FUTABA SKYSPORT 4YF User Manual

Thank you for purchasing a Futaba SKYSPORT 4YF.
Before using your SKYSPORT 4YF, read this manual carefully and use your R/C set safely.
After reading this manual, store it in a safe place.
See the glossary page 19 for a definition of the special terms used in this manual.
Application, Export, and Modification
1. This product may be used for model airplane use, if on the correct frequency. It is not intended for
use in any application other than the control of models for hobby and recreational purposes. The
product is subject to regulations of the Ministry of Radio/Telecommunications and is restricted under
Japanese law to such purposes.
2. Exportation precautions:
(a) When this product is exported from the country of manufacture, its use is to be approved by the
laws governing the country of destination which govern devices that emit radio frequencies. If this
product is then re-exported to other countries, it may be subject to restrictions on such export. Prior
approval of the appropriate goverment authorities may be required. If you have purchased this prod-
uct from an exporter outside your country, and not the authorized Futaba distributor in your country,
please contact the seller immediately to determine if such export regulations have been met.
(b) Use of this product with other than models may be restricted by Export and Trade Control
Regulations, and an application for export approval must be submitted. In the US, use of 72MHz
(aircraft only), 75MHz (ground models only) and 27MHz (both) frequency bands are strictly regu-
lated by the FCC. This equipment must not be utilized to operate equipment other than radio con-
trolled models. Similarly, other frequencies (except 50MHz, for HAM operators) must not be used
to operate models.
3. Modification, adjustment, and replacement of parts: Futaba is not responsible for unauthorized
modification, adjustment, and replacement of parts on this product. Any such changes may void the
warranty.
The Following Statement Applies to the Receiver (for U.S.A.)
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 undes-
ired operation.
Battery Recycling (for U.S.A.)
The RBRC
TM
SEAL on the (easily removable) nickel-cadmium battery contained in
Futaba products indicates that Futaba Corporation of America is voluntarily participating
in an industry program to collect and recycle these batteries at the end of their useful
lives, when taken out of service within the United States. The RBRC
TM
program provides
a convenient alternative to placing used nickel-cadmium batteries into the trash or mu-
nicipal waste system, which is illegal in some areas.
You may contact your local recycling center for information on where to return the spent battery.
Please call 1-800-8-BATTERY for information on Ni-Cd battery recycling in your area. Futaba Cor-
poration of America's involvement in this program is part of its commitment to protecting our environ-
ment and conserving natural resources.
NOTE: Our instruction manuals encourage our customers to return spent batteries to a local recycling
center in order to keep a healthy environment.
RBRC
TM
is a trademark of the Rechargeable Battery Recycling Corporation.
Warning: This product contains a chemical known to cause cancer and birth defects (or other
reproductive harm).
•No part of this manual may be reproduced in any form without prior permission.
•The contents of this m anual are subject to change without prior notice.
•This manual has been carefully written. Please write to Futaba if you feel that any corrections or clarifications should
be made.
•Futaba is not responsible for the use of this product.

FUTABA SKYSPORT 4YF Specifications

General

Brand	FUTABA
Model	SKYSPORT 4YF
Category	Remote Control
Language	English

Summary

FOR SAFETY

Meaning of Special Markings

Explains symbols used for safety instructions, indicating danger, warning, or caution levels.

Precautions During Flight

Advises against flying in hazardous conditions or locations, and when not alert, to prevent crashes.

Ni-cd Battery Charging Precautions

Details safe practices for charging Ni-Cd batteries, including using correct chargers and avoiding misuse.

Storage and Disposal Precautions

Guidelines for safely storing the R/C set and disposing of Ni-Cd batteries, keeping them away from children.

Other Safety Precautions

Covers general safety aspects like avoiding fuel on plastic parts and using genuine Futaba components.

BEFORE USE

Set Contents Check

Instructions to verify all components are present after opening the carton, depending on the set type.

Component Identification and Handling

Details and illustrates the parts of the transmitter and receiver for proper identification and use.

Servo Operation Fundamentals

Explains how transmitter stick movements translate to servo movements for each control surface.

INSTALLATION AND ADJUSTMENT

Receiver and Component Connections

Illustrates how to connect the receiver, servos, receiver switch, and battery.

Installation Best Practices

Covers secure connector insertion, receiver protection, antenna setup, and power switch placement.

Servo Installation and Linkage Adjustment

Guides on mounting servos, adjusting servo throw, and ensuring linkages operate without binding.

Servo Operation Adjustments

Details procedures for setting servo direction, neutral position, and throw for optimal aircraft control.

USING OTHER FUNCTIONS

Frequency Board Attachment

Step-by-step guide on attaching the frequency board and seal to the antenna for proper operation.

Servo Horn and Lever Head Adjustment

Information on selecting servo horns and adjusting lever head length for comfortable stick control.

Trainer Function Operation

Instructions for using the trainer function for student pilot training, including setup and precautions.

Nicd Battery Charging Procedure

Outlines the process for charging the transmitter and receiver Ni-Cd batteries using the provided charger.

REFERENCE

Technical Specifications and Ratings

Lists performance specifications and ratings for transmitters, receivers, and servos.

Frequency Bands and Channels

Provides a list of permitted frequencies and channel numbers for aircraft and surface use in the USA.

Troubleshooting Common Issues

Offers solutions for common operational problems such as dead batteries, antenna issues, and wiring faults.

Glossary of Terms

Defines technical terms and symbols used throughout the instruction manual for clarity.