FUTABA FX-20 User manual

FX-20-2.4G
Futaba Corporation
1
FX-20
Radio Control
Instruction Manual
INTRODUCTION
Thank you for purchasing a Futaba digital proportional R/C system. In order for you to make the
best use of your system and to use it safely, please read this manual carefully. If you have any
difficulties while using your system, please consult the manual, our online Fre uently Asked
Questions (on the web pages referenced below), your hobby dealer.
Owner’s Manual and Additional Technical Help
This manual has been carefully written to be as helpful to you, the new owner, as possible.
There are many pages of setup procedures and examples. However, it need not be your sole
resource of setup guidelines. For example, the back cover includes a uick-start set of
instructions and the Fre uently Asked Questions web page referenced below includes this type
of step-by-step setup instructions for a variety of other model types.
Due to potential unforeseen changes in production procedures, the information contained in this
manual is subject to change without notice. No part of this manual may be reproduced in any
form, at any time, without prior permission.
Support and Service: It is recommended to have your Futaba e uipment serviced annually
during your hobby’s “off season” to ensure safe operation.

FX-20-2.4G
Futaba Corporation
2
IN NORTH AMERICA
Please contact Uwe Frank Heinrich to assist you with any questions, problems or
service needs.
Uwe Frank Heinrich
1214 SW 39
th
Street
Cape Coral, FL 33914
Phone: [phone]
Cell: 239-223-8581
OUTS DE NORTH AMER CA
Please contact your Futaba importer in your region of the world to assist you with any
questions, problems or service needs.
Please recognize that all information in this manual, and all support availability, is
based upon the systems sold in North America only. Products purchased elsewhere
may vary. Always contact your region’s support center for assistance.

FX-20-2.4G
Futaba Corporation
3
Federal Communications Commission Interference Statement (for U.S.A.)
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. f this equipment does cause harmful interference to radio or television 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.
-- ncrease 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.
CAUTION:
To assure continued FCC compliance:
Any changes or modifications not expressly approved by the grantee of this device could void
the user's authority to operate the equipment.
Exposure to Radio Frequency Radiation
To comply with FCC RF exposure compliance requirements, a separation distance of at least
20cm must be maintained between the antenna of this device and all persons.
This device must not be co-located or operating in conjunction with any other antenna or
transmitter.
This device 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.

FX-20-2.4G
Futaba Corporation
4
Instruction of the FX
Instruction of the FXInstruction of the FX
Instruction of the FX-
--
-20
2020
20-
--
-2.4G
2.4G2.4G
2.4G
1.Location
Fig. Front view
Fig. si e view
SW
-
H
SW
-
G
RD
SW
-
E
SW
-
A
SW
-
B
Touch sensor
T1
T3
T4
LD
T2
Power Switch
Right Stick
Left Stick
LS
SW
-
D
RS
J4
J3
J1
J2
LCD
DSC connector
Charge jack
SD car slot

FX-20-2.4G
Futaba Corporation
5
Fig. Bottom view
Fig. Insi e view (Battery box)
2.
2.2.
2.Charging the battery
Charging the batteryCharging the battery
Charging the battery
1-1. Please confirms the power switch is off.
1-2. Insert the plug of the charger to charging bush of transmitter.
1-3. During the charging, the LED of the charger is on.
The charging time is appx. 15 hours. Please o not charge the battery for 15hours or more.
The overcharge amages the battery.
The battery is 6 cells Ni-MH battery the capacity is 7.2 V/ 1,700mAH.
Sli er
Ni
-
MH battery

FX-20-2.4G
Futaba Corporation
6
３．
３．３．
３．Operation of the touch sensor
Operation of the touch sensorOperation of the touch sensor
Operation of the touch sensor
Contents Operation
Touch
part
Con ition Working
At the screen have some pages.
(Ex. P-MIX screen)
The cursor jumps to top of next
page
S1
At the screen have Only one(１)
page.
The cursor jumps the top of page.
At the input ata mo e with
blinking the setting ata.
The setting ata is cancele .
At the moving cursor mo e. Change to the input ata mo e.
At the input ata mo e. Change to the moving cursor mo e.
Short touch
RTN
At the input ata mo e with
blinking the setting ata.
The ata is entere .
Home screen,
System menu,
Linkage Menu,
Mo el menu,
Selecting ON/OFF Switch,
USER NAME,
MODEL NAME,
DISPLAY, INFO,
MODEL SELECT,
MODEL TYPE,
FREQUECY,
DATA RESET,
TIMER,
Selecting Control,
Selecting Function,
SERVO MONITOR
Jump to “System Menu” screen
irectly.
SYS
Except of above Jump to “SERVO MONITOR”
screen irectly.
LNK At all screens Jump to “Linkage Menu” screen
irectly.
MDL At all screens Jump to “Mo el Menu” screen
irectly.
HOME screen Key lock On or Off S1
Except the HOME screen Jump to HOME screen irectly.
RTN At the input ata mo e with
blinking the setting ata.
Entere ecision.
Long touch（1 secon ）
At the input ata mo e without
blinking the setting ata.
Reset to the initialize value.
Scrolling Outline At the moving cursor mo e The cursor is move .

FX-20-2.4G
Futaba Corporation
7
of “RTN”
Input ata mo e Increment or ecrement the ata.
Select Yes or No, an so on.
4.
4.4.
4.Turns on the transmitter
Turns on the transmitterTurns on the transmitter
Turns on the transmitter
4-1 Power switch is to be on. The re LED is light. LCD isplays the bar graph at moment.
4-2 Then, LCD isplays the Home screen imme iately.

FX-20-2.4G
Futaba Corporation
8
5
55
5．
．．
． Basic operation of
Basic operation of Basic operation of
Basic operation of e iting
e itinge iting
e iting
LCD screen is consists of e iting button an monitor isplay. You can go through e iting menu
by touch sensor. If you want t o go back to previous menu, you move the cursor to screen title
an touch “RTN”.
6.
6.6.
6.Home screen
Home screenHome screen
Home screen
You always enter this screen after turning on the power. It is a base screen to e it.
1. User Name 8. Mo e (MULT / 7CH)
2. Timer #1 9. Timer #2
3. Mo el Name 10.
Trim In icator
4. Clock icon (Jump to timer screen) 11.
Mo el Type Icon
5. Integrate Timer 12.
Memory Car Icon (at etecte car )
6. Mo el Timer 13.
RF Transmit
7. Battery Gauge
1
2
3
5
4
7
8
9
10
11
12
13
6

FX-20-2.4G
Futaba Corporation
9
7.
7.7.
7.Linkage menu
Linkage menuLinkage menu
Linkage menu
The linkage menu sets the primary ata of the each mo el. These ata are common to every
flight con ition.
If you touch “LNK” of the touch sensor over 1 secon , you can get into the linkage menu screen.
8.
8.8.
8.Mo el Menu
Mo el MenuMo el Menu
Mo el Menu
The mo el menu sets the ata of mixer. These ata of each flight con ition can be set.
If you touch “MDL” of the touch sensor over 1 secon , you can get into mo el menu screen.
9.
9.9.
9.System Menu
System MenuSystem Menu
System Menu
The system menu sets the transmitter setting ata. For example, isplay contrast, stick mo e.
If you touch “SYS” of the touch sensor over 1 secon , you can get into system menu screen

FX-20-2.4G
Futaba Corporation
10
Specification
SpecificationSpecification
Specification
FX-20-2.4G SPEC F CAT ONS
1 Ra io Characteristics
Engineering stan ar Part 15.247 FCC (U.S.)
RF power output 50mW
Mo ulation Direct-Sequence Sprea -Spectrum
Communication scheme Single communication
Frequency ban 2405.376MHz - 2477.056MHz (general mo e)
2407.424MHz - 2450.432MHz (France mo e)
Channel 36 or 22
Data barer rate 136 kbps
Frequency control Crystal controlle frequency synthesizer
Antenna 1/2λ Pencil type antenna 1.5 Bi (MAX)
2 Ra io communication control
Error checking CRC-CCITT
3 Terminal interface
Physical interface none
4 Power Supplying
Supply voltage 7.2V DC
Current consumption 250 mA
5 Environmental
Operating temperature -10 to +45 ℃
Storage temperature -20 to +60 ℃
6 Miscellaneous
In icator LCD isplay, 2 LED
Frequency setting programmable
Case Plastic
Outer imensions 220(W)×210(D)×64(H) mm
Weight Approx. 740g