Futaba R2104GF User Manual

R2104gf

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R2104GF

S-FHSS/FHSS-2.4GHz system

(Auto Detection),

4-channel receiver

Compliance Information Statement (for U.S.A.)

This device, trade name Futaba Corporation of America, model number R2104GF, 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 may cause

undesiredoperation.

The responsible party of this device compliance is:

Futaba Service Center

3002 N Apollo Drive Suite 1, Champaign, IL 61822 U.S.A.

TEL (217)398-8970 or E-mail: [email protected] (Support)

Thank you for purchasing the

R2104GF receiver.

The

R2104GF is designed for use with the Futaba

S-FHSS or FHSS system transmitter. The S-FHSS

system has two(2) operation mode as shown below.
•Normal mode/High Speed mode
The "Normal mode" accepts any type of servos

or the peripherals as the frame rate of the output

is 13.6ms. The "High Speed mode" only accepts

the digital servos, including BLS series, and most

peripheral equipments such as the brushless ESCs.

The frame rate of the outputs is 6.8ms.
Please pay special attention to the information

contained within this manual and transmitter's

manual in order to have a pleasant running/flying

experience.
The

R2104GF is compatible with the S-FHSS or

FHSS system transmitters as shown "Transmitter

and Receiver Compatibility".

FUTABA CORPORATION

1080 Yabutsuka, Chosei-mura, Chosei-gun, Chiba-ken, 299-4395, Japan

Phone: +81 475 32 6982, Facsimile: +81 475 32 6983

1M23N17432

©FUTABA CORPORATION 2010, 8 (1)

R2104GF Specifications:

(

S-FHSS/FHSS system, 4-channel receiver)

• Receiving on 2.4GHz band
• System:

S-FHSS/FHSS system (auto detection)

• Operation mode: Normal/High speed (auto detection)
• Power requirement: 4.8V or 6V (shared with servo)
• Current drain: 30mA (at no signal)
• Size: 1.54x1.02x0.39” (39x26x10mm)
• Weight: 0.28oz. (8g)

 WARNING



NEVER

use dry batteries for

the power supply of the

R2104GF

as they may cause difficulties.

Link Procedure

Each transmitter has an individually assigned,

unique ID code. In order to start operation, the

receiver must be linked with the ID code of the

transmitter with which it is being paired. Once the

link is made, the ID code is stored in the receiver

and no further linking is necessary unless the

receiver is to be used with another transmitter.

1

Place the transmitter and the receiver close

to each other within one (1) meter

2

Turn on the transmitter and the receiver.

3

Push and hold the Link switch on the

receiver.

4

When the link is complete, the LED on the

receiver changes to solid green.

* Please refer to the table below for LED status

and receiver condition.

No signal reception

Red : On

Receiving signals

Green: On

Receiving signals, but ID

is unmatched.

Green: Blink

* If there are many

S-FHSS/FHSS systems turned

on around your receiver, it might not link to your

transmitter. In this case, even if the receiver’s

LED stays solid green, unfor tunately the

receiver might have established a link to one of

the other transmitters. 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

controlled by your transmitter by giving throttle

input, etc. and then checking servo response.

 WARNING



After the linking is done, please

cycle receiver power and check if

the receiver to be linked is really under the

control by the transmitter to be linked.



Do not perform the linking procedure

with motor's main wire connected or

with the engine operating as it may result in

serious injury.

FHSS-2.4GHz/S-FHSS-2.4GHz System

Transmitter and Receiver Compatibility

Transmitter

FHSS

Receiver

S-FHSS/FHSS

Receiver

R603GF

R2004GF

R2104GF

T2PL-2.4G (FHSS)

Okay

Okay

F/S function: Ch2

T3PL-2.4G (FHSS)

Okay

Okay

F/S function: Ch2

T4YF-2.4G (FHSS)

Okay

Okay

T4PL-2.4G

S-FHSS

High Speed

Okay

F/S function: All channels
B-F/S function: Ch2
*Digital servo only at High Speed
mode

Normal

FHSS

Okay

Okay

F/S function: Ch2

Link switch

LED

Ch output (1 to 4)

Battery terminal (B)

Operating Precautions:
Once the

R2104GF detects the S-FHSS

normal mode,

S-FHSS high speed

mode or

FHSS mode, the detected

mode is locked as long as the power

is ON. When need to change the

mode, please cycle power.

Note: Futaba

FHSS/S-FHSS system and FASST system are not compatible each other.

Usage condition on "High Speed mode"

 CAUTION



When using the high-speed mode, use a

Futaba digital servo (including brushless

servo). Analog servos cannot be used.

• The use of analog servos may cause servo trouble.

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