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6.5  Alarm for battery power

This receiver provides an alarm for the battery power level. You can observe the color of the LED 

indicator on the transmitter to learn about the battery power level in real time. When the battery 

power level is too low, you need to charge in time.
•  When the battery power level is high, the color of the LED indicator is green, and the LED 

indicator  is always on.
•  When the battery power level is medium, the color of the LED indicator is orange, and the LED 

indicator  is always on.
•  When the battery power level is low, the color of the LED indicator is red, and the LED indicator  

is always on.

•  When the battery power level is ultra-low, the color of the LED indicator is red, and the LED 

indicator  is in flashing slowly state.

Notes

: (1) When the battery power level is ultra-low, the throttle of the model car has no output, 

but the direction can be controlled.
           (2) When the battery power level is not ultra-low, the model car can be controlled normally.

6.6  Car light control

The car light control is mainly implement the changeover of lighting states and lighting modes by 

setting the transimitter.

1. Car light control

The left and right turn signal lights of the model car are controlled through rotating the hand wheel 

of the transmitter, while the headlight control is done by toggling the CH3 key on the transmitter.

•  When the hand wheel is rotated clockwise or counterclockwise, i.e. when the model car is 

turned to the left or right, the turn signal light is in a slow flashing  state.

•  When the CH3 key on the transmitter is located at the leftmost end, the headlight is off. When 

the CH3 key is located at the middle position, the headlight is on. When the CH3 key is located at 

the rightmost end, the headlight is in a fast flashing state.

2. Modes of the car light control

Press CH4 button on the transmitter to switch the working mode of the car light control. One mode 

is switched while you press the CH4 button once. That is, turn signal light mode, emergency light 

mode, sharp flash mode and off mode are switched in turn.
•  Turn signal light mode: In this mode, the turn signal light is in a slow flashing state when the 

model car turns. The turn signal lights are always off when the model car doesn't turn.
•  Emergency light mode: In this mode, the turn signal lights are in a synchronous and slow 

flashing state regardless of whether the model car turns or not.
•  Sharp flash mode: In this mode, the turn signal lights are in a synchronous and fast flashing 

state regardless of whether the model car turns or not.
•  Off mode: In this mode, the turn signal lights are always off regardless of whether the model car 

turns or not.

Note: 

Every time the receiver is turned on, the mode of the car light control is in turn signal light 

mode.

6.7  Failsafe

This function is used to protect the safety of the model and the operator when the receiver cannot 

normally receive the signal from the transmitter and is out of control. The receiver defaults that 

the throttle channel is fixed to be out of control and enters the brake state. After other channels  

are out of control, the receiver has no signal output. If you set it on the transmitter, it will output 

according to the set value.

Summary of Contents for FS-VK-G4A

Page 1: ...FS VK G4P VK R4A Copyright 2021 Flysky Technology co ltd USER MANUAL Digital Proportional Radio Control System...

Page 2: ...sers In order to ensure your safety and the safety of others read this manual carefully before using this product If you encounter any problem during use refer to this manual first If the problem pers...

Page 3: ...witching 9 5 6 Failsafe 9 5 7 Beginner Mode 10 6 VK R4A Receiver Function Instructions 11 6 1 Attentions 11 6 2 Use Guidance 11 6 3 Instruction on the binding of the receiver 12 6 4 Protection Functio...

Page 4: ...y of you and others do not operate in the following places Near any site where other radio control activity may occur Near power lines or communication broadcasting antennas Near people or roads On an...

Page 5: ...FS VK G4P VK R4A Digital Proportional Radio Control System 2 2 Introduction 2 1 Transmitter Overview 2 3 4 5 7 8 9 11 12 13 14 6 1 10...

Page 6: ...R 4 Status indicator green LED G LED 13 Power switch 5 Two colors LED battery power level display Car battery 14 Base 4 AA battery compartment 6 Lanyard hole 15 Three position switch CH3 7 Bind butto...

Page 7: ...CH3 10 Antenna 3 CH4 11 LED 4 Headlight interface 12 Motor interface M 5 Left turn signal light interface 13 Motor interface M 6 Right turn signal light interface 14 Battery cable interface 7 Power c...

Page 8: ...ts Danger Do not expose to excessive heat or liquids Danger Do not drop the battery or expose to strong shocks or vibrations Danger Always store the battery in a cool dry place Danger Do not use the b...

Page 9: ...put the transmitter into binding state first then the receiver 4 1 Power On However if the receiver needs to be replaced or additional receivers bound follow these steps Note Operate with caution in o...

Page 10: ...ely counterclockwise When calibration is completed the R LED will be off Car Battery the D3 red keeps on 3 Trigger calibration Pull the trigger back then forward as far as it will go When calibration...

Page 11: ...is up it indicates reverse and the down indicates normal 5 3 Trims The ST TRIM is the trims for CH1 steering and can be multiplexed as Trims of CH3 and CH4 For multiplexing switching mode see 5 5 Mode...

Page 12: ...M and ST D R buttons for different channels see 5 3 Trims 5 4 D R Function setting Under normal power on quickly press the Bind button twice within 1 Sec to cycle through modes 1 2 3 and 4 The default...

Page 13: ...annel range defaults to 1250 1500 1750us Setup To switch between beginner and normal modes first press and hold the channel 4 button and Turn the handwheel to the bottom counterclockwise then turn on...

Page 14: ...all the time even if it is off It will discharge completely if connect the battery for a long time thus resulting in the failure of the battery or the ESC We are not responsible for any damage caused...

Page 15: ...Low voltage protection The low voltage protection value is 6 3V When the ESC detects that the battery voltage reaches the low voltage protection value for 2 seconds the output power of ESC will be hal...

Page 16: ...flashing state When the CH3 key on the transmitter is located at the leftmost end the headlight is off When the CH3 key is located at the middle position the headlight is on When the CH3 key is locate...

Page 17: ...rature Range 10 60 Humidity Range 20 95 Online Update No Color Black Size 160 193 97mm Weight 220g Certification CE FCC ID N4ZG4P00 7 2 Receiver Specifications VK R4A Product Model VK R4A Applicable m...

Page 18: ...everse 1 The connection sequence between output line of ESC and motor line 2 The throttle direction of radio is wrongly set 1 Exchange the position of two lines of motor 2 Set throttle direction of ra...

Page 19: ...FS VK G4P VK R4A Digital Proportional Radio Control System 16 9 Package Contents Transmitter 1 FS VK G4P Receiver 1 VK R4A...

Page 20: ...llowing two conditions 1 This device may not cause harmful interference 2 This device must accept any interference received including interference that may cause undesired operation Caution The manufa...

Page 21: ...the communal collecting point via private persons is for free The owner of old appliances is responsible to bring the appliances to these collecting points or to similar collection points With this l...

Page 22: ...Copyright 2021 Flysky Technology co ltd www flysky cn com Release date 2021 06 15 FCC ID N4ZG4P00 FCC ID N4ZVKR4A00...

Page 23: ...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 inte...

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