Receiver Terminology; Receiver Installation - FUTABA 4GRS Instruction Manual

Receiver Terminology

Antenna
*R304SB-E(for EP Car) has built-in antenna.

Receiver Installation

Install the R304SB receiver on the car as follows:
The operating range may reduced, depcompleted on where the receiver and the antenna
are mounted.
WARNING
Do not cut or bundle the receiver antenna wire.
Do not bend the coaxial cable. It causes damage.
Install the antenna in the highest position possible as shown in the
figure.
Put the antenna in the antenna tube to protect it.
Keep the antenna as far away from the motor, ESC and other noise
sources as you possibly can.
Wrap the receiver with something soft, such as foam rubber, to
avoid vibration. If there is a chance of getting wet, put the receiver in
a waterproof bag or balloon.
Caution
Always use R304SB,R304SB-E under the following conditions:
Battery :Power requirement Rated voltage 4.8~7.4V (dry cell battery cannot be used)
Matched to the ratings of the receiver and connected servo.
RX MODE :"T-FHSS(HIGH)" or "T-FHSS(NORM)"
Transmitter mode-"T-FHSS(HIGH)" mode
Transmitter mode-"T-FHSS(NORM)" mode
Under other conditions, the set will not operate, or the specified performance will not be displayed even if it operates. In
addition, it may cause trouble with servos and other equipment. Futaba will not be responsible for damage, etc. caused
by combination with the products of other companies.
Transmitter mode setting
Set the transmitter to the "T-FHSS(HIGH)" mode or "T-FHSS(NORM)" mode.
Note: Only digital servos (including BLS Series Brushless servos) can be used in the T-FHSS(HIGH) mode.
32
Coaxial cable
R304SB
:Futaba digital servo
:Futaba all servo
Link switch/LED
Connectors
4
3
2
1
S.BUS2 :Power /S.BUS2 connector
The receiver power supply can be connected
to the S-BUS2 connector or any of CH1-4.
:CH4 servo(CH4)
:CH3 servo(CH3)
:Throttle servo(CH2)
:Steering servo(CH1)
Antenna
tube
Antenna
Coaxial
cable
R304SB