1M23N17490

R3008SB

T-FHSS Air-2.4GHz Bidirectional Communication System
S.BUS2 / S.BUS Port and 8 Channels for Conventional System ReceiverThank you for purchasing a Futaba R3008SB T-FHSS Air-2.4GHz compatible receiver. The R3008SBUHFHLYHUIHDWXUHVELGLUHFWLRQDOFRPPXQLFDWLRQ
with a T-FHSS Air-2.4GHz Futaba transmitter using the S.BUS2 port. Using the S.BUS2 port an impressive array of telemetry sensors may be utilized.
It also includes both standard PWM output ports and S.BUS output ports.

Applicable systems: Futaba T-FHSS Air-2.4GHz system transmitter
Usage precaution

Be sure that the two antennas are placed at 90 degrees to each other.
• The R3008SB has two antennas. In order to maximize signal reception
and promote safe modeling Futaba has adopted a diversity antenna
system. This allows the receiver to obtain RF signals on both antennas
and ﬂy problem-free.

• Futaba T-FHSS Air system does not work with current Futaba TFHSS / S-FHSS / FHSS / FASST / FASSTest system.
• The R3008SB receiver can only be used with T-FHSS Air capabletransmitters.
• Don't connect Extra Voltage before turning on a receiver.

Antenna installation for carbon fuselage
WARNINGWARNING
Changes or modification not expressly approved by the party
responsible for compliance could void the user’s authority to operate theequipment.

You must leave 30mm at the tip of the antenna fully exposed. The exposed antenna should be secured so that it cannot move around or backinside of your aircraft.

Keep away from conductive materials to avoid short circuits.

• It will be a short-circuit, if it connected inthis way. A short circuit across the battery
terminals may cause abnormal heat, fireand burning.

Don't cut or bundle the receiver antenna wire.
Don't bend the coaxial cable. It causes damage.

Do not insert either a switch
or battery in this manner.

Don't connect servo for conventional system to S.BUS/S.BUS2 port.
• Digital servo for conventional system→ It does not operate.
• Analog servo → It may cause abnormal heat, ﬁre and burning.

The antennas must be mounted in such a way to assure they arestrain relieved.
Keep the antenna as far away from the motor, ESC and other noise
sources as you possibly can.
本產品符合低功率電波輻射性電機管理辦法 第十二條、第十四條等條文規定
1. 經型式認證合格之低功率射頻電機，非經許可，公司、商號或使用者均不得擅自變更頻率、加大功率或變更原設計之特性及功能。
低功率射頻電機之使用不得影響飛航安全及干擾合法通信 ；經發現有干(Antenna installation) 2. 擾現象時，應立即停用，並改善至無干擾時方得繼續使用。前項合法通信，指依電信法規定作業之無線電通信。低功率射頻電機須忍受合法通信或工業 , 科學及醫療用電波輻射性電機設備之干擾。

WARNING
Only S.BUS2 capable devices may be connected the S.BUS2 port.
Standard S.BUS servos and gyros should not be connected the S.BUS2port.

(Typical installation)
CH Mode B([WUD9ROWDJH
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It connects the batteryfor power, etc.
External voltage input
cable of an option isused. The voltage ofthe battery can bedisplayed with atransmitter.

Please refer the table below
for LED status vs receiver'scondition.

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Green

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Status

OffSolid

No signal reception

Solid

Off

Receiving signals
Unrecoverable error (EEPROM, etc.)

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Alternate blink

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Don't connect a connector, as shown right.

Antenna installation precaution

90˚DANGER

S.BUS2 precaution
DANGERThe R3008SB receiver should be protected from vibration by foamrubber, Velcro or similar mounting methods. Protect from moisture.

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Battery(7/B)

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7HOHPHWU\6HQVRUCAUTION:To assure continued FCC compliance:
$Q\FKDQJHVRUPRGL¿FDWLRQVQRWH[SUHVVO\DSSURYHGE\WKHJUDQWHHRIWKLVGHYLFHFRXOGvoid the user's authority to operate the equipment.
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uncontrolled environment.
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another transmitting device.
The responsible party of this device compliance is:Futaba Service Center
3002 N Apollo Drive Suite 1, Champaign, IL 61822 U.S.A.
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Compliance Information Statement(for U.S.A.)
This device, trade name Futaba Corporation, model number R3008SB, complies with
part15 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 maycause undesired operation.

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S.BUS(8/SB)*Default setting S.BUS,
don't connect servo forconventional system.

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T-FHSS Air-2.4GHz system/S.BUS2 and S.BUS port and 8 channels forconventional system receiver• Dual antenna diversity• Size: 0.98 x 1.86 x 0.56 in. (24.9 x 47.3 x 14.3 mm)• Weight: 0.36 oz. (10.1g)• Power requirement: 4.8V to 7.4V
• Battery F/S Voltage: It sets up with a transmitter• Extra Voltage port: 0 〜 70V DC* Be sure that when using ESCs regulated output the capacity of the ESC mustmeet your usage condition.

Link to the transmitter

Channel Modes(DV\ /LQN ,' DOORZV 7)+66$LU UHFHLYHUV WR OLQN WR FRPSDWLEOH
transmitter without pressing the link button on the receiver.
1 Bring the transmitter and the receiver close to each other,
within 20 inches (half meter).
2 Turn on the transmitter. Place the transmitter into the receiverlinking mode.

The R3008SB is capable of changing its channel allocations as describedin the table below.
1 Turn on the receiver. (At this moment, the transmitter should
be off.) Then, LED blinks RED in about 3 seconds. Next, wait
until it becomes solid RED.
2 Press and hold the Mode switch more than 5 seconds.
3 Release the button when the LED blinks RED and GREEN
simultaneously.
4 The receiver is now in the "Operation CH Set" mode. At thismoment, the LED indicates current set status through ﬂashinga pattern that corresponds to the CH mode.

3 Turn on the receiver.
4 The receiver will wait for the linking process to begin for 3

seconds. Following that it will return to the normal operationmode.
5 When the LED of the receiver changes from blinking red tosolid green, linking is completed.
(A link waiting state is ended in 3 second.)• Refer to the transmitters operation manual for complete details on how to place thetransmitter into the linking mode.
• If there are many T-FHSS Air systems turned on in close proximity, your receivermight have difﬁculty establishing a link to your transmitter. This is a rare occurrence.
However, should another T-FHSS Air transmitter/receiver be linking at the sametime, your receiver could link to the wrong transmitter. This is very dangerous if you
do not notice this situation. In order to avoid the problem,we strongly recommend
you to double check whether your receiver is really under control by yourtransmitter.
• If the System Type of the transmitter is changed, the receiver will need to be relinked to the transmitter.

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5 By pressing the Mode switch, the operation CH is switchedsequentially as "Mode C" "Mode D" "Mode A"....

6 The operation mode will be set by pressing the Mode switch
more than 2 seconds at the desired CH mode.

7 Release the button when the LED blinks RED and GREEN
simultaneously. Then, the operation CH is ﬁxed.

8 After conﬁrming the operation CH mode is changed, turn off
and back on the receiver power.

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communicates to the transmitter.

WARNING

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Do not perform the linking procedure while the motor's main wire connected or the engine is operating as it may result in serious injury.

Outputconnector

When the linking is complete, please cycle the receiver power and ensure the receiver is properly linked to the transmitter.

1

Please power up your system in this order. Transmitter ﬁrst, followedby the receiver.
If the R3008SB receiver was previously linked to another transmitter,
make sure that transmitter is not operating while linking the receiver tothe new transmitter.

T-FHSS Air
T-FHSS Air is a bidirectional communication system between the56% UHFHLYHU DQG 7)+66$LU FDSDEOH WUDQVPLWWHUV  0XOWLSOH
optional telemetry sensors may be connected to the S.BUS2 on thereceiver and that data is in turn displayed on the transmitter.
*Please see your transmitters operation manual to conﬁgure transmitter tooperate with telemetry sensors.

ChannelMode Ａ
1 〜 8CH
1Mode B
1 〜 7CH
1Mode C
9 〜 10CH
9Mode D
9 〜 10CH
910222103

33−

−

444−

−

555−

−

666−

−

7/B

77−

−

8/SBRed LEDblink

8S.BUS−S.BUS

1 time2 time3 time4 time'HIDXOW&+PRGH

S.BUS2S.BUS2 H[WHQGV S.BUS and supports bidirectional communication.
Sensors are connected the S.BUS2 port.
*Only S.BUS2 capable devices may be connected the S.BUS2 port.
Standard S.BUS servos and gyros should not be connected the S.BUS2port.

What is S.BUS?
Unlike conventional radio control systems, the S.BUS system uses data
communication to transmit control signals from a receiver to a servo,gyro, or other S.BUS compatible device. This data includes commands
such as “move the channel 3 servo to 15 degrees, move the channel 5
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only those commands for their own set channel. For this reason, it canbe used by connecting multiple servos to the same signal line.

[Connection by S.BUS system]* Set the channel of S.BUS servos by using an SBC-1 channel changer, CIU-2 USB
serial interface or the programming software resident in the T10J transmitter.
* Can also be used together with conventional servos. However, conventional servos cannot be used by the S.BUS output.
* When using servos with a remote battery pack, use S.BUS Hub with Cable (2way/remote battery pack use).
Please refer to the instruction manual of S.BUS Hub with Cable (2-way/remotebattery pack use) for the connection method.

3ch

R3008SB

S.BUS hubS.BUS output
Ch output/
Battery terminal

5ch

S.BUS hub
6ch

S.BUS
2ch

4ch

S.BUS servo

Battery
Conventional
servo

WARNING
Turn on the power in transmitter → receiver order. In addition, always check the operation of all the servos before ﬂight.
Do not insert or remove the servo connector while the receiver power is ON.
Since the S.BUS servo switches the operation mode automatically according to the type of signal (S.BUS signal/PWM signal) from the receiver, if the connector is insertedor removed while the power is ON, an S.BUS connected servo will be erroneously recognized and may stop.
FUTABA CORPORATION
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2016, 03 (2)