To Open slide Cover
TRIGGER POSITION ADJUSTMENT
Install Batteries
To Close slide cover
1. Press down on the battery cover and slide
in the direction of the arrow to remove.
2. Install 8 pieces “AA” size alkaline batteries as
indicated on the battery tray. Make sure to match
the polarity (+ and -) as shown in the battery
compartment or the transmitter will not function.
3. Install the battery cover in place and slide to close.
The Throttle Trigger can be adjusted to
give you a more natural feel of the throttle.
WARNING: Improper installation of transmitter batteries
can cause serious damage to your system.
A
Throttle Trigger Set
Screw
To Adjust:
Throttle Trigger Adjustment screw
NOTE:
Trigger Set Screw must be
loosened before adjusting
1. Loosen the Throttle Trigger set screw
by turning counter clock-wise.
2. Turning the adjustment screw clock-wise
will move the trigger out or in the (A)
direction.
3. Turning the adjustment screw counter
clock-wise will move the trigger in or
towards the (B) direction.
4. After adjustment is made, re-tighten
the Trigger Set Screw.
5. Total adjustment for the trigger is 10mm.
Do Not over tighten adjustment screw,
it may damage the adjuster and or
the threads.
B
Throttle Trigger Position Gauge
AIRTRONICS
Get The Advantage
RECEIVER AND SERVO CONNECTIONS
Your MX-3S Computer R/C system receiver is NOT
equipped with BEC circuitry. DO NOT use more
than 6.0 volts to power the receiver. Anything higher
than 6.0 volts will burn-up or destroy your receiver.
Only use a 4.8~6.0 volt battery pack or a speed
controller that is designed to lower the voltage to
the receiver. The following diagram shows a typical
connection for the servos and receiver.
Note that the receiver antenna should be located at
least 2” (50mm) away from any servo leads and
switches. In electric cars, we recommend that it be
at least 4” (100mm) from the electric motor.
Extend the receiver antenna to the full length. Failure
to do so will cause loss of control. Do not cut or bend the
receiver antenna.
Insulate the connectors with tape or use tie wraps to
avoid contact with metal car chassis.
Please follow the model manufacturers recommendations
for the correct installation of your radio system in your
car or boat.
9
8
7
6
901
2
8
3
7
65 4
92926 75
Mhz
CHANNEL
SELECTOR
!
B/DSC
B/
DSC
Synthesized 3 CH. Receiver
BY SANWA
AA Dry Cell Battery Holder
Switch
FM 3
2
1
Mechanical Speed Controller
To Battery
#1
#2
#3
1. Make sure the batteries are properly installed and
fully charged. Make certain all the batteries are
installed in the correct direction.
2. Check that both the transmitter and receiver power
switches are in the ON position.
3. Check the battery voltage by turning on the transmitter
and pushing both menu bottons at the same time
and releasing.
4. Make sure that the proper frequencies are set on both
the transmitter and receiver.
5. Make sure all the receiver and servo connections
are tight.
When installing your MX-3S radio
system in your model, always
make sure to set your model on
a stand so the wheels are free
from any traction before turning
on your radio and or connecting
your motor for the first time.
WARNINGS:
DO NOT OPERATE YOUR SYSTEM IF SOMEONE
ELSE IS ON YOUR FREQUENCY AT THE SAME TIME.
901
2
8
3
7
65 4
92926 75
Mhz
9
8
7
6
To Battery
B/
DSC
FM 3
Synthesized 3 CH. Receiver
BY SANWA
2
1
#2
To Motor
Electronic Speed Controller
ESC
ESC
BATT
MODEL
79 75.770
SETUP
L
YOUR MODEL CAN CAUSE SERIOUS DAMAGE OR
INJURY SO PLEASE USE CAUTION AND COURTESY
AT ALL TIMES.
DO NOT EXPOSE THE RADIO SYSTEM TO WATER
OR EXCESSIVE MOISTURE.
R
MENU
+
INC / DEC
MHz
ST
MX-3S
-
DIGITAL CONTROL SYSTEM
PLEASE WATERPROOF THE RECEIVER AND SERVOS
BY PLACING THEM IN A WATER TIGHT RADIO BOX
WHEN OPERATING R/C BOAT MODELS.
IF YOU HAVE LITTLE OR NO EXPERIENCE OPERATING
R/C MODELS, WE STRONGLY RECOMMEND YOU SEEK
THE ASSISTANCE OF EXPERIENCED MODELERS OR
YOUR LOCAL HOBBY SHOP FOR GUIDANCE.
Synthesized
REGISTRATION NUMBER
The abbreviation, IC, before the registration number signifies that registration was performed based on a
Declaration of Conformity indicating that Industry Canada technical specifications were met. It does not
imply that Industry Canada approved the equipment.
RECEIVER CHANNEL SELECTION
Switch
TH D/R EPA ARC
MODEL SUB-T REV
H
L
AUX
CHANNEL
SELECTOR
Throttle
If your radio system does not operate properly, please
check the following items:
CAUTION
To Motor
Steering
TROUBLESHOOTING GUIDE and WARNINGS
By using the supplied screwdriver, you can set the channel number by turning the channel selector dial or dials, located
on the front of the receiver. The 75MHz receiver has two dials. The dial on the left can be set from 6~9 and the right dial
can be set from 0~9. For example, you what to set your receiver on channel 73. You first set the left dial to the number 7
and the right dial to the number 3. When using a 27MHz receiver, you can select channels 1~6.
Available 75Mhz Channels. 61~90
Available 27MHz Channels. 1~6
NOTE: The receiver power must be turned off first before changing channels.
3 Channel Computer
Radio System
®
MX-3S
TRANSMITTER BATTERY INSTALLATION
LCD DISPLAY SCREEN
MX-3S
ST
R
Servo Reverse
TH D/R EPA ARC
H MODEL SUB-T REV
NOR 5
L
L
Screen Display
Digital Trim indicators (throttle and steering)
Battery Fuel Tank
Dual Rate Steering
EPA
Steering, Throttle, AUX
ARC
Steering, Throttle
Model
Memory (18 )
Sub-Trim Steering, Throttle
Servo Rev Steering, Throttle, AUX
Battery
Voltage Display
Audio
On / Off
Weight:
Frequencies:
Receiver
Model:
92927Z (27 MHz) or
92926Z (75 MHz)
Modulation:
FM/PPM
Intermediate frequency: 455 KHz
Power supply:
DC 4.8 ~6.0V
Weight:
0.67 ounces
Dimensions:
1.65”(L) x 1.06”(W) x 0.57”(H)
AUDIO ON / OFF
ST TH
L
L
ST
R
L
5
ST
Arc
TH D/R EPA ARC
MODEL SUB-T REV
L
L
BATT
05
MODEL
ST
R
BATT
ST TH AUX
L 100 5
94102Z Heavy duty standard servo
DC 4.8 ~ 6.0V
1.54”(L) x 0.79”(W) x 1.42”(H)
1.59 ounces
0.16 sec. At 6.0V for 60 deg rotation
53 in/oz at 6.0V
L
Options
Transmitter NiCd Battery Pack ( 700mah )
NiCd Dual Battery Charger TX and RX
F3000 speed controller (no reverse)
Deluxe wrist strap
TH D/R EPA ARC
MODEL SUB-T REV
BATT
ST TH AUX
100 5
MODEL
%
L
R
ST
R -100
L 100
0
Wheel Movement
0
Wheel Movement
0
H -100
H 100
0
H 100
H 100
0
Trigger Movement
ARC Steering
0
Trigger Movement
ARC Throttle
Default
ST
TH
Antenna
0
0
Fully extend antenna before operating
Steering Dual Rate
Move lever left to increase and right to decrease
LCD Display
Digital Steering Trim
Digital Throttle Trim
Range 1 ~ 18
Channel 3 (AUX)
Power Switch
Power On Light
ST
TH
0
0
Frequency
Channel Number
TH D/R EPA ARC
H MODEL SUB-T REV
BATT
Range - 100 ~ 100
ST
NOTE: When audio sound is “ON”,
there will be no icon displayed in the
lower left of the display screen.
BATT
90 5
MODEL
%
L
R
ST
Default
100%
ST
100%
TH
100%
AUX
Press the left menu key to move the cursor to EPA. The screen
will now display AUX (L) or (R). By moving the AUX channel
lever, you will see the (L or R) change. EPA can be set for
ST: Range
both directions. To set TH, move trigger forward or back
TH-L: Range
TH-H: Range
to see (H or L). Move steering wheel to see (L or R)
AUX: Range
Steering Dual Rate
TH D/R EPA ARC
MODEL SUB-T REV
Accessories
97001Z switch harness
Frequency flag
Receiver dry battery holder
instruction manual
ST
R
H
L
L
MODEL
%
L
H
L 100
L -100
0
Default
Press the left menu key to move the cursor to ARC.
The screen will now display TH. Adjust the ARC by pressing
the (INC or DEC) key. Press the left menu key to adjust the
ST. (NOTE) Steering ARC will work in both left and right
directions. Throttle ARC only works in forward direction.
End Point Adjustment
TH D/R EPA ARC
MODEL SUB-T REV
1. Turn radio power switch to the off position
2. Press the INC key down and hold.
3. Turn power switch to the on position
Audio off icon
4. Release the INC key.
NOR
NOR
NOR
R -100
L 100
L 100
Power On Icon
MODEL
H
95046Z
95033Z
96317Z
99104
Press the left menu key to move the cursor to MODEL.
The screen will now display the model number you are
currently using. To change models, press the (INC or DEC)
key to select model 1 ~ 18.
MODEL
R
ST TH
ST
TH
AUX
L -100
0
Model Select
5
L
Default
R 100
Range +15 ~ -15
BATT
Channel Number
Frequency Number MHz
RF Power Icon
Channel Select Setup
Beep
To turn the audio sound on, repeat steps 1 ~ 4.
05
MODEL
H
Servo
Model:
Power supply:
Dimensions:
Weight:
Speed:
Torque:
Press the left menu key to move the cursor to the SUB-T
screen. The screen will now display TH. Adjust the sub-trim
by using the (INC or DEC) key. Press the left menu key to
display the ST and adjust using the (INC or DEC) key.
BATT
TH D/R EPA ARC
H MODEL SUB-T REV
Synthesized Screen Display
By default the audio sound beep is in the on position. This beep will sound out every time
you press any of the input or trim keys. You can turn the audio off by:
Audio off
icon
Sub Trim
TH D/R EPA ARC
MODEL SUB-T REV
H
SYSTEM SPECIFICATIONS
MX-3S
200 MW
FM/PPM
8 AA alkaline dry cells DC 12V or
8 cell NiCd Pack.
14.46 ounces
27 MHz (6) frequencies
75 Mhz (30) frequencies
MODEL
ST
R
SYSTEM FEATURES
Transmitter
Model:
Output power:
Modulation:
Power supply:
Press the left menu key to move the cursor to the REV
screen. The screen will now display AUX. Change the servo
direction by pressing (INC or DEC) key for the AUX channel.
By pressing the left menu key again, you can change the
TH and ST directions.
BATT
ST TH AUX
R 100
Servo Movement
V
L
Positive Throttle ARC
Slower servo movement
in center, faster after
ARC percentage
Negative Throttle ARC
Faster servo movement
in center, slower after
ARC percentage
Servo Movement
9.8 5
MODEL
L
Unique and functional pistol grip transmitter design
Well balanced for precise control
Non-slip foam steering wheel
Well placed digital trim levers
Optimum third channel switch location
Big LCD display
Adjustable (70/30) Throttle trigger
Low Battery warning
Quick access Synthesized Setup
High performance micro 3 channel receiver
High torque / high speed 94102Z servo
Receiver dry battery holder
Switch harness
NiCd charger jack in transmitter
Wrist strap holder (optional wrist strap part # 99104 )
Sound Beep ( On / Off )
High Intensity Blue Power Light
Channel and Frequency Display
Pressing both menu buttons simultaneously, will
automatically move the cursor to the battery voltage screen.
Low battery warning beep will come on when battery reaches
9.1V
BATT
Positive Steering ARC
Slower servo movement
in center, faster after
ARC percentage
Negative Steering ARC
Faster servo movement
in center, slower after
ARC percentage
Battery
TH D/R EPA ARC
MODEL SUB-T REV
H
Servo Movement
Please note that the MX-3S is designed for comfort and
precise control of all types of model cars and boats.
We wish you the best of success with your radio system.
Enjoy and have fun.
Servo Movement
We appreciate your purchase of this new Airtronics
MX-3S Synthesized Radio Control System.
These instructions are intended to familiarize you
with the many unique features of this modern, state
of the art equipment. Please read them carefully so
you may obtain maximum success and enjoyment
from its operation.
0% ~ 120%
0% ~ 160%
0% ~ 140%
0% ~ 150%
Menu Keys
R
Default
+
INC / DEC
MHz
ST
MENU
Wrist Strap Support
MX-3S
Frequency MHz
-
DIGITAL CONTROL SYSTEM
NiCd Charging Inlet
Increase / Decrease Keys
Trigger 70,30
SYNTHESIZED FREQUENCY CHANNEL SETUP
70% High, 30% Low. Adjustable
Your new MX-3S is a synthesized system. This system allows you to change frequency channels to any channel listed below. With the batteries
installed in the transmitter, the channel and frequency screen will always stay on. This will allow you to change the frequency channels without
having the transmitter power on. This feature allows you to safely change frequencies without interfering with others.
When the transmitter power is in the ON position, you can not change frequency channels.
1.
2.
3.
4.
5.
L
L
Press the left menu key to move the cursor to EPA.
ST
100%
The screen will now display ST. This will display your current
Steering Dual Rate setting. You can change this setting by
using the (INC or DEC) keys or, by moving the D/R lever located
above the steering wheel.
Range 0% ~ 120%
Changing Frequency Channels:
79 75.770
SETUP
27MHz Channels 1~6 OFF
75MHz Channels 61~90 OFF
Open the Setup switch cover door located on the right side of the Frequency Channel screen.
Press the Setup button down one time. The word SETUP will flash in the Frequency Channel screen.
Use the + INC / DEC - keys to select the frequency channel desired.
Press the Setup button down one time to end setup.
If safe, turn on the transmitter power switch first and then the power switch to the car or truck. Check to make sure everything is working
properly before starting your car or truck.
NOTE 1: When in the setup mode, press both + INC / DEC - keys together will default to CH 61.
NOTE 2: Using the OFF position in the Frequency Channel screen. By pressing the + INC key in the setup mode past Ch 90, you will see
OFF. By setting the Frequency Channel to the OFF position, you can now turn on the transmitter power switch to change models
or setting without transmitting a signal. When the power switch is in the ON position, the Power On icon and the Power on Light
will flash. This will indicate that you are not transmitting any signal. After you have changed your model number or settings, turn
the transmitter power off and go to step 1 to set the desired frequency channel
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