is out of control after
impact. Problem:
The three-axis acceleration sensor loses its balance due to the impact.
Solution:
Position the drone for 5-10s or correct it with a correction gyro.