Futaba
DIGITAL PROPORTIONAL
RADIO CONTROL
THANK YOU for purchasing a Futaba digital
proportional radio control set.
Please read this manual thoroughly before using your
new
set.
CONTENTS
Features........................................................................
Contents
and
Ratings
...................................................
Transmitter
Controls
......................................................
Using
the
Transmitter
...................................................
Using
the
Receiver
and
Servos
.......................................
Modules........................................................................
Warranty
.....................................................................
Repair and
Adjustment
Service
.......................................
• FEATURES
This radio control set has been developed for FAI RC
acrobatic F3A use. Please read this manual thoroughly before
using your set.
Transmitter FP-T8JN
•The transmitter employs a module system. The
frequency band and modulation method can be
changed with one touch.
•The
servos
can
be
operated
without
transmitting
radio signals. Wire operation is possible by using
the special cord furnished with the set.
•A reversing device is self-contained. The servo
can be reversed by switching a switch.
•An aileron and elevator angle switching device is
self-contained.
•Open gimble sticks provide maximum feel.
•An travel adjuster is self-contained.
Servo travel is independently adjustable to the left
and right (up, down).
•Elevator and flap mixing. Amount and direction
are variable. Release switch is also provided.
•Flap
and
spoiler
mixing.
Amount
and
direction
are variable. Release switch is also provided.
•Two
roll buttons. Elevator angle and
direction
can be freely adjusted.
•Two
snap
roll
buttons.
Aileron, elevator, and
rudder angle and direction can be freely adjusted.
•Throttle button. Throttle half can be freely
adjusted.
•Hook band is standard. Since this transmitter has
numerous accessories, hanging it from your neck
with this band makes operation easier.
•Buit-in
antenna. Locked when
pulled
up
one
stage.
stage.
•Human engineered exterior. Superior operability.
Receiver FP-R8J
•Module type. The frequency band and modulation
method
can be changed
with
one
touch,
the
same
as the transmitter.
•Eight
channels
packed
in a compact,
lightweight,
and rugged case.
•All
connectors
have
trouble-free, metal
plated
pins. Housing is also special and provides an excellent feeling. Resistance against vibration and
shock has been improved substantially.
•One-stage FET RF amplifier. Two signal characteristic is superb.
•Servos can be controlled without transmitting by
connecting the transmitter directly to a "C"
terminal.
FP-S121, FP-S121H and FP-S121G
servos
•Compact, lightweight, rugged.
•Powerful output torque (3kg-cm).
•Output
shaft
is
supported by
two
ball bearings
to
assure excellent neutral characteristics and ample
durability.
•Waterproof, dustproof type.
•Special 16/o micromotor.
•High-speed servo (FP-S121 H) is also available.
•Standard equipment includes two 8-channel,
6 servo landing gear servos (FP-S121G).
• SET CONTENTS AND RATINGS
Set name
Transmitter
Receiver
Servo
Landing gear servo
Switch
NiCd battery
Accessories
FP-8JN
FP-T8JNx1
FP-R8JX1
FP-S121x4
FP-S121Gx2
R4-SWJx1
NR-4Hx1
Charger, extension cord, landing gear adapter,
DSC cord, ribbon, horn, servo tray
Transmitter FP-T8JN
Operating system
Transmitting frequency
Modulation system
Power requirement
Current drain
: Two-stick, 8 channels
: 27MHz, 53MHz Bands
72MHz Band
:
AM or FM
Selectable by changing
modules.
: 9.6V 8/500mAH
: 150mA
Servo FP-S121
Control system
Operating angle
Power requirement
Current drain
Output torque
Dimensions
Weight
+ pulse width control
1520 uS.N
One-side 45° or greater
(including trim)
4.8V
8mA (when stopped)
3.0kg-cm
39.0 x 19.0 x 31.5mm
36g
Receiver FP-R8J
Receiving frequency
Intermediate frequency
Power requirement
Current drain
Dimensions
Weight
Receiving range
: 27MHz, 53MHz Bands
72MHz Band
Selectable by changing
modules.
:455kHz
:4.8V
:
16mA
: 49.0 x 42.0 x 24.0mm
:52g
: With FP-T8JN trans-
mitter
500m on the ground
1000m in the air
Servo FP-S121G
Control system
Operating angle
Power requirement
Current drain
Output torque
Dimensions
Weight
+ pulse width control
160° or greater
4.8V
8mA (when stopped)
3.5kg-cm
39.0 x 19.0 x 31.5mm
36g
: AC110V,50/60Hz,
4VA
: Tx side 9.6V 45mA
Rx side 4.8V 45mA
Charger FBC-2 or FBC-2L
Input voltage
Output
NiCd battery for receiver servo
NR-4H
Voltage
Dimensions
Weight
: 4.8V 4/500mAH
: 32.5 x 32.5 x 57.0mm
:
115g
• TRANSMITTER CONTROLS
Fig.1
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