JJRC CETUS X8 User manual

CETUS
AGE14+
5G-WIFI BRUSHLESS DRONE
WITH GPS
*Please read this manual carefully before operation and keep it properly for future
reference.

Important Statement
Flight Safety Guidelines
Important Statement and Safety Guidelines
Thank you for purchasing JJRC product. Please read this manual carefully before use and retain it for
future reference.
Package should be retained for future reference.
● This drone is not a toy, but hobby grade model. It should be assembled and operated properly. Pilot
must operate this drone in safe way. Improper operation may cause injury or property damage.
● This drone is applicable for pilots aged 14+ who are with skilled flying experience.
● Users are in full charge of proper operating this drone. Manufacturer and dealers disclaim any
responsibity for damages caused by misuse.
● Keep the small accessories away from kids to avoid accident.
● Stay away from obstacles, crowds, power lines, trees or waters
● Keep the drone in dry environment
Hobby grade radio control drone is somewhat considered to be the highest danger potential article.
Users should firmly uphold the principle of “safety comes first”. Never fly the drone near airports, above
crowds or in zones storing dangerous goods. Understand the responsibility of the accident caused by
improper operations.
Always choose a wide open area for every flight, well away from people and property. Never fly directly
over people or animals. Please don’t fly in such bad weather conditions as high temperature, snow,
strong wind (≥level 5), rain or fog. Maintain a 7ft (2m) distance from the drone when taking off and
landing.
● Practice flying together with skillful pilot
Beginners are suggested to practice flying together with skillful pilot’s guidance. Do not fly alone.
The drone is composed by sophisticated electronic components and mechanical parts. To avoid
damages on the mechanical and electronic components, please keep the drone in dry environment
and use clean cloth to wipe the surface and keep it clean.
-1-

Product Profile
Propeller Changing Tool X1
Package Includes
Drone X1
Extra Propellers A/B X2 USB Cable X1
Balance Charger X1
Screwdriver X1Remote Controller X1
Battery X1
Drone Weight (Included Battery): About 440g
Brushless Motor: 1806 1800KV Charging Time: About 5 Hours
Battery: 7.4V 1800mAh
Maximum Flying Time: About 16.5 Minutes
Diagonal: 310mm Overall Height: 75mm
Technical Parameter of the Drone
Product Configuration
● Bear proper operation and safe flight guidelines in mind
Please take a careful look at the manuals before flights for important information of product functions
and operation tips, and learn how to use the accessory. Safe flight always comes first. Stay informed
of and abide strictly by relevant local laws and regulations. Keep away from any non-flight zones and
respect other people’s privacy.
● Safe flying
● Keep distance from a flying drone
Please make sure you are in good shape mentally before every flight. Fly the drone as per your flying
experience. Never fly under influence of alcohol or drugs. Keep the remote controller at least 20cm
away from your body when flying the drone.
Never use your hands to touch a flying drone under any circumstance. Don’t approach or touch a
landed drone before its propellers are completely locked.
● Keep away from heat source
The drone is made of metal, fiber, plastic, electronic component and other materials. Please keep it
away from the heat source to avoid deformation or even damage caused by sun exposure and high
temperature.
● Environmental protection requirements
To protect our blue planet, please recycle the drone as per local laws and regulations.
Mobile Phone Holder X1
-2-

● Please make sure that the clockwise and the counter-clockwise propellers are installed on
the correct motors, because the drone will not fly normally for improperly installed propellers.
● Be careful when installing the propellers, as they are a little sharp.
● Please use JJRC propellers for this drone.
● Extra propellers can be ordered additionally.
!
!Attention: The battery should be installed firmly; failure to do so may affect the flight safety
of your drone. The drone may crash due to power-cut during the flight.
Product Assemble
●Attach the Propellers:
Install propeller A and propeller B on the corresponding motor shaft and fix the rotor propellers tightly by
rotating them as per the “lock” direction showed on the propellers (indicated as Pic.1).
●Detach the Propellers:
Fix the brushless motor by rotor propellers changing tool and then rotate and remove the propellers as
per the “unlock” direction showed on the propellers (indicated as Pic.2).
BB
B
B
A
A
AA
Pic.1
BB
B
B
A
A
AA
Pic.2
How to Attach and Detach the Propellers
Slide the battery into the battery compartment at the rear of the drone by pushing with appropriate
force, the drone will make beep sounds with LED lights flashing. Make sure that you hear a click
sound indicating the battery is firmly installed. At the moment, turn clockwise 90 degrees of the lock
located at the bottom to the “LOCK” position to double confirm that the battery is installed firmly.
Battery Installation
-3-

!
●The battery plug should be connected correctly with face up (but not upside down) when
plugging into the balance charger; failure to do so will result in charging failure or
charger damaged.
●We recommend using 5V (1-2A) adaptor for charging.
●It is not suggested to charge by computer.
Warm tips：
Step 1. Make sure that your power adaptor (5V 1-2A) is connected with the power outlet (indicated
as Pic.1);
Step 2. Connect the balance charger to the power adaptor by plugging in the USB cable accordingly
(indicated as Pic.2);
Step 3. Insert the white triplex-wire plug of the battery face up into the triplex-wire socket of the balance
charger (indicated as Pic.3).
Full charging takes about 5 hours.
●When charging is proceeding, the green light keeps flashing slowly and the red light keeps solid on.
●When charging is finished, both of the green light and the red light keep solid on.
●If the battery and charging converter is not connected with the balance charger, but the balance
charger is connected with the adaptor, the red light keeps solid on and the green light is off.
●Once there is any malfunction, the red light will be solid on and the green light will keep flashing
rapidly.
Turn counter-clockwise 90 degrees of the lock located at the bottom to the “UNLOCK” position; then
put your thumb and index finger on the designated position and pull backward with appropriate force,
the battery will be removed. To avoid slipping, please keep your finger and your drone dry and clean.
How to Remove the Battery
How to Charge the Battery of Drone
USB
Pic.1 Pic.2 Pic.3
Power adaptor
(not included)Balance chargerUSB cable Battery
-4-

Major Parts of the Drone
!●Need adult supervision when this drone is being played by children.
●Only batteries of the same or equivalent type as recommended are to be used.
●Insert batteries with correct polarity.
●Non rechargeable batteries are not to be charged; the transmitter need 4*AA batteries for
work.
●Do not mix old and new batteries.
●Do not mix alkaline, standard (carbon-zinc), or rechargeable (nickel-cadmium) batteries.
●Rechargeable batteries are to be removed from the drone before being charged.
●Rechargeable batteries are only to be charged under adult supervision.
●Exhausted batteries are to be removed from the drone.
●The supply terminals are not to be short-circuited.
●The charging line to be used with the product should be regularly examined for potential
hazard, such as damage to the cable or cord, plug, enclosure of other parts and that in the
event of such damage, the product must not be used until that damage had been properly
removed.
[2]
[3]
[1] [1]
[2]
Brushless Motor
[3]
Propeller
Camera
7.4V
MADE IN CHINA
LOCK
UNLOCK
[6]
[8]
[7]
[5]
[4]
[4]
Lock Knob
TF Card Slot
[5]
[6]
[7]
[8]
Front Light
Rear Light
Battery
-5-

Major Parts of the Remote Controller
[13] Null Button
[14] Null Button
[15] Null Button
[14] [15]
[13]
L1 L2
LCD Screen
Mode
Remote Controller
Battery Level
GPS Mode
Satellite Amount
Altitude Against Home Point
Photo
Video
Headless Mode
Return-to-Home
(RTH)
Aircraft Battery Level
Signal Strength Remote Controller
Throttle Mode
Distance Against Home Point
[1] One-key Unlock
[2] One-key Takeoff/
One-key Landing
[3] Left Joystick
[4] Gesture/GPS Mode Switch
[5] Power Switch
[6] Power Indicator
[7] One-key Return
[8] Photo/Video
[9] Right Joystick
[10] Headless Mode Switch
[11] Null Button
[12] LCD Screen
A B A B
OFF ON
Mode
[1]
[2]
[3]
[4]
[5] [11]
[12]
[10]
[6]
[9]
[8]
[7]
-6-

Open the battery compartment cover, install 4*AA batteries into the battery compartment according to
the given polarity and then close the battery compartment.
L1 L2 L1 L2 L1 L2
Remote Controller Battery Assembly
!●Insert batteries with correct polarity.
●Non rechargeable batteries are not to be charged; the transmitter need 4*AA batteries for
work.
●Do not mix old and new batteries.
●Do not mix alkaline, standard (carbon-zinc), or rechargeable (nickel-cadmium) batteries.
●Rechargeable batteries are to be removed from the drone before being charged.
●Rechargeable batteries are only to be charged under adult supervision.
●Exhausted batteries are to be removed from the drone.
●The supply terminals are not to be short-circuited.
!● Signal connection is done once for all if the remote controller is not linked to other drone.
● Set the connection one by one to avoid signal connection error.
Pairing Drone with Remote Controller
Step 1: Keep pressing the red button “ ” and turn on the remote controller (indicated as Pic.1).
The remote controller makes 2 beep sounds, and the indicator light keeps flashing; the remote
controller is under signal connection status.
Step 2: Power on the drone (indicated as Pic.2). The drone will make beep sounds with front and
rear lights flashing and will automatically link to the remote controller. Once the remote controller
sends out a long beep sound and the indicator light of the remote controller turns from flashing
to solid on and the signal icon “ ” is shown on the LCD screen, it means that signal
connection is succeeded.
Pic.2Pic.1
OFF ON
A B A B
Model
-7-

Left hand throttle and right hand throttle are available for option at the remote controller. User can
choose different joystick mode as per operation habit. There are 2 joystick modes that could be found
as below:
Joystick Mode
!Attention: To change the joystick mode of the remote controller, please make sure that the
remote controller is under signal connection status (the indicator light keep
flashing). If not, the stick mode could not be changed.
Step 1. Keep pressing the red button and turn on the remote controller, the remote controller is under
signal connection status (indicated as pic.1);
Step 2. Keep pressing the RTH button “ ” for 3 seconds to choose the throttle control mode (indicated
as pic.2). The throttle control mode will change according to each press. The mode number is
shown on the LCD screen. The throttle control mode is set at mode 2 by default.
Remote Controller Joystick Calibration
How to Switch to Joystick Mode:
Step 1. Keep pressing the red button “ ” and turn on the remote controller (indicated as pic.1);
Step 2. Press the calibration button “ ” for 3 second, the remote controller will send out 3 beep
sounds and the indicator light of the remote controller turns from flashing quickly to slowly.
Rotate the left and right joysticks to the greatest extent to any direction for 2 circles (indicated
as pic.2);
Mode 2Mode 1
OFF ON
Model
OFF ON
Model
Throttle
Leftward/Rightward
Forward
Turn Left/Right
Throttle
Leftward/Rightward
Forward
Backward Backward
Turn Left/Right
Pic.1 Pic.2
OFF ON
A B A B
Model
OFF ON
Model
-8-

Remote Controller Status Indicator
No.
1
2
3
4
5
Remote Controller Status
Indicator lights flash quickly.
Signal strength on LCD screen is less than
two grids or no displaying; and the remote
controller makes steady beep...beep...beep
sound.
The remote controller is under signal connection
status.
The remote controller is in low voltage status.
Please replace with a fully charged battery.
1.The distance between drone and remote
controller is so long that the signal is weak.
2.The battery is removed after the drone
connects to the remote controller.
Indication
Indicator lights flash slowly with steady beep..
beep sound and the battery legend “ ”on
LCD screen flashing.
Battery legend “ ” on LCD screen is as
shown, with steady beep..beep...beep sound.
Battery is running out “ ” ; the drone will return
when the altitude is over 100m or the distance is
over 300m.
Battery legend “ ” on LCD screen is as
shown, with steady long beep sound.
Battery is low “ ” ; the drone will return when
the altitude is over 15m or the distance is over
15m; if either the flying altitude or flying distance
is less than 15m, the drone will land on the spot.
!Warm tips: All remote controllers have been calibrated when manufacturing.
Remote controller calibration is requested only if pilots find that the remote
controller joysticks are not working normally.
Attention: Please do not power on your drone when calibrating the joysticks.
Step 3. Then, again, press the calibration button “ ” for 3 seconds (indicated as pic.3). The remote
controller will send out 3 beep sounds and the indicator light of the remote controller turns from
flashing slowly to quickly, which means that the joystick calibration is completed.
Pic.1 Pic.2 Pic.3
OFF ON
A B A B
Model
OFF ON
A B A B
Model
OFF ON
A B A B
Model
-9-

Drone Status Indicator
No.
1Drone 2.4GHz disconnected.
2Drone is in initial detection status.
3No GPS signal, drone is in gesture mode.
4Front light glows solid red, rear
light glows solid green.
Strong GPS signal, drone is ready
for GPS mode.
5Drone is in gyroscope calibration status.
6Drone is in compass horizontal calibration.
7Front and rear lights flash green alternatively. Drone is in compass vertical calibration.
8Front light glows solid red, rear light
flashes red slowly.
Drone is nearly low voltage, 1/4
battery level left.
9Front light glows solid red, rear light
flashes red rapidly.
Drone is in low voltage, only 1/6
voltage left.
10 Front and rear lights flash once, stop
for 1.5 second. Something wrong with the gyroscope.
11 Front and rear lights flash twice, stop
for 1.5 second. Something wrong with the barometer.
12 Front and rear lights flash three times, stop
for 1.5 second. Something wrong with the compass.
13 Front and rear lights flash fourth times, stop
for 1.5 second. Something wrong with the GPS module.
Indicator Status Indication
Front and rear lights flash light green rapidly.
Front and rear lights flash red, light green and
green alternatively.
Front light glows solid red, rear light
glows solid light green.
Front and rear lights flash green rapidly.
The light green indicator lights on the front and
rear flash alternately.
Drone Initial Detection
After signal connection, the drone enters into initial detection procedure with front and rear
lights flashing red, green and light green alternatively. Make sure that the drone is set on a flat and
still surface for the initial detection. The drone initial detection takes about 8 seconds.
Once the remote controller sends out “Di Di” sounds and the drone front and rear lights flash light
green alternatively, initial detection is completed.
!Attention: Make sure that the drone is set on a flat and still surface for the initial
detection.
-10-

● Please do not calibrate the compass in strong magnetic area, such as magnetic field,
parking place or construction areas with underground reinforcement.
● Please do not carry magnetic materials with you (such as keys, cell phones, etc) when
calibrating compass.
● Please keep away from big metal when calibrating compass.
!
!Attention: To fly at GPS mode, please choose an open and wide space for the flight, and
make sure that the satellite amount is over 7.
Drone Compass Calibration
1. Compass calibration should be performed after successful drone initial detection.
2. Drone compass calibration should be done for every flight. That is to say, if changing new battery
or the battery is reinstalled, compass calibration should be done again.
Step 1: Horizontal Calibration
Step 2: Vertical Calibration
Hold the drone with camera facing up, and rotate it 360 degrees along the central axis for
about 3 circles until the front and rear lights of the drone change from flashing to solid on,
the compass calibration is successful.
After successful drone initial detection, the drone front and rear lights flash light green
alternatively. Hold the drone horizontally and rotate it 360 degrees along the central axis for
about 3 circles. The drone front and rear light will change from flashing light green alternatively
to flashing green alternatively when horizontal calibration is completed.
Attention:
Two Steps of Compass Calibration:
-11-

● The gyroscope calibration has been done by factory default. Gyroscope calibration is no
need to be performed unless the drone can not exit the drone initial detection procedure
while the drone initial detection is finished.
● Please make sure to set the drone on horizontal surface when performing calibration;
failure to do this will affect the flight.
!
Gyroscope Calibration
After the drone and the remote controller are banded, set the drone on flat ground and follow the
indication photo as below to calibrate the gyro. Once the drone front and rear lights turn from flashing to
solid on, it means that the gyro calibration is succeeded.
!Attention: Please do not lock the drone by pressing the “ ” button directly during the flight,
otherwise the drone might crash.
How to Lock and Unlock the Drone
There are 2 ways to unlock the drone that you can find it below:
●Method 1: Short-press the red button “ ” (indicated as Pic.1). The motors rotate and the drone
is unlocked.
●Method 2: Push the left joystick to the lower right corner and the right joystick to the lower left corner at
the same time (indicated as Pic.2) to unlock the drone.
There are 2 ways to lock the drone that you can find it as below:
●Method 1: Long-press the red button “ ” (indicated as Pic.1) for 3 seconds, the motors will stop
rotating immediately and the drone is locked.
●Method 2: After the drone lands on the ground, pull down the throttle joystick to the bottom position
and keep for 3 seconds, the motors will stop rotating and the drone is locked.
Unlock the Drone:
Lock the Drone:
OFF ON
A B A B
Model
Pic.1 Pic.2
OFF ON
Model
-12-

Operate the Drone
One-key Takeoff/Landing
Flight Mode
● After the drone has been unlocked, short-press the “ ” button (indicated as below), the drone will
automatically takeoff and hover at 1.5m altitude.
● When the drone is flying, short-press the “ ” button (indicated as below), the drone will
automatically land on the ground.
Slide the button to position “A” (indicated as below), the drone is in Gesture mode that GPS is not
used for positioning, and the drone only uses the barometer to maintain altitude. The drone will not
fly with precise positioning and hovering. Gesture mode requests pilot with good skill.
Gesture Mode
Remote Controller Drone Remote Controller Drone
Ascent
Descent
Turn LeftTurn Right
Front
Rear
Front
Rear
Leftward
Rightward
Forward
Backward
OFF ON
Model
OFF ON
Model
OFF ON
Model
OFF ON
Model
A B A B
OFF ON
Model
OFF ON
Model
-13-

Slide the button to position “B” (indicated as below), the drone is in GPS mode and can precisely
position and hover by the assitance of the GPS module.
GPS Mode
Return-To-Home (RTH)
Smart RTH
If the GPS signal is available (more than 7 satellites is presented) and the Home Point is recorded
previously, press this button, the drone will fly back to the Home Point. During the smart RTH, you
can use the remote controller to guide the drone around obstacles. You can press the RTH button
again to exit RTH procedure and regain control of the drone.
Slide the Headless mode switch button to position “B” (indicated as below); the drone enters into
headless mode. When the drone is in headless mode, you’re required to position the drone in such a
way that its front is your front before the drone takes off. Then, when you take off the drone with the
drone pointing to the front, you can give up worrying about orientation during flight.
Headless Mode
The Return-to-Home (RTH) procedure brings the drone back to the last recorded Home
Point. There are 3 types of RTH procedures: smart RTH, failsafe RTH and low voltage RTH.
The following sections describe them in detail.
Home Point
The Home Point is the location at which the
drone takes off. A strong GPS signal must
be presented for the drone to record the
Home Point.
GPS Description
A B A B
OFF ON
Model
A B A B
OFF ON
Model
OFF ON
-14-

Low Voltage RTH
Photo/Video
Attention: When the drone is not inserted with TF card or the TF card is malfunction,
photos and videos taking can not be done.
!
Failsafe RTH
If the GPS signal is available (more than 7 satellites is presented) and the Home Point is recorded
previously. Failsafe RTH will be triggered if the remote controller signal is lost for more than 6 seconds,
the flight-control system will control the drone automatically and the drone will fly back to the last
recorded Home Point. You can regain control of the drone by pressing the RTH button if the remote
controller signal is recovered.
!● During the Failsafe RTH procedure, the drone can not avoid obstacles.
● The drone cannot Return-to-Home if the GPS signal is weak (satellite amount
is less than 7).
● If there is no GPS signal and the remote controller signal interrupts for more than 6
seconds, the drone will not Return-to-Home but descend slowly until landing on to the
ground and locked.
!Attention: When drone is in low voltage RTH status you can not regain control of the
drone by pressing the RTH button.
When the drone rear light flash red slowly, battery icon “ ” is shown on the LCD screen, and
steady beep, beep, beep..., beep, beep, beep sound is heard. At this moment, as long as the drone
flying altitude is over 100 meters or the flying distance is over 300 meters, the drone will automatically
fly back to the Home Point.
When the drone rear light flash red slowly, battery icon “ ” is shown on the LCD screen, and
steady beep.., beep..., beep sound is heard. At this moment, as long as the drone flying altitude is
over 15 meters or the flying distance is over 15 meters, the drone will automatically fly back to the
Home Point. If the drone flying altitude is less than 15 meters or the flying distance is less than 15
meters, the drone will automatically land on the ground.
Short-press the button indicated as below and the camera icon “ ” on the LCD screen flashes once,
the camera takes one photo; Long-press the same button, the video icon “ ” on the LCD screen
flashes slowly, the camera starts to take video. Long-press again to exit video mode.
OFF ON
Model
-15-

Flight
Pre-flight Preparations
1. Connect the remote controller with the drone and then proceed to initial detection.
2. Drone compass calibration.
3. Unlock the drone after the gyro detection of the drone is completed.
4. Pull up the throttle joystick to control the drone to take off, and control the drone flight by left/right joystick.
5. Pull down the throttle joystick to the bottom position and keep for 3 seconds to lock the drone.
6. Pull out the battery from the drone and then turn off the remote controller.
Pic. 1 Pic. 2
ModeMode
Mode
●When the battery icon “ ” is shown on the LCD screen, and the drone front lights glow solid on
and the rear lights keep flashing rapidly, it means that the battery is in low voltage.
Low Voltage Warning
●When the battery icon “ ” is shown on the LCD screen, and the drone front lights glow solid on
and the rear lights keep flashing slowly, it means that the battery is nearly low voltage.
Signal Strength Indication
Signal strength “ ” shows the strength of the received signal. The more, the better.
1. The drone and the remote controller are fully charged.
2. The propellers are installed correctly.
3. The motors work normally after unlocking.
Basic Flights
-16-

Attention：
● Please make sure that your mobile device supports 5G WIFI before connecting JJRC X
to your device.
● After installing “JJRC X” APP on your mobile device and connecting the “JJRC X” to the
camera, your drone will be capable of flying in the intelligent flight modes: Follow Me,
Point of Interest and Waypoint flying.
● Beginners are suggested to press “Help” button to learn about the camera operation
method.
!
Download “JJRC X” APP
● For Apple iOS system, please turn to
Apple store, search for “JJRC X” or scan
the QR code at right side to download
the software.
● For Android system, please scan the
“Google play” or “Android” QR
code or search for “JJRC X” in “Google
play” to download the software.
FPV Software Download and Installation
Connect Your Drone to “JJRC X” :
Saving Photos and Videos:
1. If the camera is without TF card, videos and photos will be saved on the APP.
2. If the camera is with TF card, videos and photos will be saved in the TF card.
3. Videos and photos in the TF card can be downloaded to the APP.
Power on the drone, then navigate to settings. Turn on WiFi, find drone**** on the list and
connect it. When “ ” legend is shown, it means WiFi connecting is successful. Exit settings and
tap “JJRC X” APP at your mobile device, then select your drone model on the home page;
click “ ” to enter into the real-time image transmission interface.
ANDROID APP ON
ANDROID APP ON
Android
Available on the
App Store
JJRC X
GO
Click “ ”
Connect WIFI
Setting
Wi-Fi
drone****
-17-

The product uses 5G WiFi and works at channels of 36 and 149.
Factory default is set at the 36 channel.
Corresponding country/area available channel lists are as follows:
How to select channel
Connect the drone to the remote controller, and keep pressing
the “ ” button on the remote controller for about 8 seconds,
the remote controller makes “Di Di...Di Di Di” sound. Then, remain
pressing the “ ” button for another 3 seconds, power off your
aircraft. Turn on your drone again; it has changed to new channel
already.
Channel USA Europ Japan Singapor China Taiwan
Frequency
（MHZ ）
South
Korea
36 Available Available Available Available Available Available
5180 Available
149 Available Disable Disable Available Available Available
5745 Available
5G WiFi Channel Switch
OFF ON
A B A B
Model
-18-

Basic Parts
Product Components
Upper Casing Main Frame
Lamp Cover of the
Front and Rear Light Battery Front/Rear
LED Indicator GPS Module
ESC Interleaving Paper Compass
Receiver Board
Screws Pack
Clockwise MotorPropeller A/B Counter-clockwise
Motor
Camera Lens
Propeller
Changing Tool
-19-