GDU MEGAPHONE User manual
USER MANUAL
V1.0
MEGAPHONE
If you have any questions about this document , please contact
GDU after-sales center (+86 400-040-0266).
www.gdu-tech.com
Copyright ©2020 GDU-Tech Co., Ltd All Rights Reserved.
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Thank you for using the products. To guarantee a quality user
experience and your legal rights and safety, please carefully read this
statement before using the product. Please adhere to the user guide
while using the product. Improper use may cause harm to yourself
and others or damage the product or other objects. Once you use
the product, it means you have read and accepted the contents of
this statement. GDU-Tech Co., Ltd is not responsible for any damage
caused by improper use (including but not limited to: changing the
product structure, dismantling the product, causing a short circuit,
over heating, damage, etc.)
The product consists of a high power speaker and a HD camera.
It observes its surroundings by the first person view camera. The
user can watch the real-time image on a mobile device, and relay
instructions through the hand-held device, fire alarm sound, and
real-time voice intercom. It is applicable for event security and group
events.
1) Please install the stands on
the aircraft.
2) Please insert the Micro SD
card.
Click!
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Before mounting the megaphone, please turn o aircraft power.
Do not move the aircraft when the gimbal is running self diagnostics.
Please insert/remove the SD card when the aircraft power is o.
When using the megaphone, the antenna must be bent, as shown above.
3) Please insert the buckle on
the front of the megaphone into
the fastening plate.
①
②
Click!
Taking the remote control as an example, the rst person view camera
is used to take pictures and video through the camera button and the
video button; the right dial controls the megaphone pitch, which is
convenient for adjusting the camera shooting angle range.
-90°
0°
4) Please pull back the latch to
secure the megaphone.
The megaphone speaker is controlled together with the first person
view camera. The pitch is -90o to 0o, and the sound is effectively
transmitted to 300m.
1
2
5
6
7
3
4
1. Gimbal Reset Button
2. Record Buttion
3. Gimbal Pitch Dial
4. Customizable Button C2
5. Flight Mode Switch
6. Shutter Button
7. Customizable Button C1
App requires systems with iOS8.0 or above or Android 5.0 or above.
Please scan the QR code below to install the App .Use this product
through the App.
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Press “start” to enter camera interface.
Use the USB cable to connect the controller to your mobile device.
Turn on the controller and aircraft and start the App.
Run the App and enter the main menu. When the connection is
normal, the interface will show the start up screen.
①
Display current pan/tilt angle.
②
Click to switch between current picture taking/video recording
mode.
③
/ Display current functions: picture taking/video recording.
④
Click to control gimbal pitch
Press the settings icon in the top right corner. You can choose
between America, China and Japan in the settings interface.
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1. When in use, pull out the antenna of the handheld speaker
2. Hand-held microphone comes with 3 kinds of sounds (police
alarm, re alarm, car horn).
3. During flight, you can use hand-held microphone to relay
instructions.
•Check if the structural limiter of each axis is working. If there are any
abnormalities, please contact after-sales services.
•If the megaphone is broken or the sound is not working normally,
please check the megaphone and aircraft connection to see if there
are any loose connections.
• People under the age of 18 are not allowed to use this product.
• Do not place the product within the reach range of children.
• When using this product together with GDU aircrafts, please strictly
follow the ight and use safety instructions of GDU aircraft.
• Unauthorized disassembly or modification of the product is
prohibited.
• The decibel of the loudspeaker is high, please turn down the volume
before starting it.
• The product generates very high acoustic pressure, which can lead to
hearing damage on direct exposure. Therefore, please use the device
responsibly and do not point it directly at people or animals. Keep
sucient distance from people and animals when operating the device
and do not operate it within small rooms.
• If you have questions which remain unanswered by these operating
instructions, contact our technical support service or other technical
personnel.
• DO NOT allow the batteries directly contact with any kind of liquid.
DO NOT leave batteries out in the rain or drop into water. Chemical
decomposition, such as fire and explosion, may occur when the
The App interface and functions will be continuously updated. Specic details
are dependent on the latest version.
Please adjust the volume according to the usage distance.
The photos and videos are stored on the SD card. You can access the
les through a card reader.
• Check if there distortions, cracks, blockages, or dirt on the contact
surfaces between the megaphone and aircraft.
• Check if the wiring is complete. If there are breaks or wear and tear,
please contact after-sales services.
• Check the condition of the megaphone. If it is dirty, please use the
specialized cleaning kit. Do not use any solvents or corrosive solutions.
• When not using the megaphone, please store it in the original box.
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battery comes into contact with water.
• Never use non-GDU batteries. If you need to replace the battery, go
to www.gdu-tech.com or contact other authorized dealers to purchase
a new one. GDU takes no responsibility for any damages caused by
non-GDU batteries.
• Never use swollen, leaky, overheating batteries; if your batteries
are abnormal, please contact GDU or other authorized dealers for
technical support.
• Make sure the battery is used in a temperature range of 0℃ ~40℃ ,
high temperatures tend to result in re or possible exploding of the
battery, while low temperatures will seriously affect the life of the
battery and ight time.
• Never install or remove the battery from the megaphone when it is
turned on.
• DO NOT use the battery in strong electrostatic or electromagnetic
environments. Otherwise, the battery control board may malfunction
and cause a serious accident during operation.
• DO NOT disassemble, crush, strike, impale the battery, in case of
overheat and re.
• DO NOT clean the battery with Benzene hydrocarbon, banana oil,
and other organic solvents.
• DO NOT leave the battery near heat sources.
• DO NOT mistakenly use wires or other metal objects to short circuit
the battery.
• DO NOT apply force to the battery or drop it.
• If the battery falls accidentally, make sure there is no damage or
leakage before using again.
• DO NOT put out the battery re with water. Solid re extinguishing
equipment, such as sand, powder, carbon dioxide extinguisher are
suggested to use in re extinction.
• Electrolytes in the battery are highly corrosive. If any electrolytes
make contact with your skin or eyes, immediately wash the aected
area with plenty of clean water, see a doctor after symptom relief.
Make sure there is somebody on duty during charging process and
that no combustible material is around.
• Disconnect the charger when the charging is completed or not in
use.
• Do not charge the battery in super-high or low temperature, to
prevent it from damage. The ideal charging temperature is 5℃ ~37℃ .
• Please maintain the battery once a month.
• Always use the GDU approved adapter. GDU takes no responsibility if
the battery is charged with a non-GDU charger.
• Keep the battery stored in a dry and shady environment, avoid water
erosion and insolation. The ideal storage temperature is 25±5℃ .
• Discharge the battery level to half before long-term storage.
• The battery in long-term storage should be checked and charged
every two months.
• Keep the battery away from metal objects such as keys, screwdrivers,
and cellphones.
• Stored for more than a month, the battery needs to be charged
before using again.
• Keep the battery out of children’s reach, if it is swallowed up
accidentally, go to a doctor immediately.
• Check whether there is abnormal deformation, such as breakage or
liquid leakage, before transportation.
• Batteries are dangerous chemicals, for your own safety and others’,
discharge the battery level to less than 25% before shipping or
carrying it on an airline ight.
• Batteries are dangerous chemicals, which contain heavy metal
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Technical Data
Eective range 300m
Megaphone power 100w
Sound range 55-60 decibels 100 meters away, 120
decibels maximum.
Sound transfer range 5km
Camera specications
Sensor: 1/2.7 inch CMOS
Field of view: horizontal: 94° vertical: 48.8°
Photo and video resolution: 1920×1080
Angle control Pitch: -90°～ 0°
Sound notications Police alarm, fire alarm, car horn, real-
time voice intercom
Dimensions 99mm×187mm×114mm
Weight Approximately 582g
Appropriate environment Operating temperature: -20℃～ 50℃
Storage temperature: -40℃～ 60℃
Operating humidity: 15% ～ 90％ RH (no
condensation)
elements that are harmful to human body and environment. Please
dispose the battery in a special recycling bin after being discharged
completely.
• Do not abandon the battery that discharged incompletely, it’s still
dangerous. Please contact GDU or a professional battery recycling
agent for further assistance.
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