Serenelife logoSerenelife SLRD42WIFI Drone Copter User Manual

Serenelife SLRD42WIFI Drone Copter

Important Statement

Thank you for buying UDIRC’s product. People who are 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 that is integrated with professional knowledge of mechanics, electronics, 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 purposes and agree to obey the above rules and local laws and regulations. We undertake no liability for those accidents caused by the environment, illegal behavior, improper operation, and refitting of the drone after the sale of the product. We have entrusted the distributor to provide technical support and after-sales service. If you have any questions about use, operation, repair, etc., please contact the local distributor.

  • Please only use the attached spare parts or purchase original UDIRC accessories for replacement, or if lead to an 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

This drone is suitable for experienced RC drone users aged 14 years or above. This product contains small parts, please put it out of the child’s reach.

Flying Area
The flying field must be legally approved by your local government. Do not fly the drone near the airport. Keep far away from the airport more than 5km when flying a RC drone. The flying field must be spacious enough and we suggest at least 8M (length)*8M (width)*5M (height).

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 may cause unpredictable accidents such as drone damage or human injury. Please pay special attention to safety operations and have good knowledge of accident responsibility that the user may cause.

Keep away from obstacles and crowd
The speed and status of a flying RC drone are uncertain and it may cause potential danger. So the user must keep away from crowds, tall buildings, power lines, etc. when operating a flying RC drone. Do not fly an RC drone in rainy, stormy, thunder, and lightning weather for the safety of users, around people, and their property.

Charging Instruction for Drone Battery

  1. Connect the drone battery with a USB cable first and then choose one of the methods as the below picture shows to connect with a USB plug.
  2. The red USB indicator light keeps bright when charging. And the light turns green when fully charged.

Serenelife SLRD42WIFI Drone Copter fig 1

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 is in the middle position.
  3. Please strictly obey the order to 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 orders may cause the drone out of control and threaten people’s safety. Please cultivate a correct habit of turning on and turning off.
  4. Make sure the connection is solid between the battery and motor etc. The ongoing vibration may cause a bad connection of the power terminal making the drone out of control.
  5. Improper operation may cause a drone crash, which may arouse motor defective and noise, and then affect 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.

Instruction for Drone and Transmitter Drone

Serenelife SLRD42WIFI Drone Copter fig 2 Serenelife SLRD42WIFI Drone Copter fig 3

Specification

Drone Size 334x334x127mm Charging Time for Drone Battery 180mins
Drone Weight 248g Max Flying Distance/Radius 150m
Propeller Diameter 147mm Max Image Transmission Distance/Radius 50m
Flying Time 13~15mins Camera Resolution 1280x720P
Drone Battery 3.7Vx2 1000mAh Main Motor 1020×4
Transmitter Battery 4xAA Alkaline Batteries Frequency 2.4Ghz

Exploded View

Serenelife SLRD42WIFI Drone Copter fig 4

No. Name No. Name No. Name
1 Drone Cover Housing 10 Lampshade 19 Switch
2 A propeller 11 B propeller 20 Receiver Board Holder
3 Upper Motor Cover A 12 Upper Motor Cover B 21 Power Board
4. Gear 13 Front LED Board (Green) 22 Camera Adapter Board
5 AL Main Shaft 14 Motor Holder 23 Battery Box
6 Bearing 15 C-Pb Square Tube 24 Battery Adapter Board
7 Rear LED Board (Red) 16 Landing Gear 25 Lower Drone Cover
 

8

A Motor(Black and White wire/White connector)  

17

 

B Motor (Red and blue wire/ Red connector)

 

26

 

Camera

9 Lower Motor Cover 18 Receiver Board

Transmitter

Serenelife SLRD42WIFI Drone Copter fig 5

Brief Introduction to Button Functions
Left Stick Move the Stick to forward / backward/left / right to fly the drone to up / down / turn left / turn right.
Right Stick Move the Stick to forward / backward/left / right to fly the drone to forward / backward / left / right.
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.
High / Medium/Low-Speed button Press down this button to switch to High /Medium/ Low Speed.
Trimmer mode Button Press down this button, and 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.

Flying Control

Notice:
Every time before the drone take off, move the Left Stick and Right Stick at the same time as in Picture 12 shown(45 degrees inward) to start the motors. Push up the Left Stick slowly to fly up the drone or press down one button to take off.

Serenelife SLRD42WIFI Drone Copter fig 6

Functions Introduction

Take off/ One button take off/Landing modesSerenelife SLRD42WIFI Drone Copter fig 7

  1. Method 1 (Take off): After frequency pairing is successful, push the Left Stick and Right Stick as Picture 12 shown to start the motor and then release. Then push up the Left Stick to fly up the drone to a certain altitude and then release the stick.
  2. Method 2 (One Button Take Off): After frequency pairing is successful or the motors are activated, press the Take Off / Landing / Emergency Stop Button (Picture 16), the drone will fly up automatically and keep flying at an altitude of 1.2 meters approximately.
Landing Methods
  1. Method 1 (Landing): When flying, push the Left Stick all the way down to the lowest position(Picture 13) and hold it till the motors stop and the drone will land on the ground slowly.
  2. Method 2 (One Button Landing): When flying, press the Take Off / Landing / Emergency Stop Button once shortly(picture 16), and the drone will land on the ground automatically. (When using this function, you can not touch the left stick, if not, then the function will fail).

Heading Hold Mode

Drones generally have a front and rear indicated by LED lights or colored propellers. By default, the users are required to tell the front and the rear of the drone when flying. Under heading hold mode, the users can operate the drone without worrying about the orientation (the left is left and the right is right all the time, regardless of where your drone is pointing at). Heading Hold Mode is designed for beginners and users who fly the drone in daylight or at a far distance or difficult to identify the drone orientation.

The default setting is NOT Heading Hold Mode. Heading Hold Mode You are allowed to activate the heading hold mode function before taking off or in flight. Fly under heading hold mode, you’re required to ensure the drone’s front direction is aligned with your front direction, DO NOT change the direction of your transmitter, and keep it flying in front of you all the time. (See the below picture)

 

Low Battery Alarm

When the transmitter is low battery, the transmitter will beep ” di…di…di…” to remind the user to land the drone to replace the batteries as soon as possible. Or the drone may be out of control. When the drone is low battery, the transmitter will beep” di.di.di…” constantly to remind the user to land the drone as soon as possible. The flip function will turn off automatically when the drone in low battery.

Serenelife SLRD42WIFI Drone Copter fig 8

Range Alarm
When the drone flying out of the max remote control distance, the transmitter will Beep“didi…didi…didi…” to alarm the user to fly back the drone immediately. Or the drone may be out of control and fly away.

Motors Stuck Protection

  1. When the propellers get stuck, then the drone LED will flash quickly and activate the stuck protection function and the motors stop running.
  2. Pull down the left stick to the lowest position, the drone LED will get a solid light and stuck protection will be released and the drone can fly again.

Troubleshooting Guide

No. Problem Problem Cause Solution
 

 

1

 

The transmitter indicator light is off

1. Low battery. 1. Replace the transmitter battery.
2. The battery positive pole and negative pole are in reverse order. 2. Install the battery in accordance with the user manual.
3. Poor Contact. 3. Clean the dirt between the battery and the battery slice.
 

 

 

2

 

 

Fail to pair the drone with transmitter

1. Indicator light is off. 1. The same as above 1.2.3.
2. There is interfering signal nearby. 2. Restart the drone and power on the transmitter.
3. Misoperation. 3. Operate the drone step by step in accordance with the user manual.
4. The electronic component is damaged for frequent crash. 4. To buy spare parts from local seller and replace damaged parts.
 

3

The drone is under- powered or can not fly. 1. The propeller deformed seriously. 1. Replace the propeller.
2. Low battery. 2. Recharge the drone battery.
3. Incorrect installation of propeller. 3. Install the propeller in accordance with the user manual.
 

 

4

The drone could not hover and tilts to one side. 1. The propeller deformed seriously. 1. Replace propeller.
2. The motor holder deformed. 2. Replace the motor holder.
 

3. The gyro did not reset after violent crash.

3. Put the drone on the flat ground for about 10s or restart the drone to calibrate again.
4. The motor is damaged. 4. Replace motor.
 

 

5

 
The drone indicator light is off.
1. Low battery. 1. Recharge the drone battery.
2. The battery is expired or over discharge protection. 2. Buy a new battery from local seller to replace the battery.
3. Poor contact. 3. Disconnect the battery and then connect it with the plug again.
 

 

6

 

Could not see the picture.

1. Did not connect the wire of camera box or poor contact. 1. Check the wire and connect well.
2. There is an interfering signal nearby. 2. Cut off the wire and re-connect.
3. Damaged camera. 3. Buy a new camera box from local seller to replace.
 

7

Hard to control by cellphone.  

1. Not experienced enough.

1. Practice and read the cellphone controlling instruction carefully.
 

8

Double image when using VR  

1. Lens focal length is not correct.

 

1. If there is a double image, move the lens to the proper position till the image is clear.

FCC Note

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

  • Reorient or relocate the receiving antenna.
  • Increase the separation between the equipment and the receiver.
  • Connect the equipment to an outlet on a circuit different from that to which the receiver is connected.

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Serenelife SLRD42WIFI Drone Copter pdf

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