Walkera F420 is a powerful and versatile drone that is perfect for both beginners and experienced pilots. With its advanced features, such as Optical Flow Positioning System and Infrared Obstacle Avoidance System, the F420 can fly smoothly and safely even in complex environments. The F420 also comes with a high-quality camera that can capture stunning aerial footage. Whether you are looking to capture beautiful photos and videos or simply want to enjoy the thrill of flying, the F420 is the perfect drone for you.
Here are some of the key features of the Walkera F420:
- Optical Flow Positioning System: This system uses a camera to track the ground below the drone, which allows the drone to hover accurately even in windy conditions.
Walkera F420 is a powerful and versatile drone that is perfect for both beginners and experienced pilots. With its advanced features, such as Optical Flow Positioning System and Infrared Obstacle Avoidance System, the F420 can fly smoothly and safely even in complex environments. The F420 also comes with a high-quality camera that can capture stunning aerial footage. Whether you are looking to capture beautiful photos and videos or simply want to enjoy the thrill of flying, the F420 is the perfect drone for you.
Here are some of the key features of the Walkera F420:
- Optical Flow Positioning System: This system uses a camera to track the ground below the drone, which allows the drone to hover accurately even in windy conditions.
Jun 23th 2020
www.walkera.com
F420中英文合并成一本说明书要求如下：
英文快速操作指南排在前面，中文快速操作指南排在后面
英文封面、中文封底用157g双铜，内页100g双铜(含英文封底、中文封面)
英文封面、中文封底过哑膜
双面四色印刷，骑马装钉，切成品尺寸
Starlight
QUICK START GUIDE
V1.0
2
Contents
4
3
7
8-9
10
10
6
11
19
19
10
11
5
6
7
12-16
17
11
17
17
18
18
1.0 Get to know your aircraft
2.0 Get to know your Remote Controller
3.0 Specifications
4.0 Attention Before Flight
5.0 Check Battery Levels
6.0 Aircraft battery charging
7.0 Remote controller charging
8.0 APP Interface Instructions
9.0 Prepare for Remote Controller
10.0 Prepare for Aircraft
11.0 Ready for Flight
11.1 Starting the aircraft & Get binding
11.2 Connect the APP
11.3 GPS Indicator Lights
11.4 Motor Unlock/Lock
12.0 Flight Control
13.0 End flight
14.0 Additional remarks
14.1 Lower Optical Flow Positioning System
14.2 Infrared Obstacle Avoidance System
14.3 Compass Calibration
14.4 Stick Mode Switch & Stick Calibration
15.0 Flight Battery Safety Guidelines
15.1 Battery Use
15.2 Battery Storage
Walkera All Rights Reserved
Starlight QUICK START GUIDE
3
The fuselage adopts the integrated design of carbon fiber, which is easy to install and more convenient to carry
and prepare before flight.
Equipped with advanced Optical Flow Positioning System and Infrared Obstacle Avoidance Perception System,
it can realize accurate positioning and automatic obstacle avoidance, and reduce accidents caused by operation errors.
Adopting 2.4GHz& 5.8GHz dual-band long-distance digital encryption transmission technology,which makes the
maximum video transmission range as long as 9km.
Equipped with 3 dimensional gimbal and night-vision starlight camera which can sense the change of light automatically,
it is capable of capturing clear footage not only at night but also in daytime with the same shooting quality.
1.0 Get to know your aircraft
1)Gimbal and Camera
2)Micro SD card slot
3)Infrared Obstacle Avoidance System
4)CW propeller ( )
5)CCW propeller ( )
6
)
Brushless motor
7)Battery compartment cover
8)GPS antennas
9)Upgrade port (Micro USB)
10)Rear LEDs
11)Antenna
12)Infrade altimeter System
13)Optical Flow lense
14)Expansion port
* 1) To avoid property loss and persona
l injury caused by wrong operation, please read the manual carefully, upgrade the firmware
and
calibrate the related items by watching the tutorial video at www.walkera.com before using F420.
2) Rotating propellers can be dangerous. Do not start the motors when there are people nearby.
13 14
4
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Starlight QUICK START GUIDE
Forward
Take “American hand (left hand throttle)” as an example. The left stick controls the aircraft's altitude and heading,
while the right stick controls its forward, backward, left and right movements.
Left Right
Tilt left
Turn left Turn right
Tilt left
Left Stick Right Stick
Up
Down
Backward
3.0 Get to know your R emote Controller
Remote controller uses 2.4GHz& 5.8GHz dual-band long-distance digital encryption transmission technology,with
complete function buttons to complete various operations and settings of the aircraft and camera within a maximum
distance of 9km, and can be real-time on the remote control screen. Display HD pictures.
1)Gimbal Pitch Dial
2)Photo(Not activated)
3)Upgrade Remote Control Port
4)Charging Socket
5)Video(Not activated)
6)Gimbal Horizontal Dial
7)Antenna
8)Charging Completion Indicator
9)Battery Level Indicator
10)Charging Indicator
11)Flight Mode Switch
12)Auto Take Off/Landing Switch
13)Left Stick
14)Right Stick
15)A Button
16)Return To Home Button
17)B Button
18)D Button
19)C Button
20)Power Button
21)SD Card Slot
22)HDMI Output Port
23)Upgrade Android System Port
24)Touch Screen
Power on: Press and hold the power switch to turn on the remote control.
Shutdown/R estart:
Press and hold the power switch, the “Shutdown” and“Restart” operation
interface will pop up on the remote control screen. Click "Shutdown" to turn
off the remote control; click "Restart" to restart the remote control;
Turn off the screen: Press the power switch once to turn off the screen;
Turn on the screen: Press the power switch once, the remote control screen
will light up after 4 seconds;
Forced shutdown: In special cases, press and hold the power switch,and
press the return button after 8 seconds to force the shutdown.
Manual of remote control power switch:
Warning:
Forced shutdown may lead to the loss the data of remote control. Forced shutdown is used only in special
cases and the use of forced shutdown function is prohibited in general.
WKRC-H15Z
Common
GPS
Manual
C
Take off
Landing
Power
RTH
D
19
98 10
21 22 23 24
17
15
13
11
18
20
16
14
12
7
Upgrade port
Charge Port
15V 4A
Spray
Gimbal UP
Gimbal L
Extinguisher
1 3 4 62 5
* 1) The Remote Controller has J apanese hand and American hand, please select the MODE in the APP American hand is better for Beginners.
2) American hand (left hand throttle): Left stick--THRO/RUDD; Right stick --ELEV/AILE.
3) Ja panese hand (right hand throttle): Left stick--ELEV/RUDD; Right stick--THRO/AILE.
4) Please fly your aircraft in the open air without shelter and electromagnetic interference. The maximum signal range for the remote
controller being about 9km is tested in experiment and only for reference.
Turn
Left
Turn
Right
Tilt
left
Tilt
Right
5
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Starlight QUICK START GUIDE
3.0 Specifications
420mm
335× 335× 206mm
KV value 650rpm / V
Continuous current 40A
Diameter× pitch: 11× 4.5 inch
1.4kg
1.5kg
5m/s
3m/s
Positioning mode5m/s , Motion mode10m/s , Posture mode15m/s
Positioning mode25° , Motion mode30°, Posture mode30°
150°/s
4500m
10m/s
22.2V，4500mAh,LiPo 6S
50 minutes
-10~ +45
GPS / GLONASS dual mode
Vertical : ± 1.5m(when GPS positioning working)Horizontal: ± 0.4m(when GPS positioning working)
Aircraft
Gimbal
Lower Optical Flow Positioning System
Symmetrical Motor Wheelbase
Dimensions(L x W x H)
Motor
ESC
Propeller Specifications
Standard Take-off Weight
Maximum Takeoff Weight
Max Ascent Speed
Max Descent Speed
Max Horizontal Flight Speed
Max Angle Of Inclination
Max Speed Of Rotation Angle
Max Service Ceiling Above Sea Level
Max Wind Resistance
Battery
Flight Time
Working Temperature
Satellite positioning module
Hovering Accuracy
Input Voltage
Stabilization System
Controllable Range
Max Controllable Speed
Controllable Accuracy
12V
3 axis (Pitch, Yaw, Roll)
Pitch: -90°~ 0°
Pitch: 30 ° / s; Roll: Direct angle control
Static: ± 0.01°; Motion: ± 0.02°; Shake-proof: ± 0.01°
Camera
Sensor
Lens
ISO Range
Electronic Shutter
Photo Resolution
Video Resolution
Video Storage Maximum
Support File System Format
Image Format
Video Format
Support Memory Card Type
SONY: 1 / 2.7 inch CMOS; effective pixels 2 million
FOV85 °; 4.4mm; f / 1.2 aperture
100-12800
1/10-1/10000
1920* 1080
UHD:1920* 1080 30fps
16Mbit/s
Fat32; exFat
JP EG
MP4
Micro-SD Card (maximum 128G, transmitting speed is C10 and above or UHS-1)
Infrared Obstacle Avoidance System
Velocity Range
Height Measurement Range
Hover Accuracy Range
Frequency
Obstacle detecting range
FOV
Frequency
Flight speed < 18km / h (height 2 m, sufficient light)
m
± 0.1m
100Hz
12m
Horizontal 30°; vertical ± 2.4°
100Hz
Remote Controller
Screen
Working frequency
Internal storage
System
Signal effective distance
Video output interface
Built-in battery
Memory card type
7.86inch; Resolution: 2048× 1536; Brightness: 2000 cd/m2
2.4GHz & 5.8GHz dual frequency
RAM: 4G; ROM: 16G
Android
About 9KM (open, no occlusion, no electromagnetic interference)
HDMI
7.4V 9000mAh LiPo 2S
Maximum support for 64GB microSD card
6
Walkera All Rights Reserved
Starlight QUICK START GUIDE
4.0 Attention Before Flight
1) This product uses 2.4G & 5.8G dual-band transmission. Please fly your aircraft in the open air without shelter and
without electromagnetic interference.
2) This product is suitable for people who has flight experience of hobby model and ages 14 .
3) Don’t fly in a bad weather, such as windy, snowy, foggy etc..
4) Select the open, no-tall-buildings area. Extensive steel-used buildings will affect the compass, blocking the GPS
signal, causing worse on the aircraft positioning or even not able to locate.
5) Please keep away from highly spining parts(such as propellers and motors).
6) Please keep away from obstacles, people, water and so on.
7) Don’t fly it in where there is high-voltage lines, communication base stations or radio towers, in order to avoid
signal interference.
8) Don’t fly in no-fly zone according to the local laws and regulations.
9) Flight performance will be effected with environment when flying above 4500m of sea levels,as the battery and
gravity system will be influenced.
5.0 Check Battery Levels
Turn on the remote controller and flight Battery to check the battery level.
Be sure the battery was fully charged at the first use.
1) Long press the power button for 2~ 3 seconds to turn on the remote controller.
2) Long press the power button for 3~ 5 seconds to turn on Flight Battery.
(Repeat above operation to turn off the aircraft battery)
6 .1 Connect the charger
Connect the B6 power adapter, B6 balanced charger, charging converter, 6S balanced charging cable, charging
conversion cable, and flying battery as shown in the figure.
Charging
interface
Power Outlet
100~ 240V
For more detailed instructions on the charger,
please refer to the iMAX B6 V2 charger manual.
7
Walkera All Rights Reserved
Starlight QUICK START GUIDE
6 .0 Aircraft Battery Charging
Tip: This device has a built- in lithium battery
7 .4V 9 000mAh, Available D C 12~ 15V for charging.
7 .0 R emote controller charging
Power
Adapter
1) Connect the charger to the AC power (100 ~ 240V
50/60Hz).
2) Please turn off the remote controller before charging.
3) The charging completion indicator of remote
controller turns green means remote controller
charging finished completely.
6 .2 Charging operation steps
Power Adapter
Balance charger
Charge conversion
cable
Charge converter
6S balanced
charging cable
Balance charger
Balance charger
Balance charger
Balance charger
Balance charger
Balance charger
Balance charger
Charge converter
Balance charger
Charge converter
Charge conversion
cable
Charge converter
6S balanced
charging cable
BATT/PR OG
STOP
Status
Enter
D EC.
INC.
STAR T
R : 6 SER S: 6 SER
CANCEL(STOP)
6 5 4 3 2 1
D C INPU T 11- 18 V
OUT PUT
Connected to AC power
100 ~ 240V
2) Press button or button to select the type of rechargeable battery until the screen displays ,
press button to confirm.
Program Select
LiPo BATT
INC
D EC
STAR T
Enter
3Keep pressing the button to select the charging method until the screen displays , and press
button to enter the current setting.
LiPo BALANCE CHG
3.0A 22.2V(6S)
INC
STAR T
Enter
5) Press and hold the button for 3 seconds, the screen will switch between and , then
press button to start charging.
R : 6 SER S: 6 SER
CANCEL(STOP)
CONFIR M(ENTER )
STAR T
Enter
STAR T
Enter
4) Press button or button to select the current value, it is recommended to set it to 2.0A; press to enter
the voltage setting, then press button or button to set the voltage value to 22.2V (6S), press to confirm.
INC
D EC
INC
D EC
STAR T
Enter
STAR T
Enter
1) After connecting the charger and battery, first turn on the power switch of the flight battery.
Tip: The flight battery can only be charged when the power switch is turned on.
1.30 m
5
4
3 m
15
14
18
03:58:45
2.4G
98%
77%
15 m
D H H .S V.S
17.1 m 0.0 m/s 0.0 m/s
P
0.0°
R
0.0°
Y
0.0°
GPS Ready
21
20
18
19
13
14
15
1617
Connected
GPS Mode
8
Walkera All Rights Reserved
Starlight QUICK START GUIDE
8 .0 APP Interface Instructions
On the interface, HD video and photographs can be previewed in realtime and you can set the dynamic parameters,
such as aircraft, remote controller, gimbal and fuel.
2)Back: Back to last step.
1)Ranging value: The distance between the aircraft and the
object directly in front of the aircraft.
3)Device connection status: Display Aircraft connected or
disconnected.
4)Flight time: Aircraft flight time.
5)The aircraft Mode: Displays aircraft’s flight mode.
6)Numbers of aircraft satellite:Display the received satellites
of aircraft.
7)Positioning accuracy:Display aircraft positioning accuracy.
8)High-definition image transmission signal strength:Shows
the strength of the video signal transmitted between the
aircraft and the remote control.
11)Aircraft Battery Voltage: Displays the current flying battery
voltage in real time.
9)Remote signal strength: Displays the control signal strength
between the remote controller and the aircraft.
10)Remote battery level: Displays the current remaining
battery power of the remote controller in real time.
12)Setting: Click the icon“ ”to open the Setting menu,
Normal setting, aircraft, remote control, gimbal and battery
can be set.
13)Camera Settings:Touch Camera icons“ ”it has preview
settings, recording settings and so on. Under identical
Video Size, the larger the stream Rate, the better the picture
quality, meanwhile, the video transmission distance is
shortened accordingly.
14)Camera Working Mode Switch: click the icon“ ” once,
and the camera working mode will switch between photo
& video modes once.
When switching to taking photos: tap the icon“ ” to trigger
the camera to take photos.
When switching to recording: tap the icon“ ” to start/
stop recording.
Camera Working Mode Switch: click the icon“ ” once,
MODE
15)GPS positioning” appears when GPS connected; “GPS
not positioning” appears when GPS disconnected.
16)Volume Adjustment: tap the icon to pop-up the tone volume
adjustment switch.
17)Remote control system navigation icon:
“ ”Returns: tap the icon to return to the previous level;
“ ”Returns to the system desktop: Tap the icon to return
to the system desktop;
“ ”Task Management: Tap the icon to display all
taskscurrently running
18)Screen capture: Tap the icon to save an image of what is
currently displayed on the entire screen.
F420中英文合并成一本说明书要求如下：
英文快速操作指南排在前面，中文快速操作指南排在后面
英文封面、中文封底用157g双铜，内页100g双铜(含英文封底、中文封面)
英文封面、中文封底过哑膜
双面四色印刷，骑马装钉，切成品尺寸
Map lock
Map switch
Waypoints
18
03:58:45
2.4G
98%
77%
Connected
GPS Mode
15 m
D H H .S V.S
17.1 m 0.0 m/s 0.0 m/s
P
0.0°
R
0.0°
Y
0.0°
GPS Ready
Route Plant
1.30 m
5
4
3 m
15
14
Waypoints
R oute Plant
Strong
Weak
9
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Starlight QUICK START GUIDE
20)Automatic obstacle avoidance switch: Turns on or off
the automatic obstacle avoidance function.
21)Map thumbnail icon: Click the map thumbnail icon to
quickly switch to the map interface (please turn off the
aircraft power before flight and click " map thumbnail"
when networking.)
19)Flight status parameters:
Distance(D): horizontal distance between aircraft and
returning point.
Height(H): vertical distance between aircraft and returning
point.
Horizontal speed(H.S): speed of aircraft in a horizontal
direction.
Vertical speed(V.S): speed of aircraft in the vertical
direction.
Pitch angle(P): The front and rear tilt angles of the aircraft.
Roll angle(R): The left and right tilt angle of the aircraft.
Heading angle(Y): The left and right steering angle of
the aircraft.
9 .0 Prepare for R emote Controller
Install the antenna and adjust the antenna position.
The signal strength received by different antenna positions is different.
Optimum communication range
Do not use other communication
devices in the same frequency
band at the same time, so as
not to interfere with the remote
controller signal.
Ensure that the aircraft is flying within the optimal transmission zone.
To achieve the best transmission performance, maintain the appropriate
relationship between the operator and the aircraft.
Insert a MicroSD memory card
(notch facing the tail of the aircraft).
H ow to take out: Hold down the
unlock buttons on both sides and
pull the gimbal toward the front of
the aircraft.
Slide the gimbal and camera
along the chute, and the gimbal
will automatically lock.
Press Press
10
Walkera All Rights Reserved
Starlight QUICK START GUIDE
Install the gimbal and camera
10.0 Prepare for Aircraft
Before you plan to fly, please download the map in the APP (turn off the aircraft power,and
connect internet, click the " A thumbnail map icon" to download the map).
Place the aircraft in an open outdoor area, with its tail facing the operator.
11.0 R eady for Flight
11.1 Start the aircraft &Get code binding
1)Open the battery compartment cover
and make sure that the battery pressure
block is turned to the open position
shown in the figure above.
2)Align the battery interface with the
battery interface seat and install it
in the battery compartment.
Red LED
a
Lai
Power
RTH
3)Turn the battery pressing block to
the pressing position.
4)Turn on the remote controller. 5)Turn on the aircraft power switch
and close the battery compartment
cover.
6)Rest the aircraft in a horizontal position.
Red LED lights flash alternately until
it is steady on, indicating the completion
of IMU preheating and successful
alignment.
Tips: When the code is being checked, if the red and green LED lights keep flashing fast, it means the aircraft
is abnormal, please refer to the APP tips.
1.30 m
5
4
3 m
15
14
18
03:58:45
2.4G
98%
77%
15 m
D H H .S V.S
17.1 m 0.0 m/s 0.0 m/s
P
0.0°
R
0.0°
Y
0.0°
GPS Ready
Connected
GPS Mode
11
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Starlight QUICK START GUIDE
11.2 Connect the APP
1
)
Click “F420”icon on
touch screen.
2)Click “Selection device”;Select “F420
NVC”;Click “Go to Connect”.
3)Enter main interface.
11.3 GPS Indicator Lights
The blue LED flashes to indicate that the GPS function work, and the APP will display the number of satellites.
Blue LED
11.4 Motor Unlock/Lock
After successful code-matching, move the left & right sticks down and toggle them outward, and hold for more than
2 seconds. You will see the red and blue LED lights keep on, indicating that motors are unlocked.The unlocked
motors will rotate, and please immediately release sticks.
Motor Unlock
Motor Lock
When the aircraft is landed, move the throttle stick down and hold for 5 seconds. The motors will then stop.
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Walkera All Rights Reserved
Starlight QUICK START GUIDE
1) Make sure that the GPS signal is received (the blue and red LED lights blink at the same time).
2) Only when “C onnected” displays on the upper bar of the main interface of the APP, you can
perform APP operation.
3) Please switch the flight mode before takeoff (check the current flight mode with APP).
4) Please unlock motors before takeoff. (see 11.4 for unlocking method)
12.0 Flight Control
Auto Takeoff is active only under GPS mode.
Auto takeoff default to 3.5m altitude, and it can be removed by pushing the throttle to midpoint or above,
whenever manual control over the throttle is needed.
After Auto takeoff, please switch the flight mode of the remote control according to your needs.
Manual Takeoff or AUTO Takeoff (R emote Controller Operation)
Manual Landing or AUTO Landing (R emote Controller Operation)
Manual Landing:
To land, pull down on the throttle stick to descend until the aircraft touches the ground.After
landing, push and hold the throttle stick down. The motors will stop after 5 seconds.
Manual takeoff: Perform a combination stick command to start the motor and then slowly push the throttle stick
upward to take off.
Left and right stick(start the motor)
Switch to “Take off”
position and the aircraft
will take off automatically.
After taking off,
turn the switch to
the middle position.
Aircraft in
GPS mode
mm
GP
aal
a
Lai
a
Lai
Left and right stick
(Start the motor)
Throttle stick(American hand is left stick)
Throttle stick
AUTO Takeoff: After the motor is unlocked, the flight mode switch in GPS mode, the auto take-off/landing switch
to the “Take off” position and the aircraft automatically takes off. Hover 3.5 meters from the ground, please turn the
auto take-off/landing switch back to the middle position.
13
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Starlight QUICK START GUIDE
Switch to “Landing”
position and the aircraft
will land automatically.
After landing on the
ground, turn the switch
to the middle position.
Aircraft in
GPS mode
During landing, you can operate the aircraft forward, backward, rightward and leftward.
During the landing process, please switch the flight mode of the remote controller
if landing needs to be cancelled.
AUTO Landing:
mm
GP
aal
a
Lai
a
Lai
Throttle stick
The flight mode switch in the GPS mode, the auto take-off/landing switch to the "Landing" position and the aircraft
automatically landed. After landing on the ground, please turn the aauto take-off/landing switch back to the middle
position, then push and hold the throttle stick down, the motors will stop after 5 seconds.
GPS mode (R emote Controller Operation)
Motion mode (R emote Controller Operation)
The first flight default to GPS Mode after each power on.
In the GPS mode, there are Altitude hold, fixed point, brake function, the flight speed is slower.
If the GPS signal is weak or no signal, can only be Altitude hold, but not fixed point.
Switch to manual mode can not be fixed point.
In the Motion mode, there are Altitude hold, fixed point, brake function, the flight speed is faster.
If the GPS signal is poor or no signal, can only be Altitude hold, but not fixed point.
Switch to manual mode can not be fixed point.
Switch to “Common” position
and the aircraft will enter motion mode.
mm
GP
aal
mm
GP
aal
Throttle stick return neutral,
The aircraft will enter GPS mode.
Switch to “GPS”
position.
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Starlight QUICK START GUIDE
The aircraft can enter waypoints flight in GPS mode.
Click this icon to add waypoints
Add
Start
Exit
Clear
Click this icon to clear waypoints
Click this icon to start waypoints flight
Click this icon to exit
Waypoints Flight (APP Operation) R oute Planning (APP Operation)
on the map interface, click icon to enter the
waypoints flight interface.
on the map interface, click icon toenter the
route planning interface.
on the map interface, click icon toenter the
on the map interface, click icon toenter the
GENER ATE
LINE
30
4
H
Angle:
Angle:
W
Click this icon to
clear waypoints
Firstly, set the waypoint
on the map interface
and touch this icon to
generate the route.
Touch this icon to align
the edges after the route
is generated.
Touch this icon to
start flying.
Click this icon to exit
Set fore-
and-aft
course
overlap
H : Set waypoint
height
W: Set sidelap
CLEAR
ALIGN
ED GE
STAR T
EX IT
Do not operate other switches or buttons after pressing the RTH button shortly.
When the aircraft loses the signal of the remote controller, it will automatically enter the Uncontrolled
RETURN TO HOME.
When the GPS signal is abnormal or GPS doesn’t work, the RETURN TO HOME is unusable,Please
manually control the landing.
Pr
ess the RTH button once again during the RETURN TO HOME to cancel the RETURN TO HOME.
During the Uncontrolled RETURN TO HOME, after the remote control signal returns to normal,
the RETURN TO HOME process will continue, but you can switch to manual mode to cancel the
RETURN TO HOME.
Horizontal distance between aircraft & Home point＞30m
a. When the flight altitude is over RTH Height, the aircraft will keep the current altitude and automatically fly back above the Home
Point, then descend vertically.
b. When the flight altitude is below RTH Height, the aircraft will ascend vertically to 25m high, then automatically fly back above
the Home point, and descend vertically.
R ETUR N TO H OME (R emote Controller Operation)
Horizontal distance between aircraft & Home point＜30m
a. When the flight altitude is over RTH Height, the aircraft will keep the current altitude and automatically fly back above the Home
Point, then descend vertically.
b. When the flight altitude is below RTH Height, the aircraft will keep the current altitude and automatically fly back above the Home
Point, then descend vertically.
Short press the RTH button, the aircraft will automatically return to home.
After the auto return home is over, short press the RTH button again to cancel
the return home mode.
Height over HP25m
Horizontal distance between aircraft & Home point30m or 30m
Horizontal distance between aircraft
& Home point30m
Horizontal distance between aircraft & Home point30m
Height over HP 25m
Elevate
to 25m
Descend vertically
Descend vertically
Home Point
25m (25-100m customizable)
+60°
-90°
0°
Angle of Pitch
1.30 m
5
4
3 m
15
14
18
03:58:45
2.4G
98%
77%
15 m
D H H .S V.S
17.1 m 0.0 m/s 0.0 m/s
P
0.0°
R
0.0°
Y
0.0°
GPS Ready
Connected
GPS Mode
WKRC-H15Z
mm
GP
aal
a
Lai
C
Power
RTH
D
G
i
m
b
a
l
U
P
L
G
i
m
b
a
l
In APP image interface
swipe up or down.
Gimbal Pitch Dial up or down.
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Starlight QUICK START GUIDE
Control the gimbal (remote controller or APP operation)
Three- axis stabiliz ation gimbal makes the camera steady so that it can shoot stable photos even fly with
hight altitude. And you can control pitchangle of the gimbal by Gimbal dial on R emote Controller or operate
in the APP interface.
You must select the mode first and then adjust the angle. In follow me mode, the horizontal angle
(YAW) is not adjustable.
Gimbal stick position determines the rate of change of the gimbal: when the stick located at the
midpoint the velocity is zero, the greater the offset of the stick gimbal changes faster, whereas the slower.
Adjust the brightness of the camera shooting screen (APP operation)
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When the image is dark or bright, you can use the camera to set the automatic mode or manual mode in the
professional options.
Manual mode: You can adjust the brightness of the screen by adjusting the shutter speed, ISO sensitivity, and
exposure compensation.
In Auto mode, only can adjust the exposure compensation(EV).
Note: The APP main interface has an image display transmitted by the aircraft before it can be manipulated
using the touch screen.
Note: The APP main interface has an image display transmitted by the aircraft before it can be manipulated
using the touch screen.
Photo & Video (APP Operation)
Photo and video need to be operated in the APP interface.
Photo
icon
Working
mode
switch
Camera
Settings
00:00
Video icon
1) Touch the icon“ ”to select working mode: photo or video.
2) Touch the Photo icon“ ”take photo or touch the video icon“ ” to video.
“ ”to
MODE
Attention:
1) When video recording, it is not possible to switch the Auto mode and Manual mode; in the Auto mode,the
exposure compensation(EV) can be adjusted only; in the Manual mode, the sensitivity(ISO)value and the
exposure compensation(EV) can be adjusted, and the shutter speed(Expose)value cannot be adjusted.
2) In Manual mode, when the shutter speed(Expose)value and the sensitivity(ISO)value are increased in dark
scenes, the image screen becomes brighter. If the camera lens is facing a brighter light, the screen is often
burst, you need to adjust the shutter speed(Expose) value or the sensitivity(ISO) value to readjust the image
brightness; when the picture is manually adjusted in a brighter scene, when the camera lens is aimed at a
darker place, the shutter value speed(Expose) or the sensitivity(ISO) value must be adjusted manually to
adjust the picture.
3) The factory default is stored in the Micro SD card, and the video can also be stored on the remote control
(change the path: in the APP main interface → → → Video location→local).
The down-view optical flow positioning system uses optical flow sensors to detect the ground below the aircraft to
determine the current height of the aircraft (the height can only be set if the flight height is less than 3 meters).
Infrared fixed
height
Optical flow
positioning lens
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Hover state in automatic mode: Obstacles can be avoided in front.
Flight status in automatic mode: Obstacle avoidance ahead.
Forward infrared
obstacle avoidance
1)Manual Landing, AUTO Landing or Return to Home function landing, lock the motor after landing on the ground.
2)Turn off the power of the aircraft first (you need to open the battery compartment cover to turn off the power switch),
and then turn off the power of the remote control.
3)Finally, remove the battery from the aircraft.
13.0 End flight
14.0 Additional remarks
14.2 Infrared Obstacle Avoidance System
14.1 Lower Optical Flow Positioning System
The infrared obstacle avoidance system on the aircraft utilizes infrared sensors to detect nearby obstacles and
therefore automatically help the aircraft avoid obstacles.
Obstacle avoidance is only possible in the hover and flight states in automatic mode.
Auto avoidance
Less than 3m
Less than 3m
Stop advance
Upgrade port
Charge Port
15V 4A
Gimbal UP
L
Long press this button to
enter the stick/thumbwheel calibration
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14.3 Compass Calibration
The compass calibration steps are as follows:
In case of failure to calibrate, please follow above procedure to repeat calibration.
Place right/left sticks at lowest location,
toggle them inward and keep for 5 seconds
until the aircraft’s red LED lights flash quickly .
Keep for 5 seconds
Ground
Keeping the aircraft on the same
horizontal and rotate 720° along the
vertical axis, then placing the aircraft
on the horizontal ground.
Turn the aircraft's nose up and the
aircraft rotates 720° along the vertical
axis.
2)Click on “Stick Mode” to enter the stick mode option
and select the mode you want.
1 Click the “ ” icon on the APP interface, then click
“ ” to enter the remote controlLER settings interface.
14.4 Stick Mode Switch & Stick Calibration
Factory setting of remote controller stick mode & stick calibration has been determined;
please refer to the following operation method for switching and calibration.
Be sure to switch off the aircraft power or lock motor before operation.
Long press " " button for 3 to 5 seconds, four lights flash
alternately to enter stick / thumbwheel calibration.
Operate the stick /thumbwheel several times within mechanical
tuning range and then back in the middle.
Long press the " " button for 3 to 5 seconds again,
four indicator lights turn on, then exit stick /thumbwheel calibration.
When you exit if vibrate alert, then the calibration fails,
please recalibrate.
If there is circles or drift in flying, please calibrate the compass.(the motor must be locked)
Please calibration outdoors and far away from strong electromagnetic interference.
Stick Mode Switch
Stick / thumbwheel calibration
Heading
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15.0 Flight Battery Safety Guidelines
15.1 Battery Use
1) DO NOT allow the batteries to come into any kind of liquid. DO NOT leave batteries out in the rain or near a
source of moisture. DO NOT drop the battery into water. If the inside of the battery comes into water, chemical
decomposition may occur, potentially resulting in the battery catching on fire, and may even lead to an explosion.
2) Never use non-walkera batteries. Go to www. walkera.com to purchase new batteries. Walkera takes no
responsibility for any damage caused by non-walkera batteries.
3) Never use or charge swollen, leaky, or damaged batteries. If your batteries are abnormal,contact Walkera or a
walkera authorized dealer for further assistance.
4) Never install or remove the battery from the aircraft when it is turned on. DO NOT insert or remove batteries if
the plastic cover has been torn or compromised in any way.
5) The battery should be used in temperatures from 0 to 40 . Use of the battery in environments above 50
can lead to a fire or explosion. Use of battery below 0 the life cycle of battery will be damaged.
6) DO NOT use the battery in strong electrostatic or electromagnetic environments. Otherwise,the battery control
board may malfunction and cause a serious accident during flight.
7) Never disassemble or pierce the battery in any way or the battery may leak, catch fire, or explode.
8) Electrolytes in the battery is highly corrosive. If any electrolytes contacts with your skin or eyes, wash the affected
area with fresh running water at least 15 minutes, and then see a doctor immediately.
9) DO NOT use the battery if it was involved in a crash or heavy impact.
10) If the battery falls into water with the aircraft during flight, take it out immediately and put it in a safe and open
area. Maintain a safe distance from the battery until it is completely dry. Never use the battery again and
dispose it properly.
11) DO NOT put batteries in a microwave oven or in a pressurized container.
12) DO NOT place loose battery cells on any conductive surface, such as a metal table.
13) DO NOT put the loose cells in a pocket, bag or drawer where they may short-circuit against other items or
where the battery terminals could be pressed against each other.
14) DO NOT drop or strike batteries. DO NOT place heavy objects on the batteries or charger. Avoid dropping batteries.
15) Clean battery terminals with a clean, dry cloth.
Store Intelligent Flight Batteries in a ventilated location.
To avoid fire, serious injury, and property damage, observe the following safety guidelines when using,
charging, or storing your batteries.
15.2 Battery Storage
1) Do not expose the battery to sources such as open flames or heaters.
2) Keep the battery out of the reach of children.
3) Make sure the battery is stored at room temperature: around 25 degrees Celsius.
4) For batteries that are not used for a long time, please save the voltage between 22.2V and 22.8V.
5) When not in use for a long time, check the battery storage status every two weeks for abnormality. Charge and
discharge activation every two months to maintain battery stability.
Manufacturer: Guangzhou Walkera Technology Co.,Ltd.
Add: No.48 Wantai Rd, Taishi Industrial Park, Dongchong Town,
Nansha Dist, Guangzhou, China.511453
Hotline:+86 20-84915115
This manual is subject to update without prior written notice. Please refer to Walkera official website for latest version.
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Walkera F420 User manual
- Type
- User manual
- This manual is also suitable for
Walkera F420 is a powerful and versatile drone that is perfect for both beginners and experienced pilots. With its advanced features, such as Optical Flow Positioning System and Infrared Obstacle Avoidance System, the F420 can fly smoothly and safely even in complex environments. The F420 also comes with a high-quality camera that can capture stunning aerial footage. Whether you are looking to capture beautiful photos and videos or simply want to enjoy the thrill of flying, the F420 is the perfect drone for you.
Here are some of the key features of the Walkera F420:
- Optical Flow Positioning System: This system uses a camera to track the ground below the drone, which allows the drone to hover accurately even in windy conditions.
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