FS I6S USER MANUAL

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FS-l6S

USER MANUAL

Digital Proportional Radio

Control System

FCC ID:N4ZFLYSKYI6S

Thank you for purchasing our product, an ideal radio system for beginners or

experienced users alike.

Read this manual carefully before operation in order to ensure your safety, and

the safety of others or the safe operation of your system.

If you encounter any problem during use, refer to this manual first. If the problem

persists, contact your local dealer or visit our service and support website for help:

www.flysky-cn.com

Contents

1. Safety..................................................................................................................................1

1.1 Safety Symbols ........................................................................................................................................................................1

1.2 Safety Guide..............................................................................................................................................................................1

2. Introduction.......................................................................................................................2

2.1 System Features.......................................................................................................................................................................2

2.2 Transmitter Overview .......................................................................................................................................................................3

2.2.1 Transmitter Antenna ...................................................................................................................................................................4

2.2.2 Stick/Knob/Switch/Key...............................................................................................................................................................4

2.2.3 Status Indicator..............................................................................................................................................................................4

2.2.4 USB Simulator Mode...................................................................................................................................................................5

2.2.5 PS/2 Port .........................................................................................................................................................................................5

2.3 Receiver Overview ...................................................................................................................................................................5

2.3.1 Receiver Antenna..........................................................................................................................................................................5

2.3.2 Status Indicator..............................................................................................................................................................................5

2.3.3 Connectors ....................................................................................................................................................................................5

3. Getting Started ...............................................................................................................6

3.1 Transmitter Battery Installation.....................................................................................................................................................6

3.2 Connecting the Receiver and Servos .........................................................................................................................................6

4. Operation Instructions.....................................................................................................7

4.1 Power On....................................................................................................................................................................................7

4.2 Binding........................................................................................................................................................................................7

4.3 Pre-use Check...........................................................................................................................................................................7

4.4 Power Off....................................................................................................................................................................................8

5. System Interface...............................................................................................................9

5.1 Home Screen.............................................................................................................................................................................9

5.2 Timers.....................................................................................................................................................................................................9

5.3 Fly Mode..................................................................................................................................................................................10

5.4 TX/RX Battery ........................................................................................................................................................................11

5.5 Display Servos........................................................................................................................................................................11

5.6 Display Sensors......................................................................................................................................................................11

6. Function Settings............................................................................................................12

6.1 Reverse ....................................................................................................................................................................................12

6.2 End Points ...............................................................................................................................................................................12

6.3 Subtrim ....................................................................................................................................................................................12

6.4 Trims .........................................................................................................................................................................................13

6.5 Rate/Exp. .................................................................................................................................................................................13

6.6 Throt Curve ............................................................................................................................................................................13

6.7 Aux. Channels ........................................................................................................................................................................14

6.8 Mix ............................................................................................................................................................................................14

6.9 Failsafe......................................................................................................................................................................................14

7. System Settings...............................................................................................................15

7.1 RX Bind ....................................................................................................................................................................................15

7.2 Models .....................................................................................................................................................................................15

7.3 Output Mode .........................................................................................................................................................................15

7.4 Sticks Mode ............................................................................................................................................................................15

7.5 Throt Mode ............................................................................................................................................................................16

7.6 Sticks Adjust ...........................................................................................................................................................................16

7.7 Bri./Sound ...............................................................................................................................................................................16

7.8 Factory Reset .........................................................................................................................................................................16

7.9 Firmware Update ..................................................................................................................................................................17

7.10 About FS-i6S .......................................................................................................................................................................17

8. DIY Customization..........................................................................................................18

8.1 Throt Bracket Installation...................................................................................................................................................18

8.2 Throt Spring Installation.....................................................................................................................................................19

8.3 Swapping Gimbals................................................................................................................................................................20

8.4 Knob Bracket Installation...................................................................................................................................................21

8.5 Knob Spring Installation.....................................................................................................................................................22

8.6 Device Holder.........................................................................................................................................................................23

9. Product Specifications...................................................................................................25

9.1 Transmitter Specifications （FS-i6S） ...............................................................................................................................25

9.2 Receiver Specifications （FS-iA6B) ..................................................................................................................................25

10. Package Contents.........................................................................................................26

Appendix 1 FCC Statement .....................................................................................27

• Misuse of this product may lead to serious injury or death. To ensure the safety of

you and your equipment, read this manual and follow the instructions.

• Make sure the product is properly installed in your model. Failure to do so may

result in serious injury.

• Make sure to disconnect the receiver battery before turning off the transmitter.

Failure to do so may lead to unintended operation and cause an accident.

• Ensure that all motors operate in the correct direction. If not, adjust the direction

first.

• Make sure the model flies within a certain distance. Otherwise, it would cause loss of

control.

• Do not use the product at night or in bad weather like rain or thunderstorm. It can

cause erratic operation or loss of control.

• Do not use the product when visibility is limited.

• Do not use the product on rain or snow days. Any exposure to moisture (water or

snow) may cause erratic operation or loss of control.

• Interference may cause loss of control. To ensure the safety 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 any body of water when passenger boats are present

• Do not use this product when you are tired, uncomfortable, or under the influence

of alcohol or drugs. Doing so may cause serious injury to yourself or others.

• The 2.4GHz radio band is limited to line of sight. Always keep your model in sight as

a large object can block the RF signal and lead to loss of control.

• Never grip the transmitter antenna during operation. It significantly degrades signal

quality and strength and may cause loss of control.

• Do not touch any part of the model that may generate heat during operation, or

immediately after use. The engine, motor or speed control, may be very hot and can

cause serious burns.

Prohibited Mandatory

1. Safety

1.1 Safety Symbols

Pay close attention to the following symbols and their meanings. Failure to follow these warnings could cause

damage, injury or death.

1.2 Safety Guide

Warning • Not following these instructions may lead to major injuries.

Danger • Not following these instructions may lead to serious injuries or death.

Attention • Not following these instructions may lead to minor injuries.

Digital Proportional Radio Control System

FS-l6S

2. Introduction

The FS-i6S transmitter and iA6B receiver constitute a 6 channel 2.4GHz AFHDS 2A digital proportional

computerized R/C system. This system supports quadcopter.

2.1 System Features

The AFHDS 2A (Automatic Frequency Hopping Digital System Second Generation) developed and patented

by FLYSKY is specially developed for all radio control models. Offering superior protection against interference

while maintaining lower power consumption and high reliable receiver sensitivity, FLYSKY's AFHDS technology

is considered to be one of the leaders in the RC market today.

Bidirectional Communication

Capable of sending and receiving data, each transmitter is capable of receiving data from

temperature, altitude and many other types of sensors, servo calibration and i-BUS Support.

Multi-channel Hopping Frequency

This systems bandwidth ranges from 2.4055GHz to 2.475GHz. This band is divided in 140

channels. Each transmitter hops between 16 channels (32 for Japanese and Korean versions) in

order to reduce interference from other transmitters.

Omni-directional Gain Antenna

The high efficiency Omni-directional high gain antenna cuts down on interference, while using

less power and maintaining a strong reliable connection.

Unique ID Recognition System

Each transmitter and receiver has it's own unique ID. Once the transmitter and receiver have

been paired, they will only communicate with each other, preventing other systems accidentally

connecting to or interfering with the systems operation.

Low Power Consumption

The system is built using highly sensitive low power consumption components, maintaining

high receiver sensitivity, while consuming as little as one tenth the power of a standard FM

system, dramatically extending battery life.

2.2 Transmitter Overview

VrA

Rudder/Aileron

Throttle/Elevotor

Power

Neck strap eye

SwA

SwB SwC

VrB

SwD

Device holder mounting point

Handle

Key 2

Battery cover

USB port

Rudder/Aileron

Throttle/Elevotor

Capacitive touch screen

Power

Key 1

PS/2 port

Digital Proportional Radio Control System

FS-l6S

2.2.1 Transmitter Antenna

Note • Never grip the transmitter antenna during operation. It significantly degrades the RF

signal quality and strength and may cause loss of control.

2.2.3 Status Indicator

The status indicator is used to indicate the power and working status of the transmitter.

• Off: The transmitter is powered off.

• Blue light: The transmitter is on and working.

2.2.5 PS/2 Port

This port enables PPM output.

2.2.2 Stick/Knob/Switch/Key

The FS-i6S has 2 sticks, 2 knobs, 4 switches and 2 keys.

• Stick: Used to control aileron, elevator, throttle and rudder, or controls aux. channels.

• Switch: Controls aux. channels or timer.

• Knob: Used to control aux. channels.

• Key: Used to control aux. channels or timers.

The FS-i6S transmitter has a built-in dual omnidirectional antenna.

2.2.4 USB Simulatior Function

The system can be connected via a USB cable to a computer for use as a HID device. This function is

automatically activated when connected to a computer and will be recognised as a standard HID controller.

Caution • If the computer does not recognise the transmitter unplug and reconnect the USB

cable.

Antenna

2.3 Receiver Overview

Caution • For best signal quality, ensure that the receiver is mounted away from motors or

metal parts.

2.3.3 Connectors

The connectors are used to connect the parts of model and the receiver.

• PPM/CH1: Connection of CH1 or PWM output signal.

• CH2 to CH6: Used to connect the servos, power or other parts.

• B/VCC: Used to connect the bind cable for binding, and the power cable during normal operation,in the

range of 4.0-8.4V.

• SERVO: For connecting an i-BUS receiver.

• SENS: For connecting sensors.

2.3.2 Status Indicator

The status indicator is used to indicate the power and working status of the receiver.

• Off: The power is not connected.

• Lit in red: The receiver is on and working.

• Flashing quickly: The receiver is binding.

• Flashing slowly: The bound transmitter is off or signal is lost.

2.3.1 Receiver Antenna

The FS-iA6B has a dual 26mm omnidirectional antenna.

Antenna

Bind/VCC

Ch2- 6

PPM/CH1

LED UPDATE

FS-IA6B

6 VER

2.4

GHz

4.0-8.4V/DC

FC C ID:N4ZFLYSKYIA10

CHANNEL

Status indicator

RECEI

Digital Proportional Radio Control System

FS-l6S

3. Getting Started

Before operation, install the battery and connect the system as instructed below.

3.1 Transmitter Battery Installation

Danger • Only use specified battery (X4 AA batteries).

Danger • Do not open, disassemble, or attempt to repair the battery.

Danger • Do not crush/puncture the battery, or short the external contacts.

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 battery if damaged.

Follow the steps to install the transmitter battery:

1. Open the battery compartment.

2. Insert 4 fully-charged AA batteries into the compartment. Make sure that the battery makes good contact

with the battery compartment's contacts.

3. Replace the battery compartment cover.

3.2 Connecting the Receiver and Servos

Connect the receiver and the servos as indicated below:

LED UPDA TE

FS-IA6B

6 VER

2.4

GHz

4.0-8.4V/DC

FCC ID:N4ZFLYSKYIA10

Rudder servo

Throttle servo

Elevator servo

Aileron servo

CHANNEL

CH1

CH2

CH3

CH4

CH5

CH6

B/Vcc

Switch (Optional)

Battery

RECEI

4. Operation Instructions

After setting up, follow the instructions below to operate the system.

4.1 Power On

Follow the steps below to turn on the system:

1. Check the system and make sure that:

• The batteries are charged and installed properly.

• The receiver is off and correctly installed.

2. Hold the power buttons until screen lights up.

3. Connect the receiver power supply to the B/VCC port on the receiver.

Note • Operate with caution in order to avoid damage or injury.

Note • Make sure that the throttle is at its lowest position and the switches are set to their

up position.

4.2 Binding

The transmitter and receiver have been pre-bound before delivery.

1. Turn the transmitter on, press to select

[System], and scroll down and then select

[RX bind].

2. Connect the bind cable to the B/VCC port

of the receiver.

If you are using another transmitter or receiver, follow the steps below to bind the transmitter and receiver:

4.3 Pre-use Check

Before operation, perform the following steps to check the system:

1. Check to make sure that all servos and motors are working as expected.

2. Check operating distance: one person holds the transmitter, and another one moves the model away from

the transmitter. Check the model and mark the distance from where the model starts to lose control.

Danger • Stop operation if any abnormal activity is observed.

Danger • Make sure the model does not go out of range.

Attention • Sources of interference may affect signal quality.

RF standard Receiver type

AFHDS 2 iA10B,iA6B,iA6,iA4B,A6,A3

2.4G AFHDS 2A X6B,A8S

3. Connect the power to any other port. The indicator

will start to flash, indicating that the receiver is in bind

mode.

• After successfully binding the transmitter will

automatically exit this menu, then the receivers LED

will stop flashing indicating that binding has been

successful.

4. Remove the bind and power cable from the receiver.

Then connect the power cable to the B/VCC port.

5. Check the servos' operation. If anything does not work

as expected, restart this procedure from the beginning.

Digital Proportional Radio Control System

FS-l6S

4.4 Power Off

Danger • Make sure to disconnect the receiver power before turning off the transmitter.

Failure to do so may lead to damage or serious injury.

Follow the steps below to turn off the system:

1. Disconnect the receiver power.

2. Hold the transmitter's power buttons to turn off the transmitter.

5. System Interface

The system interface displays useful information about your model, including timers, fly mode and TX/RX

status.

5.1 Home Screen

The main interface displays model.

Fly Mode Status

+ Fly Mode Setup

Timers + Timer

TX/RX Battery

Status + Battery

Main Menu

Start page

Swipe to the right to display the

servo interface

Swipe to the left to display

the sensors

5.2 Timers

This function can set up to 2 timers at the same time.

Usually used to keep track of total flight time.

Setup：

To enter the timer function touch T1/T2 on the main screen. The system has 2 timers available, both can be

assigned to a switch and have 3 different settings.

Setup:

1. Select a mode.

• Up: The up timer starts from zero and counts up.

• Down: The down timer starts from a pre selected time and counts down.

• D/U(Down then up): The D/U timer starts from down to 0 from a preset time, then starts counting up

again.

2. If necessary set a pre defined time by selecting the [Setup] option. Select the correct decimal and use the

onscreen arrow keys to change the value.

Digital Proportional Radio Control System

FS-l6S

3. Touch [Switch] to enter the switch selection sub menu. If no switch is selected you can press [Start] to start

the time and [Stop] to stop it.

5.3 Fly Mode

Setup:

This mode can store settings that can be recalled by

toggling a switch.

There are several options available:

A: Stores the channel used by the flight controller.

1. Touch the box to the right of the desired

channel.

2. Select the correct decimal and use the up and

down arrow keys.

B: Stores the first selected activation switch.

C: Stores the second selected activation switch.

D: This number represents the currently selected

mode. The name beside the mode number can

be changed.

Touch the box, use the onscreen keyboard to enter

a new name.

The fly mode function can store up to 9 different fly modes which can activated using a switch.

Different fly modes are assigned using combinations of switches. A 2-way switch will enable you to switch

between modes 1 and 2,two 2-way switches will enable you to 4 fly modes, two 3-way switches will allow you

to switch between all 9 fly modes. Use the table below to see which positions are assigned to each mode.

SwB Position SwC Position Mode

Up Up 1

Up Middle 2

Up Down 3

Middle Down 4

Middle Middle 5

Middle Up 6

Down Up 7

Down Middle 8

Down Down 9

E: Changes the output for each mode.

1. Touch the box to the right of the desired

channel.

2. Select the correct decimal and use the up and

down arrow keys.

5.5 Display Servos

This function displays channel position in real time.

All changes to channel's functions will be displayed here also.

Setup:

1. Turn on the transmitter and swipe right on the screen.

2. To scroll swipe up and down on the screen.

• Hold your finger on the screen to activate the channel sweep function. The system will ask if you are sure,

make sure that all motors are disconnected in order to prevent damage to the model or harming others.

3. To disable the channel sweep function touch or swipe the screen to the left or right.

5.6 Display Sensors

This function displays all connected sensor names, type, number in real-time.

[Name] Sensor name/type.

[ID] The system gives each sensor connected to the receiver an ID starting from 0 (Transmitter Voltage), so the

first sensor attached to the receiver will have an ID of 1.

[Value] Displays the sensor output.

All data in this list is displayed in real time, when a sensor is connected or disconnected the system will update

the list.

5.4 TX/RX Battery

This function sets up the receiver and transmitter low battery alarm.

Setup:

1. Click on the TX/RX voltage icon to enter its sub-menu.

2. To edit each setting touch its box and use the on-screen arrows to

change the value.

• The alarm voltage is limited by the set low and high voltage

settings. For example if the high voltage is set to 6V and the low

4V then the alarm must be set between 4.1V and 5.9V.

• When the voltage drops below the alarm voltage the system will

alert the user via an audio alarm and an on-screen warning.

Digital Proportional Radio Control System

FS-l6S

6. function Settings

This section details functions and their use.

6.1 Reverse

The reverse function changes a channels direction of movement in relation to its input. For example, if the

blades are spinning in the wrong direction, pushing the model into the ground instead of taking off, this

function can be used to correct this.

6.2 End Points

The end points function changes the range of movement available to a channel. This can be used to limit the

tilt of the model, so that it is easier to control.

The left box is the low end points, the right box is the high end points, marked below as low being blue and

red being high.

Setup:

To change between normal and reverse touch the box to the right

side of the desired channel.

Nor = Normal, Rev = Reverse.

Select the icon to save and return to the previous menu.

Press the To reset the function to its default settings.

Setup:

1. Touch the low or high end points box.

2. Touch the desired decimal to change then use the onscreen up

and down arrows to change the value.

6.3 Subtrim

Subtrim changes the center point of the channel. For example, if a model is always drifting to one side, the sub

trim can be used to fix this.

Setup:

1. Touch the box to the right of the desired channel.

2. Select the correct decimal and use the up and down arrow keys.

Setup:

The X on the graph shows the sticks current position and output.

The X axis represents the current stick position and the Y axis displays

[L] Is represents the throttle at its 0 position.

The currently selected variable will be highlighted in black.

1. Touch [Throt Curve] in the function menu.

2. Select a point by touching it.

2. Click the or icons to change the value.

Setup:

This function is only available on channels 1, 2 and 4, the selected

channel is displayed under the back button.

[Rate] Changes the channel's range (100% being full range).

[Exp.] Changes the amount of curve in the sticks response.

The currently selected variable will be highlighted in black.

The X on the graph shows the sticks (switches and knobs) current

position.

The Y axis represents the channels output.

Curve's create a non linear relationship between input and output.

1. Touch [Rate/Exp.] in the function menu.

2. Select [Rate] or [Exp. ].

3. Click the or icons to change the value.

6.5 Rate/Exp.

This function creates a curve for the stick inputs and outputs.

When applied to a channel this function will change the response curve.

Usually the entire range of the servo movement will be mapped in this function.

6.6 Throt Curve

The throttle curve function adds a curve to the throttle stick's input. This curve has 5 points that can be set to

create a custom curve.

6.4 Trims

The trims function changes the center point for the 4 stick axis. If a control surface does not match up exactly

to its expected position the trim function can be used to bring it back into alignment.

• If the throttle is not self-centering, channel 3 can not be adjusted.

This function is for slight adjustments only, if parts of the model are still out of alignment consider adapting

the model.

Setup:

1. In the function menu select [Trims]，Select "On" to activate.

2. Go to the servo display screen:

To adjust the right stick: Hold key 1 then hold a sick on an axis to

adjust in that direction, hold until the desired change has been made.

To adjust the left stick: Hold key 2 then hold a sick on an axis to

adjust in that direction, hold until the desired change has been made.

Digital Proportional Radio Control System

FS-l6S

6.7 Aux. Channels

The auxiliary channels can be used to control additional part of a model such as landing gear or lights.

Setup:

1. Select channels using the left or right arrow keys on the screen

on either side of the channel name.

2. The left box below the channel name allows the user to pick the

type of control for that channel, Nul, VRx, STx, KEY and SWx.

• If the channel is in use for a fly mode, the system will inform the

user and prevent any changes to that channel.

6.8 Mix

The mix function creates a mix between 2 different channels. For

example, it is possible to make a mix between rudder and ailerons,

so whenever the model rolls, the rudder will move automatically to

perform a turn.

Setup:

[Master]: This channel will control the slave.

[Slave]: This channel is controlled by the master.

[offset]: Offset works like trim or sub trim allowing for the center position of the slave channel to be changed.

[Pos.]: Changes how much the slave will move in relation to the master in a positive movement. At 50% when

the master moves to 100% of its positive motion, the slave will move to positive 50%.

[Neg.]: Changes how much the slave will move in relation to the master in a negative movement. At 50% when

the master moves to 100% of its negative motion, the slave will move to negative 50%.

1. If the mix is not already disabled turn it off by touching the box labeled "on".

2. Select a master by touching the box to the right of the master channel and choose a channel from the list.

3. Select a slave by touching the box to the right of the slave channel, then choose a channel from the list.

4. If needed, set an offset on the slave channel. Select the box to the right of the offset function, select the

correct decimal and use the up and down arrow keys to change the value.

5. Set the positive/negative ratio using the box to the right of "pos", select the correct decimal and use the

up and down arrow keys to change the value.

The failsafe function enables you to pre-set channel positions for the receiver in case of signal loss.

6.9 Failsafe

Setup:

[Ch1：Off]:means that in case of a loss of signal, the corresponding

servo will keep its last received position.

[Ch3：100%]:If it displays a percentage, the servo will instead move

to the selected position.

1. To setup a failsafe position on a channel, select the channel from

the list, to select the channel touch the box to the right of the

channel name.

2. The box next to the channel name should display "On", to activate

the failsafe touch the box. The box should now display "Off".

3. Move and hold the channel at the desired position, then while

keeping the channel at the desired value touch the setup box.

You can set the failsafe position for all channels with the [All channels]

button at once. To do so:

1. Turn all the channels on as stated above, hold all the channels in

the desired position and select "Set all" at the bottom of the list.

2. The system will prompt for a conformation, select "Y" for yes.

7. System Settings

This chapter covers system functions.

This function is for binding a transmitter and receiver.

For more information please refer to【4.2 Binding】.

7.1 RX Bind

This function is for selecting and resetting models.

Setup：

1. Select [Models] From the system menu and use the left and right

arrow icons to change between models.

2. To reset a model to factory default press [Reset Model].

• Model reset can not be undone.

The system has two output modes, PWM and PPM. To change between the modes touch the desired mode,

the currently selected mode will have a black dot.

7.3 Output Mode

7.2 Models

The system has 4 stick modes , to change the mode touch M1, 2, 3 or 4 on the right hand side of the screen.

The currently selected mode is highlighted in black. Changing between modes 2/4 and 1/3 will necessitate

changing the throttle gimbals position. The user will have to open up the product, see [8.3 Swapping Gimbals]

for details.

7.4 Sticks Modes

[PWM]: PWM output 1-6 channels outputting on the receivers 1-6 pins.

[PPM]: Up to 8 channels outputting via PPM on the receivers channel 1 pins. Pins 2-6 have no output.

Elevator

Mode

Throttle

Rudder

Aileron

Mode

Elevator Throttle

Rudder

Aileron

Mode

Throttle Elevator

Rudder

Aileron

Throttle Elevator

Rudder

Aileron

Digital Proportional Radio Control System

FS-l6S

This function controls screen brightness and volume for the system.

7.7 Bri./Sound

Setup:

Represents brightness ranging from 0-100%.

Represents volume from 0-100%.

Touch [Bri./Sound] in the system menu. Touch the sliders to change

screen brightness and volume.

This function resets all settings back to default.

To reset the system touch [Factory Reset] in the main menu then

when prompted touch "Y" for yes.

• Once reset all user settings will be lost.

7.8 Factory Reset

This function changes the throttle mode (Software only), for information on hardware refer to [8.1 Throttle

Bracket Installation] and [8.2 Throttle Spring Installation].

7.5 Throt Mode

Setup:

[Self centering] :If both sticks are set to self-centreing select this throttle mode.

[Non self centering]: When one of the transmitters sticks is set to non self-centering select this throttle mode.

Touch [Throt Mode] in the system menu then select your systems mode. (Must match hardware setup)

This function calibrates the sticks and knobs.

7.6 Sticks Adjust

Setup:

1. Enter stick adjust in the menu.

2. Move the sticks and knobs though their entire range of motion on each axis. To save touch the back icon.

If you can not go back it means that one or all of the sticks and knobs have not moved their full range of

motion.

3. Go to the servo display screen to check the calibration.

This function is for updating the system firmware.

7.9 Firmware Update

Setup:

1. Download the latest firmware from www.flysky-cn.com/download.html.

2. Open the firmware update on a computer and connect the system via USB cable.

3. Select [Firmware Update] from the systems function menu. The system will show a prompt, "This will enter

firmware update mode and halt other functions" with an option to continue, select "Y". When in update

mode the screen will turn off.

4. Once the system has been recognized by the computer select the update button at the bottom of the

firmware update software.

• Once the system has been updated it will restart.

• Once the system has restarted it is safe to remove the USB cable.

This menu shows the product name, hardware version, firmware release date and firmware version.

7.10 About FS-i6S

Digital Proportional Radio Control System

FS-l6S

8. DIY Customization

The system can be reconfigured to change joystick placement, knob response etc.

8.1 Throttle Bracket Installation

The gimbals can have their self centering function deactivated or activated, to do so follow the steps below:

1. Use tweezers to remove the left and right hand

grips. Then use a screwdriver to remove the 4

screws marked in red.

2. Carefully pull the front and back covers apart.

There are 2 cables connecting the back and

front.

3. Loosen the assembly screws shown in fig.4

and remove the plate. Be careful to ensure no

damage to cables.

4. Remove the bottom of the seat assembly of

the spring hook assembly.

• The throttle spring installation, swapping

gimbals, knob bracket installation and knob

spring installation requires that the transmitter

be disassembled and reassembled. The

disassembly instructions will only be provided

here, not for each change.

5. Secure the assembly back in its original

position with the 4 screws.

6. Secure the bracket using the screws provided.

• If the screws are too tight or too loose the

mechanism may not work as expected.

7. The assembly process is now complete.

Attention • These instructions are for mode 2, steps 3-6 are for making changes to the right

stick shown in picture. Do not dismantle the left stick.

8.2 Throttle Spring Installation

The following instructions explain how to install the vertical self-centering spring.

3. Take the transmitter apart,then remove the

screws marked in blue and remove the

2. Loosen the screws shown in fig.4 and remove

the plates.

6. Throttle spring installation complete.

3. Insert the 2 dowels as shown above.

4. Place the spring hook assembly into position

and hook the spring onto the hook located

inside the transmitter.

5. Secure the assembly back in its original position

with the 4 screws.

Digital Proportional Radio Control System

FS-l6S

8.3 Swapping Gimbals

When changing between modes 2/4 and 1/3 you will need to switch the gimbals around so that the throttle

gimbal is on the correct side.

2. Swap the gimbals and rotate them 180

degrees, then line them up with the screw

holes and replace the screws. (There is no

need to disconnect the cables.)

3. Replace the hand grips and insert batteries.

4. Turn on the transmitter and enter the servo

display screen to make sure everything is

working as expected.

1. Take the transmitter apart, using a Philips

screwdriver, remove the 8 screws marked in

red.

8.4 Knob Bracket Installation

The FS-i6S has 2 knobs that can be changed from self-centering to non-self-centering.

1. Take the transmitter apart, then use a

screwdriver to remove the screws marked in

red.

2. Remove the PCB screws marked in red.

3. Remove the knob from the potentiometer and

put them in a safe place.

4. Install the bracket shown above and secure

with the screws provided.

5. Reassemble the parts keeping everything in

alignment. Then replace all the screws.

6. Place the fully assembled part back into its

original position and secure with the screws.

Digital Proportional Radio Control System

FS-l6S

8.5 Knob Spring Installation

The following instructions explain how to install the vertical self-centering bracket.

1. Take the transmitter apart, then use a

screwdriver to remove the screws marked in

red.

2. Remove the PCB screws marked in red.

3. Remove the knob from the potentiometer and

put them in a safe place.

4. Please the spring as marked in red with the

2 ends pinched between the plastic at the

bottom.

5. Reassemble the parts keeping everything in

alignment. Then replace all the screws.

6. Place the fully assembled part back into its

original position and secure with the screws.

8.6 Device Holder

Mobile devices can be used in real time to receive information from an aircraft. For convince your device may

be fitted into the mobile device bracket.

1. To adjust the bracket, loosen locking screw by

turning it anti-clockwise.

2. Slide the top part of the phone holder up.

3. Place the phone/device in the middle of the

bracket, be careful not to let the device fall.

4. Slide the bracket back down and tighten the

locking screw. Make sure that the bracket has

a firm grip.

5. Tighten the lock screw on the back of the

bracket.

Digital Proportional Radio Control System

FS-l6S

If you are using a mobile device with a large screen follow the steps below:

1. Loosen the locking screw by turning it anti-

clockwise.

2. Move the slide to the highest position and

remove the screws marked in red.

3. Move the your device into the centre of the

bracket. Be careful not to let the device fall.

5. Adjust the slider so that it grips the device

firmly, and tighten the locking screw on the

back of the bracket.

4. Attached the bracket to the transmitter. Make

sure that the notch at the front of the bracket

fits over the eye located on the centre of the

transmitter and that the locking screws are

secure.

9. Product Specifications

This section contains the FS-i6S transmitter and FS-iA6B receiver specifications.

9.1 Transmitter specification(FS-i6S)

Channels 6

Model type Quadcopter

RF range 2.4055 - 2.475 GHz

Bandwidth 500 KHz

RF channel 140

RF power Less than 20 dBm

2.4GHz system AFHDS 2A

Modulation type GFSK

Stick resolution 4096

Low voltage alarm Yes (lower than 4.2V)

PS2/USB Port Yes

Power input 4.2V - 6.0V

Weight 410g

Size (Length x Width x Height) 179mm x 81mmx 161mm

Color White

Certificate CE0678, FCC ID：N4ZFLYSKYI6S

11.2 Receiver Specification(FS-iA6B)

Channels 6

Model type Quadcopter/Helicopter/Fixed-wing

RF range 2.4055-2.475 GHz

RF channel 140

RX sensitivity -105dBm

2.4GHz system AFHDS 2A

Modulation type GFSK

Power input 4.5 - 8.4 V DC

Weight 14.9 g

Antenna length 26 mm*2

Size (Length x Width x Height) 47mm x 26.2mm x 15 mm

Color Black

Certificate CE0678, FCC ID：N4ZFLYSKYIA10

i-BUS port Yes

Data acquisition port Yes

Digital Proportional Radio Control System

FS-l6S

10. Package Contents

Product Quantity

FS-i6S transmitter 1

FS-iA6B receiver 1

LED UPDATE

FS-IA6B

6 CHANNEL RECEI VER

2.4

GHz

4.0-8.4V/DC

FC C ID:N4ZFLYSKYIA10

Micro USB cable 1

Mobile phone holder Optional

DIY parts：

Throttle bracket（1）

PB 2.6*6（2）

Knob bracket（2）

PA 1.2*4（4）

Quick start guide 1

Appendix 1 FCC Statement

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 televison 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 receiver.

• Connect the equipment into an outlet on a circuit different from that to which the receiver is

connected.

• Consult the dealer or an experienced radio/TV technician for help.

To assure continued compliance, any changes or modifications not expressly approved by the party responsible

for compliance could void the user’s authority to operate this equipment. (Example use only shielded

interface cables when connecting to computer or peripheral devices).

This equipment complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

(1) This device may not cause harmful interference, and

(2) This device must accept any interference received, including interference that may cause undesired

operation.

Caution!

The manufacturer is not responsible for any radio or TV interference caused by unauthorized modifications to

this equipment. Such modifications could void the user authority to operate the equipment.

1. Move all your channels to the desired position.

2. Select [All channels] and then [Yes] in the confirmation box.

Digital Proportional Radio Control System

FS-l6S

www.flysky-cn.com

Released date:2016-11-17

FCC ID：N4ZFLYSKYI6S

FS I6S USER MANUAL

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