Frsky TFR4SB User Manual

Instruction

Manual for

FrSky TFR

4SB

1.

Introduction

1.1 Compatibilit

y:

1.2 Specificatio

ns:

2.

Setup

2.1 Bind proced

ure:

Note: Be sure t

hat when usin

g battery or re

gulated outpu

t from ESC, th

e capacity

must meet the

usage conditio

ns of servos.

1.3 Features:

2.3 LED Status

:

3.

How to switch b

etween two P

PM modes

1.1.1 Compatible s

ystems

FASST 2.4G Air Sy

stems (7CH Mode/

Multi Mode): 6EX,

7C, TM-7, TM-8, T

8FG, T10C, TM-10

, T10CG,

T12Z, T12FG, TM-1

4, T14MZ, etc.

FASST 2.4G Surfa

ce Systems (C1 Mo

de): 3PK, 4PK, etc

.

1.1.2 Compatible s

ervos at SB port

Futaba S.BUS serv

os, FrSky servo D1

2MB

Model: TFR4SB (3C

H FASST compat

ible receiver with S

B port)

Dimension: 41*24*6

mm

Weight: 6.0g/4.2g(n

aked)

Operating Voltage

Range: 3.5 ~ 10V

Operating Tempera

ture Range: -10

~ 80

Servo Frame Rate:

14ms (FS - Norma

l Speed Mode)

7ms (HS - High Sp

eed Mode)

1) Compatible with

FASST 2.4G: Air S

ystems (7CH Mode

/Multi Mode) & Su

rface Systems (C1

Mode)

2) SB port is compa

tible with Futaba S

.BUS servos and F

rSky servo D12MB

. No receiver chan

nel limits (except

by those on your tra

nsmitter) and prev

ent mismatched se

rvo-channel conne

ctions.

3) Two selectable f

ailsafe setting optio

ns (use native fails

afe on radio side o

r set failsafe on TF

R4SB side)

4) Improved sensiti

vity and stability

5) Wider and highe

r operating temper

ature range, suitab

le for all kinds of m

odels

Turn on the transm

itter, connect the b

attery to the receiv

er while pressing re

ceiver's F/S button

. After the

RED LED

is off and

GREEN LED

is solid, the binding

process is comple

ted and the receive

r is operating norm

ally.

2.2.2 Set failsafe on

TFR4SB side:

TFR4SB supports f

ailsafe function for

all channels. Follo

w the steps below

to set failsafe on T

FR4SB:

When failsafe on th

e transmitter side i

s disabled you nee

d to re-up the rece

iver.

1) Bind the receive

r first, and disable t

he failsafe on the t

ransmitter side;

2) Set all transmitte

r controls to the de

sired failsafe posit

ion;

3) Press the receiv

er's F/S button brie

fly, the

GREEN LED

will flash twice, indi

cating the failsafe i

s set up
successfully.
If you do not need t

he failsafe function

any more, just re-

bind the receiver to

set default failsafe

mode.

Turn the transmitte

r off, connect the b

attery to the receiv

er, press the F/S bu

tton for 6 seconds

and then release.

The RED LED will f

lash fast in HS Mo

de and slow in FS M

ode. Repeat this

to alternate modes

.

RED LED

Off
On

Flashing

Off

Flashing slowly

Flashing fast

GREEN LED

On
On
On

Flashing twice

On
On

Mode

Normal mode

Waiting to be boun

d

Signal lost

Set failsafe

Normal speed mod

e

High speed mode

Futaba is trade nam

e and/or trademar

k of their respectiv

e companies and a

re not products of

FrSky Electronic C

o., Ltd.

Instruction

Manual for

FrSky TFR

4SB

Note: If PPM m

ode is switche

d while the tra

nsmitter is ON

, RED LED is a

lways OFF

while GREEN L

ED is always O

N, from which

it is hard to d

istinguish whe

ther

TFR4SB is in n

ormal speed m

ode or high sp

eed mode. In

this case, conv

entional

servos might g

et hot or even

burn out if TFR

4SB is switch

ed to high spe

ed mode.

So it is recomm

ended to swit

ch PPM mode

when the trans

mitter is off.

HS mode is on

ly applied for

high-speed dig

ital servos. Ot

her servos sh

ould select

FS mode, othe

rwise servos w

ill get hot or e

ven burn out.

SB Port

Note: Do not p

erform linking

procedure wh

ile motor's ma

in wire is conn

ected or

engine is opera

ting, otherwis

e damage may

occur. After li

nking is compl

eted, recycle

the receiver po

wer and chec

k if the receive

r is really und

er control by li

nked

transmitter.

2.2 Setting fails

afe:

TFR4SB support tw

o selectable failsa

fe setting options, e

ither use native fa

ilsafe position pres

et on the transmitte

r

side, or set failsafe

on TFR4SB.

2.2.1 Use native fa

ilsafe position pres

et on the transmitte

r side:

If not disabling fails

afe on the transmit

ter side, TFR4SB w

ill use native failsa

fe position preset

on the transmitter

side.

Servo outputs for c

onventional system

Failsafe is recomm

ended to set when

system is firstly us

ed, or receiver has

been re-bound. Fo

llow steps below

to set failsafe for S

B port

Option-1. How to s

et failsafe to a user

-determined state o

n lost signal:

1) Bind the receive

r to the transmitter

module first and tu

rn on both the tran

smitter and the rec

eiver;

2) Move the contro

ls to desired failsaf

e position for all ch

annels;

3) Press briefly the

F/S button on the r

eceiver and you ar

e done.

Option-2. How to se

t failsafe for no pu

lses on lost signal:

1) Just press briefly

the F/S button on

the receiver while

the transmitter is o

ff and you are done

.

Note: If failsafe

is not set, fail

safe default wi

ll hold last pos

ition before si

gnal is lost.

In this case, th

ere exists risk

that your mod

el will fly away

or cause injur

y.

C

H

3

C

H

2

CH1