AIRTRONICS MX-3X Operating Manual
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AIRTRONICS MX-3X Operating Manual

AIRTRONICS MX-3X Operating Manual

2.4ghz digital high respronse system
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  • Page 2: Table Of Contents

    Index ....................................Page 52 Packaging The packaging of your Airtronics MX-3X 2.4GHz FHSS-3 radio control system has been specially designed for the safe transportation and storage of the radio control system's components. After unpacking your radio control system, do not discard the packaging materials.

  • Page 3: Introduction

    The MX-3X 2.4GHz FHSS-3 radio control system has been designed for the utmost in comfort and precise control of all types of model cars and boats.

  • Page 4: Usage Precautions

    USagE PREcaUTiOnS In addition to the Safety and FCC Compliance sections on the previous page, please observe the following precautions when installing and using your new Airtronics MX-3X 2.4GHz FHSS-3 radio control system. 2.4gHz FREqUEncY BanD PREcaUTiOnS The 2.4GHz frequency band may be used by other devices, or other devices in the immediate area may cause interference on the same frequency band.

  • Page 5: Features And Specifications

    (40.4 x 21.1 x 26.4mm) Weight: 2.33oz (66gr) Weight: 1.77oz (50gr) Both analog and digital servos will work with your MX-3X 2.4GHz FHSS-3 radio control system. To get the most out of your experience, we recommend the use of digital servos. Page 5...

  • Page 6: Features Familiarization

    FEaTURES FaMiLiaRizaTiOn FEaTURES DiagRaMS Use the diagrams below and on the next page to familiarize yourself with the different system controls on your new MX-3X 2.4GHz FHSS-3 transmitter and 92744 receiver. Descriptions of these features can be found on page 8.
  • Page 7 FEaTURES FaMiLiaRizaTiOn Back Power Switch Wrist Strap Anchor Charging Jack Throttle Trigger Adjustment Lock Screw Throttle Trigger Adjustment Indicator LEFT Power Switch Charging Jack 'Z' Connector - = Negative (Black) + = Positive (Red) S = Signal (Blue) Antenna Bind LED Coaxial Cable Reception Wire Bind Button...

  • Page 8: Features Descriptions

    Charging Jack: Used for onboard charging of the optional 6 cell 2200mAh Ni-MH battery. Do not attempt to charge Alkaline batteries. Only the recommended Airtronics 110v AC charger should be used through the Charging Jack. If using an after-market Peak charger or other type of fast charger, the battery should be removed from the transmitter to avoid damage to the transmitter circuitry.

  • Page 9: Tx And Rx Options And Connections

    TRanSMiTTER BaTTERY OPTiOnS The MX-3X 2.4GHz FHSS-3 transmitter's Nominal Input Voltage is 4.8v ~ 7.2v. This means that the transmitter can be used with several different battery types, depending on your preference. Alkaline - In the default configuration, the transmitter is designed to be powered using 4 'AA' Alkaline batteries (not included).

  • Page 10: Using The Optional 6 Cell Ni-Mh Battery And 110V Ac Charger

    Charging the Optional 6 Cell 2200mAh Transmitter Battery The MX-3X 2.4GHz FHSS-3 transmitter features a Charging Jack located below the Wrist Strap Anchor, allowing you to recharge the optional 6 cell 2200mAh Ni-MH battery without removing it from the transmitter. Use ONLY the recommended optional Airtronics 110v AC charger OE-156C.

  • Page 11: Warnings If Using A Li-Po Or Li-Fe Transmitter Battery

    Tx anD Rx OPTiOnS anD cOnnEcTiOnS waRningS iF USing a Li-PO OR Li-FE TRanSMiTTER BaTTERY Use ONLY a 2 Cell Li-Po or Li-Fe battery pack of desired capacity. DO NOT uSE A 3 CELL LI-PO OR LI-FE BATTERY PACK or the transmitter will be damaged. Do NOT charge your battery through the transmitter using the Charging Jack.

  • Page 12: Lcd And Programming Keys

    LcD anD PROgRaMMing kEYS The MX-3X 2.4GHz FHSS-3 transmitter features four Programming Keys that are used to facilitate transmitter programming. The four Programming Keys consist of two MENU Keys (Right and Left), one +/INC (Increase) Key, and one DEC/- (Decrease) Key.

  • Page 13: Programming Key Shortcuts

    LcD anD PROgRaMMing kEYS PROgRaMMing kEY SHORTcUTS The Programming Keys can be used to change important information displayed in the Programming Window. The information that can be displayed will vary depending on what menu you're currently in and/or what is currently displayed in the Programming Window.

  • Page 14: Menu Flow Chart

    MEnU FLOw cHaRT The Menu Flow Chart shows the different menus that are available for programming your transmitter. The default setting when the transmitter is turned ON the very first time is the PROGRAMMING menu with the Digital Voltage Indicator displayed. When the transmitter is subsequently turned ON, the last screen displayed when the transmitter was turned OFF will be displayed.

  • Page 15: Transmitter And Receiver Binding

    ON. If this occurs, perform the Binding process again. The MX-3X 2.4GHz FHSS-3 radio control system uses FHSS-3 technology, however, the transmitter is compatible with both FHSS-3 and FHSS-2 Airtronics 2.4GHz receivers. To bind the transmitter to an Airtronics FHSS-2 2.4GHz receiver (available separately), the transmitter Modulation Type must first be changed to FH2.

  • Page 16: Programming Menu

    [ [ P ROgRaMMing MEnU To enter the PROGRAMMING menu, turn the transmitter ON. when the transmitter is turned ON the very first time is the PROGRAMMING menu with the Digital Voltage Indicator displayed. When the transmitter is subsequently turned ON, the last screen displayed when the transmitter was turned OFF will be displayed.

  • Page 17: End Point Adjustment

    [ [ P ROgRaMMing MEnU Adjusting Steering Dual Rate 1) Press the Right or Left MENU key to highlight the D/R menu. ST 100% will be displayed in the Programming Window. 2) Press the +/INC or DEC/- keys to increase or decrease the Steering Dual Rate percentage value.
  • Page 18 [ [ P ROgRaMMing MEnU Adjusting Steering End Point Adjustment, Continued..1) Press the Right or Left MENU key to highlight the EPA menu. ST L 100% or ST R 100% will be displayed in the Programming Window depending on the last position of the steering wheel. 2) To set the Right Steering End Point Adjustment percentage value, turn and HOLD the steering wheel to the right.
  • Page 19 [ [ P ROgRaMMing MEnU Adjusting Throttle End Point Adjustment, Continued..3) To set the Throttle Brake End Point Adjustment percentage value, push and HOLD the throttle trigger forward. B 100% will be displayed. Press the +/INC or DEC/- keys to increase or decrease the amount of throttle servo travel in the Brake direction.
  • Page 20 [ [ P ROgRaMMing MEnU ExP - ExPOnEnTiaL The Exponential function allows you to vary the amount of servo travel in relation to the movement of the steering wheel and the throttle trigger near the neutral positions to change the way the steering, throttle, and brake react to control movement.

  • Page 21: Servo Speed

    [ [ P ROgRaMMing MEnU Adjusting Throttle High Exponential, Continued..2) Press the +/INC or DEC/- keys to increase or decrease the Throttle High side Exponential percentage value. Decreasing the Throttle High Exponential percentage value will make the throttle less sensitive around neutral and increasing the Throttle High Exponential percentage value will make the throttle more sensitive around neutral.
  • Page 22 [ [ P ROgRaMMing MEnU Adjusting Steering Speed - Forward and Return to Center, Continued..2) Press the +/INC or DEC/- keys to decrease the Steering Speed Forward percentage value. Decreasing the Steering Speed Forward percentage value will cause the steering servo transit time to slow down in the Forward direction.

  • Page 23: Auxiliary Programming

    [ [ P ROgRaMMing MEnU aUx - aUxiLiaRY PROgRaMMing The Auxiliary Programming function allows you to select, program, then use several different Mixes and other options specific to Auxiliary Channel 3. These include Point Auxiliary, Dig, Burn, Brake Mixing, and more.
  • Page 24 [ [ P ROgRaMMing MEnU Auxiliary Channel 3 ON-OFF, Continued..2) To control Auxiliary Channel 3, move the Auxiliary Lever UP (HIGH) and DOWN (LOW). When you move the Auxiliary Lever UP, HIGH will momentarily displayed in the Programming Window and the Auxiliary Channel 3 servo will travel to its High position. When you move the Auxiliary Lever DOWN, LOW will momentarily be displayed in the Programming Window and the Auxiliary Channel 3 servo will travel to its Low position.
  • Page 25 [ [ P ROgRaMMing MEnU Choosing the Number of Points, Continued..2) Press the +/INC or DEC/- keys to choose the number of Points you would like to program. You cannot choose fewer than 2 Points. AUX-P setting range is 2 to 6. The default setting is 6. Choosing Point Values 1) Move the Auxiliary Lever to the ON position (pushed UP).
  • Page 26 [ [ P ROgRaMMing MEnU S_ aUx - STEP aUxiLiaRY The Step Auxiliary function allows you to program Auxiliary Channel 3 to move in defined Step amounts throughout its entire range of travel. Step values can be defined, then you can move the Auxiliary Channel 3 servo in those Step amounts, using either the TRM switch or by pressing the +/INC and DEC/- keys.
  • Page 27 [ [ P ROgRaMMing MEnU Activating and using the Step Auxiliary Function, Continued..2) Press the +/INC or DEC/- keys to move the Auxiliary Channel 3 servo Right or Left by the defined Step value. In addition, Auxiliary Channel 3 servo travel in one direction can also be changed by pressing the Right MENU key. Step Auxiliary servo travel is -100 to 100 and overrides End Point Adjustments programmed through the EPA menu.
  • Page 28 [ [ P ROgRaMMing MEnU Choosing the Steering Channel Option 1) From within the 4WS menu, press the Right MENU key. ST1 will be displayed in the Programming Window. 2) Press the +/INC or DEC/- keys to choose the desired Steering Channel option, either ST1 or ST2.
  • Page 29 [ [ P ROgRaMMing MEnU TRM Switch Assigning Auxiliary Channel 3 Steering Servo Trim to the TRM Switch 1) The ST-TRIM switch affects only the Right and Left trimming of the Channel 1 Steering servo. If desired, you can independently control the Right and Left trimming of the Auxiliary Channel 3 Steering servo.
  • Page 30 [ [ P ROgRaMMing MEnU Choosing the Throttle Channel Option, Continued..Two Throttle Channel options are available as described below: TH1 - Exponential and Servo Speed settings affect Channel 1 Throttle servo only. TH2 - Exponential and Servo Speed settings affect both Channel 1 and Auxiliary Channel 3 Throttle servos equally. Regardless of choice, Auxiliary Channel 3 Throttle servo Exponential and Servo Speed are not adjustable separately.
  • Page 31 [ [ P ROgRaMMing MEnU Changing Power Distribution If desired, the Power Distribution between the Front Throttle and the Rear Throttle can be adjusted to suit your particular setup by adjusting the Throttle High End Point Adjustment for each Throttle. For example, you could adjust the Front Throttle for 100% and the Rear Throttle for 70%.
  • Page 32 [ [ P ROgRaMMing MEnU Choosing the Throttle Channel Option, Continued..Two Throttle Channel options are available as described below: TH1 - Exponential and Servo Speed settings affect Channel 2 Throttle Brake Side only. TH2 - Exponential and Servo Speed settings affect both Channel 2 and Auxiliary Channel 3 Throttle Brake Sides equally. Regardless of choice, Auxiliary Channel 3 Throttle servo Brake Side Exponential and Servo Speed are not adjustable separately.

  • Page 33: Fail Safe

    [ [ P ROgRaMMing MEnU Choosing the Master Channel and Steering and Throttle Channel Options, Continued..2) Press the +/INC or DEC/- keys to choose the desired Master Channel and that specific Channel option. The Master channel is the channel you would like to Mix with Auxiliary Channel 3. For example, if your monster truck features dual Front steering servos, choose ST1 or ST2.
  • Page 34 [ [ P ROgRaMMing MEnU 1) Press the Right or Left MENU key to highlight the F/S menu. ST FREE will be displayed in the Programming Window. 2) From within the F/S menu, press the Right MENU key to display TH FREE. 3) Press the +/INC or DEC/- keys to set the desired Fail Safe option for the Throttle channel.

  • Page 35: Servo Sub-Trim

    [ [ P ROgRaMMing MEnU 3) Press the +/INC or DEC/- keys to set the desired Receiver Battery Fail Safe Voltage. VOLTAGE setting range is 3.5v to 5.0v. The default value is INH (Inhibited) The receiver will operate down to 2.5 volts, however, the minimum operating voltage of most servos is higher than that.
  • Page 36 [ [ P ROgRaMMing MEnU Adjusting the Throttle Sub-Trim Throttle Trim Switch 1) Set the Throttle Trim to '0' using the TH-TRIM switch. Push the TH-TRIM switch forward to increase Throttle Trim in one direction and pull the TH-TRIM switch back to increase Throttle Trim in the opposite direction.

  • Page 37: Servo Reversing

    [ [ P ROgRaMMing MEnU Adjusting the Auxiliary Channel 3 Sub-Trim, Continued..3) Press the +/INC or DEC/- keys to adjust the Auxiliary Channel 3 Sub-Trim value to center the servo horn. SUB-T AUX setting range is 100H to 100L. The default setting is 0. After adjusting the Auxiliary Channel 3 Sub-Trim value, use the End Point Adjustment function to reset the desired amount of servo travel in both directions.

  • Page 38: Model Select

    [ [ P ROgRaMMing MEnU Changing Auxiliary Channel 3 Servo Reversing 1) From within the REV menu, press the Right MENU key to highlight AUX NOR. 2) Press the +/INC or DEC/- keys to change the direction of Auxiliary Channel 3 servo travel. REV-AUX setting range is NOR and REV.

  • Page 39: Setup Menu

    The Modulation Type function allows you to choose the transmitter Modulation Type. The Modulation Type can be changed to match the receiver you're using. For example, if you wish to use an Airtronics 2.4GHz FHSS-2 receiver with your transmitter, you would need to change the Modulation Type to FH2 prior to Binding your transmitter and receiver.

  • Page 40: Binding

    ON. If this occurs, perform the Binding process again. The MX-3X 2.4GHz FHSS-3 radio control system uses FHSS-3 technology, however, the transmitter is compatible with both FHSS-3 and FHSS-2 Airtronics 2.4GHz receivers. To bind the transmitter to an Airtronics FHSS-2 2.4GHz receiver (available separately), the transmitter Modulation Type must first be changed to FH2.

  • Page 41: Trim Switch Assign

    SETUP MEnU Transmitter and Receiver Binding, Continued..4) Press the +/INC key a second time. PUSH DEC will flash. Press the DEC/- key once. BIND will be displayed in the Programming Window, the LCD and the Power Indicator Light will flash, then the Bind LED on the receiver will turn solid indicating the Binding process is complete.

  • Page 42: Trim Step Resolution

    SETUP MEnU Assigning TRM Switch Functions, Continued..2) Press the +/INC or DEC/- keys to display the desired Auxiliary function you would like to control with the TRM switch. TRM setting range is D/R, TH_HI, TH_BR, 3C_HI, 3C_LO, 3_SUB, P_AUX, AND S_AUX. The default setting is D/R.

  • Page 43: Model Naming

    SETUP MEnU Changing Steering and Throttle Trim Step Resolution, Continued..2) Press the +/INC key. ST S 5 will be displayed in the Programming Window. 3) Press the +/INC or DEC/- keys to choose the desired Trim Step Resolution value for the Steering Trim Switch.
  • Page 44 SETUP MEnU Naming Your Model, Continued..2) Press the Right or Left MENU key to highlight the AUX menu. NAME will be displayed in the Programming Window. 3) Press the +/INC or DEC/- keys once to enter the Model Naming screen. The cursor will flash in the lower left corner of the Programming Window and the current Model Name will be displayed.

  • Page 45: Model Clear

    SETUP MEnU M_ c LR - MODEL cLEaR The Model Clear function allows you to reset the selected model's Programming Data to the default values. All model-specific Programming Data is reset. Transmitter-specific Programming Data, such as Audible Key Tone, Inactivity Alarm, and Battery Cell Count are not reset. Clearing Model Programming Data 1) Before clearing your Model Programming Data, use the Model Select function to choose and load the Programming Data for the particular model number (1~18) that you would like to clear...

  • Page 46: Inactivity Alarm

    SETUP MEnU Activating or Inhibiting Audible Key Tones, Continued..2) Press the +/INC or DEC/- keys to select ACT (Active) or INH (Inhibit). When set to ACT, an Audible Tone will sound when a Programming Key or a Trim Switch is pressed. When set to INH, no Audible Tone will sound when a Programming Key or a Trim Switch is pressed.
  • Page 47 SETUP MEnU Choosing the Battery Cell Count If you're using an optional rechargeable battery pack, to ensure that there are no issues when selecting the Battery Cell Count, you should first fully-charge your battery before installing it into the transmitter and choosing the Battery Cell Count. 1) Press the Right or Left MENU key to highlight the MODEL menu.

  • Page 48: Troubleshooting Guide

    TROUBLESHOOTing gUiDE This troubleshooting guide has been provided to help you diagnose and solve most problems that you may encounter with your MX-3X 2.4GHz FHSS-3 radio control system. Most problems encountered can be solved by following the problem-cause-solution sections. If you cannot solve the problem using this troubleshooting guide, please contact us using the information on the back cover of this Operating Manual.

  • Page 49: Glossary Of Terms

    Used for onboard charging of the optional 6 cell 2200mAh Ni-MH battery. Do not attempt to charge Alkaline batteries. Only the recommended Airtronics 110v AC charger should be used through the Charging Jack. If using an after-market Peak charger or other type of fast charger, the battery should be removed from the transmitter to avoid damage to the transmitter circuitry.
  • Page 50 OF TERMS FH2 Modulation: Frequency Hopping 2nd generation FHSS technology. FH2 Modulation is used in legacy Airtronics 2.4GHz FHSS-2 transmitters and receivers, such as the Airtronics M11, M11 FHSS-2, and MX-3FG radio control systems. FH3 Modulation: Frequency Hopping 3rd generation FHSS technology. FH3 Modulation is used in new-generation Airtronics radio control systems.
  • Page 51 gLOSSaRY OF TERMS Receiver Battery Voltage Fail Safe: Used to set a custom voltage that the Receiver Battery Fail Safe function will Activate at. When your receiver battery voltage drops to the programmed voltage, the throttle servo will move to the predetermined position as described in step 4 above.

  • Page 52: Index

    inDEx Symbols 2.4GHz Frequency Band, Precautions 4 +/INC Key, Overview 12 Activate, Definition of 49 Alarms. See Inactivity Alarm See Low Voltage Alarm Antenna - Receiver, Orientation of 4 Antenna Reception Wire - Receiver, Definition of 8, 49 Antenna Reception Wire - Receiver, Diagram of 7 Antenna - Transmitter, Definition of 8, 49 Antenna - Transmitter, Diagram of 6 Antenna - Transmitter, Orientation 4...
  • Page 53 inDEx End Point Adjustment, Definition of 49 End Point Adjustment, Overview 17 End Point Adjustment - Steering, Adjusting 17 End Point Adjustment - Throttle, Adjusting 18 Exponential, Definition of 49 Exponential, Overview 20 Exponential - Steering, Adjusting 20 Exponential - Throttle Brake, Adjusting 21 Exponential - Throttle High, Adjusting 20 Fail Safe, Definition of 49 Fail Safe, Options 33...
  • Page 54 inDEx Modulation Type, Choosing 39 Modulation Type, Overview 39 Motor on Axle Mixing, Activating and Using 30 Motor on Axle Mixing, Assigning Auxiliary Channel 3 Throttle Servo Trim to TRM Switch 30 Motor on Axle Mixing, Changing Power Distribution 31 Motor on Axle Mixing, Choosing Throttle Options 29 Motor on Axle Mixing, Definition of 50 Motor on Axle Mixing, Overview 29...
  • Page 55 inDEx Servo Sub-Trim - Throttle, Adjusting 36 Servos, Using Analog and Digital 5 Setup Menu, Accessing 39 Setup Menu Icon, Definition of 51 Setup Menu Icon, Diagram of 12 Setup Menu, Menu Options 14 Specifications, Transmitter and Receiver 5 Steering Dual Rate, Assigning to TRM Switch 17 Steering Dual Rate, Centering the Steering Servo and Wheels 16 Steering Dual Rate, Definition of 51 Steering Dual Rate, Overview 15...
  • Page 56 Airtronics is Distributed Exclusively in North America by: Global Hobby Distributors 18480 Bandilier Circle Fountain Valley, CA 92708 Telephone: (714) 963-0329 Fax: (714) 964-6236 Email: service@airtronics.net http://globalservices.globalhobby.com http://www.airtronics.net Features and Specifications are Subject to Change Without Notice. All contents © 2009 Airtronics, Inc.

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