Radionics MX-3FG User manual

We appreciate your purchase of this new Airtronics Please note that the MX-3FG is designed for comfort and
MX-3FG Frequency Hopping Spread Spectrum precise control of all types of model cars and boats.
Radio Control System. We wish you the best of success with your radio system.
These instructions are intended to familiarize you Enjoy and have fun.
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.
( MX -3 F G FHSS !;! GHz )
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U . d f t. I. t I. t .tt d .Screen Display
nlque an unc lona piS o grip ransml er eslgn
Well balanced for precise control Digital Trim indicators (throttle and steering)
Non-slip foam steering wheel Battery Meter
Well placed digital trim levers Dual Rate Steering
Optimum third channel switch location EPA Steering, Throttle, AUX
Big LCD display ARC Steering, Throttle
Adjustable (70/30) Throttle trigger Model Memory (18 )
Low Battery warning Sub- Trim Steering, Throttle
Quick Binding and Fail Safe Setup Servo Rev Steering, Throttle, AUX
High performance micro 4 channel receiver Battery Voltage Display
NiCd charger jack in transmitter Audio On / Off
Wrist strap holder (optional wrist strap part # 99104 )
Sound Beep ( On / Off )
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Transmitter A.
ccessones
Model: MX-3FG
Output power: 100mW 97003Z switch harness
Power supply: 8 M alkaline dry cells DC 12V or Receiver dry battery holder
8 cell NiCd Pack. instruction manual
Weight: 15.31 ounces
Frequency: 2.4 GHz ISM Band O t"
VDUOns
95046Z Transmitter NiCd Battery Pack ( 700mah )
Receiver 95033Z NiCd Dual Battery Charger TX and RX
99104 Deluxe wrist strap
Model: 92624
Frequency: 2.4 GHz ISM Band
Power supply: DC 4.8 -6.0V
Weight: 9.5 grams
Dimensions: 1.03"(L) x 1.18"(W) x 0.62"(H)
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~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:
.1. Turn radio power switch to the off position THD/R~~
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2. Press the INC key down and hold. I§Am NOTE: When audio sound is "ON",
3. Turn power switch to the on position. .~~ THAuxi there will be no icon displayed in the
. ff 4. Release the INC key. Audio off Icon iST 1no5 lower left of the display screen.
Audio o ' IU .
icon Toturn the audio sound on, repeat steps 1 -4. ~ ,~,IT
NOTE: Even with the audio off, the transmitter will beep when powered on or off.

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~~ ilARC Battery'iI!Y!:!]REV, Pressing both menu buttons simultaneously, will
-5automatically move the cursor to the battery voltage screen.
' 9.8, Low battery waming beep will come on when battery reaches
'~.8T 9.1V
~ DIR~PAARC Servo Reverse ult
, IU8-TBArT Press the left menu key to move the cursor to the REV ST NOR
ST THAUX- screen. The screen will now display AUX. Change the servo TH NOR
NOR 5 direction by pressing (INC or DEC) key for the AUX channel. AUX NOR
.By pressing the left menu key again, you can change the
,~.8T TH and ST directions.
~~ EPAARC Sub Trim Default, REV
BArT Press the left menu key to move the cursor to the SUB- T ST 0
ST TH -5screen. The screen will now display TH. Adjust the sub-trim TH 0
a by using the (INC or DEC) key. Press the left menu key to
..~.8T display the ST and adjust using the (INC or DEC) ke}o: Range +15- -15
~ DIREPAilc Model Select
, .U8-TREV Press the left menu key to move the cursor to MODEL.
5 The screen will now display the model number you are Range 1-18
S currently using. To change models, press the (INC or DEC)
, .~.8T key to select model 1 -18.
~~ Arc Default, .U8-REV Press the left menu key to move the cursor to ARC.
ST TH The screen will now display TH. Adjust the ARC by pressing ST 0
5 the (INC or DEC) key. Press the left menu key to adjust the TH 0
.a ST. (NOTE) Steering ARC will work in both left and right
,~.8T directions. Throttle ARC only works in forward direction. Range- 100-100
~DIR .ARC End Point Adjustment Default
, U8'~ Press the left menu key to move the cursor to EPA. The screen ~~ ~~:
ST TH~~- will now display AUX (L) or (R). By moving the AUX channel AUX 100%
LlOO 5 lever, you will see the (L or R) change. EPA can be set for ST: Range 0% -120%
.both directions. To set TH move trigger forward or back TH.L: Range 0% -160%
.(H L) M h ' . h I (L R) TH-H: Range 0% -140"/0
.~.8T to see or. ovetesteenngweetosee or. AUX:RaneO%-150%
~ EPAII Steering Dual Rate Default
, REV Press the left menu key to move the cursor to EPA. .
ST ..The screen will now display ST. This will display your current ST 100%
5 Steering Dual Rate setting. You can change this setting by
, 90. using the (INC or DEC) keys or, by moving the DIR lever located
,~.8T above the steering wheel. Range 0% -120%
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After installing the FHSS Receiver, you are now ready to bind them together. Binding is the proses that will
match the FHSS Receiver to Transmitter electronically as a match set. You can bind additional Airtronics FHSS Receivers to
your Transmitter to operate many other cars, trucks andlor boats.
Throttle Fail Safe is a feature that will move the throttle servo to a preset position that you set. If no user preset is added,
the Fail Safe will set it-self to the neutral throttle position.
BINDING.
1. Turn the power switch to the ON position on the Transmitter.
Transmitter LED will turn on after 6 seconds.
2. Depress and hold the FHSS Receiver Binding button.
3. Turn the power switch to the ON position on the FHSS Receiver and continue holding the Binding button.
The FHSS Receiver LED will flash slowly.
4. Release the Binding button on the FHSS Receiver after 2 seconds.
5. Depress and hold the Binding button on the transmitter until the LED on the FHSS Receiver flashes rapidly
6. Binding is now complete. Both Transmitter and Receiver LED will now stay on.
7. Operete the controls to confirm.
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After binding of the Transmitter and Receiver, you can set the Throttle Fail Safe feature.
1. Turn the power switch to the ON position on the transmitter. Confirm Transmitter LED is on.
2. Turn the power switch to the ON position on the FHSS Receiver. Confirm FHSS Receiver LED is on.
3. Move controls to confirm connection between transmitter and receiver.
4. Move throttle lever to your desired Fail Safe position and hold.
NOTE: If the throttle lever is left in the neutral position, Fail Safe will be set at that position.
5. Depress the binding button on the FHSS Receiver for 4 seconds. LED will flash slow
6. Release the throttle lever after the receiver LED starts to flash rapidly, and discontinue pressing the Binding button on the receiver.
7. Confirm that the Throttle Fail Safe is working properly by turning the transmitter power switch OFF.The servo should move to the preset
fail safe position. Turn the transmitter power switch back on to confirm full control.

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Negative Steering ARC Positive Steering ARC Negative Throttle ARC Positive Throttle ARC
Slower servo movement Faster servo movement Slower servo movement Faster servo movement
in center, faster after in center, slower after in center, faster after in center, slower after
ARC percentage ARC percentage ARC percentage ARC percentage
~ ~ ~ ~
II ~-100 il ~100 Jlo ~ilo ~I ° j ° H-100 j H100
JI R-I00 JI RIOO II I JI
~ -0- ~ -0- H1OO"-o- H1OO"-o-
Wheel Movement Wheel Movement Trigger Movement Trigger Movement
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Steering Dual Rate
Move lever left to increase and right to decrease
Digital Steering Trim
Digital Throttle Trim
Po
LED
Menu K
er
Wrist Strap S
NiCd Charging Inlet
Increase / Decrease Keys
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To Open slide cover Install Batteries To Close slide cover
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1. Press down on the battery cover and slide WARNING: Improper installation of transmitter batteries
in the direction of the arrow to remove. can cause serious damage to your system.
2. Install 8 AA alkaline cells (or Ni-Cd, or Ni-MH) as
indicated inside the battery compartment. 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.
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Your MX-3FG Computer R/C system receiver is NOT to do so will cause loss of control. Do not cut or bend the
equipped with BEC circuitry. DO NOT use more receiver antenna.
than 6.0 volts to power the receiver. Anything higher Insulate the connectors with tape or use tie wraps to
than 6.0 volts will burn-up or destroy your receiver. avoid contact with metal car chassis.
Only use a 4.8-6.0 volt battery pack or a speed Please follow the model manufacturers recommendations
controller that is designed to lower the voltage to for the correct installation of your radio system in your
the receiver. The following diagram shows a typical car or boat.
connection for the. servos and receiver. NOTE: Position the receiver antenna vertically in your
Note that the receiver antenna should be located at car or boat to ensure the best signal reception under
lea.st 2" (50mm) a,,:,ay from any servo leads an.d the most diverse conditions.
switches. In electric cars, we recommend that It be
at least 4" (100mm) from the electric motor. NOTE: When installing the receiver in your car or truck
it is always a good idea to wrap your receiver in shock
Extend the receiver antenna to the full length. Failure absorbing foam.
Switch
ToBattery
ToMotor
ElectronicSpeedController E' .s' ~
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Jb dr When installing your MX-3FG
radio system in your model,
roller always make sure to set your
model on a stand so the wheels
ToBattery are free from any traction before
turning on your radio and or
connecting your motor for the
Steering Throttle AUX1 AUX2 ToMotor first time.

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The Throttle Trigger can be adjusted to
give you a more natural feel of the throttle-
rTo Adjust:
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.
Throttle Trigger Adjustment screw Do Not over tighten adjustment screw,
~Z~;~ Set Screw must be it may damage the adjuster and/or
rh loosened before adjusting the threads.
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If your radio system does not operate properly, please
check the following items: WARNINGS:
YOUR MODEL CAN CAUSE SERIOUS DAMAGE OR
1. Make sure the batteries are properly installed and INJURY SO PLEASE USE CAUTION AND COURTESY
fully charged. Make certain all the batteries are AT ALL TIMES.
installed in the correct direction.
2. Check that both the transmitter and receiver power DO NOT EXPOSE THE RADIO SYSTEM TO WATER,
switches are in the ON position. EXCESSIVE MOISTURE, HEAT, OR VIBRATION.
3. Check the battery voltage by turning on the transmitter
and pushing both menu bottons at the same time PLEASE WATERPROOF THE RECEIVER AND SERVOS
and releasing. BY PLACING THEM IN A WATER TIGHT RADIO BOX
4. Make sure all the receiver and servo connections WHEN OPERATING R/C BOAT MODELS.
are tight.
5. When binding or setting Fail Safe, make sure to wait IF YOU HAVE LITTLE OR NO EXPERIENCE OPERATING
10 seconds between turning the receiver off and R/C MODELS, WE STRONGLY RECOMMEND YOU SEEK
back on. If under 10 seconds, the receiver will will not THE ASSISTANCE OF EXPERIENCED MODELERS OR
bind properly with the transmitter. YOUR LOCAL HOBBY SHOP FOR GUIDANCE.
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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.
If 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.
Increase 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 technician for help.
This device complies with Part 15 of the FCC Rules and with RSS-210 of Industry Canada. Operation is subject to the following two conditions:
1. this device my not cause harmful interference, and
2. this device must accept any interference received, including interference that may cause undesired operation.
Warning: Changes or modifications made to this equipment not expressly approved by Airtronics may void the FCC authorization to
operate this equipment.
RF Exposure Statement
This transmitter has been tested and meets the FCC RF exposure guidelines when used with the Airtronics accessories supplied or
designated for this product, and provided at least 20 cm separation between the antenna and the user's body is maintained. Use of other
accessories may not ensure compliance with FCC RF exposure guidelines
670A12636A