AIRTRONICS M12 User Manual
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AIRTRONICS M12 User Manual

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M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE
User's Guide
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  • Page 1 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE User's Guide...

  • Page 2: Table Of Contents

    Glossary of Terms ............................................Page 101 Index ...................................................Page 106 Additional Airtronics 2.4GHz FH2, FH3, FH4 and FH4T surface receivers* can be purchased and paired with the M12 transmitter. Due to differences in the implementation of 2.4GHz technology among different manufacturers, only Airtronics brand 2.4GHz surface receivers are compatible with your radio control system.

  • Page 3: Service And Support

    Fax: 1-714-964-6236 Fountain Valley, CA 92708 Email: service@airtronics.net If you made your purchase outside of North America, please contact your regional Airtronics/Sanwa agent for service and support. SAFETY GENERAL This is a high-output, full-range radio control system that should well exceed the range needed for any surface Model. For safety, the user should perform a range test at the area of operation to ensure that the radio control system has complete control of the Model at the farthest reaches of the operational area.

  • Page 4: Ghz Frequency Band Precautions

    Model. SERvO CONNECTORS GENERAL The receiver uses Airtronics 'Z' connectors, which are electronically compatible with the servos of other radio control system manufacturers. The connectors are rugged, but should be handled with care. - = Negative (Black)

  • Page 5: System Features

    • Servo Speed Adjustment • Adjust for Right-Handed or Left-Handed Use • Anti-Lock Braking *Requires Airtronics RX-461, RX-462 or Other Airtronics FH4T Telemetry Receiver, Available Separately wHAT'S INCLUDED? GENERAL In addition to the transmitter, receiver and on/off switch, a number of optional items are included to customize the transmitter to your exact liking.

  • Page 6: Transmitter Overview Diagrams

    M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE TRANSMITTER OvERvIEw DIAGRAMS GENERAL Use the diagrams in this section to familiarize yourself with the layout of your transmitter. Descriptions of these features can be found in the Transmitter and Receiver Overview Diagram Descriptions section on pages 8 ~ 9.
  • Page 7 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE TRANSMITTER OvERvIEw DIAGRAMS GENERAL PC-Link Input (Under Cover) Charge Jack Switch Trm5* Switch Sw3* LEFT SIDE vIEw *For Left-Handed Use Battery Compartment Push-Button Rotary Dial (Up/Down/Enter Key) Racing Mode LED LED1 LED2...

  • Page 8: Receiver Overview Diagram, Connections And Mounting

    Use the diagrams in this section to make receiver connections and to familiarize yourself with the RX-471 4-Channel 2.4GHz FH4 Super Response receiver included with your M12 radio control system. Descriptions of the features can be found in the Transmitter and Receiver Features Descriptions section below and on the next page.
  • Page 9 LCD Screen: The heart of the programming and display features of the transmitter. All programming and transmitter display functions are shown on the LCD Screen. The M12 features a large, backlit LCD Screen with smooth scrolling. PC-Link Input: When used with an USB cable with a Mini USB connector (available separately), the PC-Link Input allows you to save Telemetry Data Logs and Model Programming Data to your PC.
  • Page 10 TRANSMITTER wARNING ALARMS AND LED CONDITION INDICATORS GENERAL The M12 is equipped with several different Audible Warning Alarms to warn you of an abnormal transmitter condition. In addition, LED1, LED2 and the R-MODE LED are used to indicate various transmitter conditions at a glance.

  • Page 11: Transmitter Battery Options

    TRANSMITTER bATTERY OpTIONS GENERAL The M12 transmitter's Operating Voltage Range is 4.0 ~ 9.6 volts. This allows you to use several different battery options (not included), depending on your preference. Alkaline - In the default configuration, the transmitter is designed to be powered using four 'AA' Alkaline batteries. This results in a transmitter that is lightweight and well-balanced for unmatched comfort.

  • Page 12: Steering Wheel And Throttle Trigger Spring Tension Adjustment

    M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE STEERING wHEEL AND THROTTLE TRIGGER SpRING TENSION ADjUSTMENT GENERAL The spring tension of the Steering Wheel and Throttle Trigger can be adjusted to best suit the user. Some users may prefer the Throttle Trigger and/or Steering Wheel to feel 'firmer' and some users may prefer them to feel 'softer'.

  • Page 13: Optional Steering Wheel Installation

    M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE OpTIONAL STEERING wHEEL INSTALLATION GENERAL An optional larger diameter Steering Wheel is included to best suit the user. Some user's feel that the larger diameter Steering Wheel makes the Steering operation seem finer.

  • Page 14: Throttle Trigger Position Adjustment

    M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE THROTTLE TRIGGER pOSITION ADjUSTMENT GENERAL The position of the Throttle Trigger can be adjusted forward or backward to change the feel of the Throttle Trigger during use. Some users may prefer the Throttle Trigger positioned farther forward and some users my prefer the Throttle Trigger positioned farther back.
  • Page 15 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE OpTIONAL STEERING wHEEL ANGLE pLATE INSTALLATION GENERAL Two optional Steering Wheel angle plates (one Right and one Left) are included that angles the position of the Steering Wheel and Trim Switch assembly. Some users may find that angling the Steering Wheel to the Right or Left may be more comfortable during use.

  • Page 16: Driving Position Adjustment

    The position of the Steering Wheel can be switched from the Right side to the Left side to accommodate Left-handed drivers. This makes the M12 much more comfortable for natural Left-handed drivers to use. To change the driving position for Left-handed use, follow the steps below: 1) Using a 2.5mm hex wrench, remove the three socket cap screws (A) that hold the display...

  • Page 17: Display Screens Overview

    BACK Key STATUS screen. DISpLAY SCREENS OvERvIEw GENERAL In the default configuration, when you turn the M12 transmitter ON, the transmitter will start-up and display the BOOT screen temporarily, then display the STATUS screen. STATUS Screen BOOT Screen BOOT Screen: The BOOT screen is displayed when the transmitter is turned ON. The BOOT screen can be disabled. For more information, see the BOOT Menu section on page 56.
  • Page 18 Use the SELECT switch to switch between ALL and LAP, ST, TH, RPM, VOLT, TMP1 and TMP2 pages. Telemetry integration requires the use of an Airtronics 2.4GHz FH4T Telemetry-capable surface receiver, such as the RX-461 or RX-462. Steering and Throttle Output and Lap Times can still be viewed when used other types of receivers.
  • Page 19 GENERAL The M12 features four main menus that are accessed from the STATUS screen. Each of the four main menus include a number of different Programming Menus. The four main menus consist of the SYSTEM menu, the SETUP menu, the RACING menu and the CUSTOM menu.

  • Page 20: Main Menus Overview

    M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE MAIN MENUS OvERvIEw GENERAL The four main menus described in the previous section all share the same basic layout as illustrated below. Use this information to familiarize yourself with the layout and the information presented.

  • Page 21: Telemetry Screen Overview

    TELEMETRY pages, see the LOG SETUP Menu section on pages 48 ~ 56. Telemetry integration requires the use of an Airtronics 2.4GHz FH4T Telemetry-capable surface receiver, such as the RX-461 or RX-462. Steering and Throttle Output and Lap Times can still be viewed when used other types of receivers.
  • Page 22 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE TELEMETRY SCREEN OvERvIEw GENERAL TELEMETRY Screen Overview Diagram Descriptions, Continued..Numerical Telemetry Data: Displays the Telemetry Data in a numerical format. Page Indicator: Indicates the current Page within the Telemetry Data Stream that Telemetry Data is currently being displayed on.

  • Page 23: Transmitter And Receiver Binding

    The M12 transmitter features a Safety Link function that is used to program a unique code to each receiver/Model pair, preventing the transmitter from controlling a Model that it's not currently programmed for. The Safety Link function is compatible only with FH4 or FH4T receivers.

  • Page 24: System Menu Overview

    PG. 48 BOOT MENU Change Transmitter Start-Up Behavior PG. 56 USER NAME Change the Name Displayed Above the M12 Logo on the STATUS Screen PG. 56 PC-LINK Save Telemetry Logs, Save and Load Model Programming and Update Firmware PG. 58...

  • Page 25: Model Menu

    M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE TYpE MENU { CAR TYpE TEMpLATES } SYSTEM Choosing a Car Type, Continued: 2) Press the ENTER key to open the TYPE menu. The cursor will default to CAR TYPE > I.
  • Page 26 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE MODEL MENU { SELECT, NAME, COpY, CLEAR AND SORT } SYSTEM Selecting a Model, Continued: 2) Press the ENTER key to open the MODEL menu. The SELECT menu will be highlighted and the currently Selected Model will be displayed in brackets at the top of the Model Select List.
  • Page 27 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE MODEL MENU { SELECT, NAME, COpY, CLEAR AND SORT } SYSTEM Entering a Model Name, Continued..3) Press the ENTER key to open the NAME menu. The underscore will be positioned under the first character in the Model Name.
  • Page 28 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE MODEL MENU { SELECT, NAME, COpY, CLEAR AND SORT } SYSTEM Copying Model Programming Data, Continued..3) Press the ENTER key to open the COPY menu. The currently Selected Model will be displayed in brackets above the Model Copy List.
  • Page 29 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE MODEL MENU { SELECT, NAME, COpY, CLEAR AND SORT } SYSTEM Model Sort The Model Sort function allows you to change how your Models are displayed in the Model Select List by allowing you to swap the currently Selected Model with other Models.
  • Page 30 The Modulation Type function allows you to choose the transmitter Modulation Type. The Modulation Type should be changed to match the receiver you're using. For example, if you use an Airtronics 2.4GHz FH3 surface receiver with your transmitter, you would need to change the Modulation Type to FH3. The Modulation Type should be chosen prior to Binding the transmitter and receiver pair.
  • Page 31 Model. For example, using the SHR setting with Digital servos will Increase the servo's response time, even above the manufacturer's stated specification. If you're using Airtronics SRG Digital servos, you can use the SSR setting for the fastest response time. The combination of using Digital servos and using the correct Servo Operating Mode value results in the ultimate...
  • Page 32 SHR and SSR Servo Operating Modes should only be used with Digital servos. While the SHR Servo Operating Mode can be used with any brand of Digital servo, the SSR Servo Operating Mode should ONLY be used with Airtronics SRG Digital servos.
  • Page 33 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE ASSIGN MENU { SwITCH, DIAL AND LEvER FUNCTION ASSIGNMENTS } SYSTEM The ASSIGN menu allows you to Assign different functions to each of the three Push-Button Switches, the five Trim Switches, the Auxiliary Dial and the Auxiliary Lever.
  • Page 34 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE ASSIGN MENU { SwITCH, DIAL AND LEvER FUNCTION ASSIGNMENTS } SYSTEM Changing the Push-Button Switch Function Assignments, Continued..5) Press the ENTER key, then scroll UP or DOWN to choose the desired function for the Switch and Function Number you highlighted.
  • Page 35 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE ASSIGN MENU { SwITCH, DIAL AND LEvER FUNCTION ASSIGNMENTS } SYSTEM Changing the Trim Switch Function Assignments: 1) From within the SYSTEM menu, scroll UP or DOWN to highlight the ASSIGN menu.
  • Page 36 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE ASSIGN MENU { SwITCH, DIAL AND LEvER FUNCTION ASSIGNMENTS } SYSTEM Changing the Trim Switch Direction of Travel: The direction that the Trim Switches move the servos or function values can be changed from Normal to Reverse. In Normal mode, the Trim Switches will move the servos toward the High Side or Increase function values when the Trim Switches are pushed Forward.
  • Page 37 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE ASSIGN MENU { SwITCH, DIAL AND LEvER FUNCTION ASSIGNMENTS } SYSTEM Changing the Auxiliary Dial Step Value, Continued: 1) From within the DIAL menu, scroll UP or DOWN to highlight DIAL [STEP] > 5.
  • Page 38 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE ASSIGN MENU { SwITCH, DIAL AND LEvER FUNCTION ASSIGNMENTS } SYSTEM Changing the Auxiliary Lever High and Low Tweak Values: The High and Low Tweak values both determine how far and in which direction the Auxiliary Lever controls the function Assigned to it when the Auxiliary Lever is moved Up and Down, regardless if the Auxiliary Lever is controlling a servo, such as Auxiliary Channel 2 or a function parameter, such as Steering Trim.
  • Page 39 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE bUZZER MENU { AUDIbLE kEY TONES AND ALARMS } SYSTEM Changing the Audible Tones: 1) From within the SYSTEM menu, scroll UP or DOWN to highlight the BUZZER menu. 2) Press the ENTER key to open the BUZZER menu. CLICK [TONE1] > 1 will be highlighted.
  • Page 40 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE vIbRATOR MENU { vIbRATION ALERTS AND ALARMS } SYSTEM Turning Vibration Functions ON and OFF: 1) From within the SYSTEM menu, scroll UP or DOWN to highlight the VIBRATOR menu. 2) Press the ENTER key to open the VIBRATOR menu. POWER > OFF will be highlighted.
  • Page 41 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE LCD MENU { DISpLAY OpTIONS } SYSTEM Changing the LCD Contrast, Continued..2) Press the ENTER key to open the LCD menu. CONTRAST > 15 will be highlighted. 3) Press the ENTER key, then scroll UP or DOWN to choose the desired Contrast value.
  • Page 42 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE AUx TYpE MENU { AUxILIARY CHANNEL OpERATING MODE } SYSTEM The Operating Mode of Auxiliary 1 and Auxiliary 2 can be changed to suit your specific requirements. The following Operating Modes are available: NOR - When Selected, the Auxiliary channel(s) operate as Normal proportional linear channels, like the Throttle or Steering channels.
  • Page 43 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE TRIM TYpE MENU { SERvO TRIM TYpE } SYSTEM The Trim Type function allows you choose the way servo Trim and servo End Point Adjustments interact with each other. When you apply Trim to a servo, the Neutral Point of the servo shifts toward the High Side or the Low Side. When you do this, the servo travels less in one direction and more in the other direction because the servo End Points are stationary.

  • Page 44: Vr Adjust Menu

    M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE TH TYpE MENU { THROTTLE bIAS RATIO } SYSTEM Two Throttle Types are available: F70:B30 - When Selected, the Throttle Neutral Point is shifted toward the Brake Side which provides more High Side servo travel and less Brake Side servo travel. This is most common for general use and racing.
  • Page 45 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE vR ADjUST MENU { vARIAbLE RATE ADjUSTMENT } SYSTEM The steps required to calibrate the operation of the Steering Wheel, Throttle Trigger and Auxiliary Lever are the same. The example shown in this section details calibrating the Steering Wheel.
  • Page 46 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE vR ADjUST MENU { vARIAbLE RATE ADjUSTMENT } SYSTEM Calibrating the Steering, Throttle and Auxiliary Lever Controls, Continued..7) Slowly move the Steering Wheel( or Throttle Trigger or Auxiliary Lever) all the way in one direction.
  • Page 47 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE bATT MENU { LOw vOLTAGE ALERT AND LIMIT ALARMS } SYSTEM Changing the Low Voltage Alert Alarm Value: The Low Voltage Alert alarm will sound to indicate the transmitter batteries are getting low and should be replaced or recharged.
  • Page 48 In addition, when only the DISPLAY is turned ON using the DISPLAY key, the M12 can be placed in Receiver Mode, allowing it to Bind with another Airtronics FH3 or FH4T transmitter and read Telemetry Data from it. For example, if using an FH4T transmitter like the MT-4, MT-4 Telemetry Data can be viewed on the M12 TELEMETRY screen, or, if using an FH3 transmitter like the MX-3X or M11X that doesn't support Telemetry, Steering and Throttle Output Data can still be viewed on the M12 TELEMETRY screen.
  • Page 49 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE LOG SETUp MENU { TELEMETRY DISpLAY AND RECORDING OpTIONS } SYSTEM Changing the RPM Unit Value: 1) From within the SYSTEM menu, scroll UP or DOWN to highlight the LOG SETUP menu.
  • Page 50 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE LOG SETUp MENU { TELEMETRY DISpLAY AND LOGGING OpTIONS } SYSTEM Calibrating the RPM Sensor - Changing the Ratio Value, Continued..The Ratio value is the gear ratio between the two gears that the RPM sensor is mounted to. For example, if the RPM sensor is mounted to your spur gear, the Ratio value will be the gear ratio of your spur gear and pinion gear.
  • Page 51 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE LOG SETUp MENU { TELEMETRY DISpLAY AND LOGGING OpTIONS } SYSTEM Receiver battery Low voltage Telemetry Data Display and Alert Alarm Options The VOLT menu allows you to change the way receiver battery Voltage information is displayed on the TELEMETRY screen ALL and VOLT pages and when the receiver battery Low Voltage Alert alarm sounds.
  • Page 52 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE LOG SETUp MENU { TELEMETRY DISpLAY AND LOGGING OpTIONS } SYSTEM Temperature 1 and Temperature 2 Telemetry Data Display and Alert Alarm Options The TEMP1 and TEMP2 menus allow you to change the way Temperature information is displayed on the TELEMETRY screen ALL and TEMP1 and/or TEMP2 pages, and when the Temperature Alert alarm sounds.
  • Page 53 Telemetry Logger. To use this feature, first Bind your other transmitter to its receiver, then place the M12 in Receiver Mode and Bind it to your other transmitter. With your other transmitter turned ON and operating your Model, you can use the M12 in DISPLAY mode to view Telemetry data from the other transmitter.
  • Page 54 M12 transmitter. 8) Press the BACK key, first on the M12 transmitter, then on your other transmitter, to complete the Binding process. The Bind LED on your other transmitter should illuminate solid and both LED1 and LED2 on the M12 transmitter should be extinguished.
  • Page 55 4) Press the ENTER key. The ST POINT menu will be displayed and NEUTRAL POINT > 127 will be highlighted. 5) With your other transmitter turned ON and paired with the M12 transmitter, do the following: A) Center the other transmitter's Steering Wheel, then press the ENTER key on the M12 transmitter.
  • Page 56 SYSTEM The User Name function allows you to enter a User Name that is displayed on the STATUS screen, just above the M12 logo. This allows you to actually Name or otherwise personalize your transmitter. The User Name can consist of up to 14 letters, numbers or symbols.
  • Page 57 5) When you return to the STATUS screen, your User Name will be displayed above the M12 Logo on the Left side of the screen. If the User Name is Left blank, the Airtronics logo will be displayed in its place.
  • Page 58 The Model Save function allows you to Save the currently Selected Model's Programming Data to your PC, either for archiving or for sharing with other M12 users. For example, you can Save your current Model's Programming Data to your PC, then share the file with a friend or fellow driver.
  • Page 59 7) Click the Start button on the PC-Link Manager software and allow the Data Transfer to complete. Once completed, EXECUTED will be displayed on the M12 and The Operation Was Completed will be displayed on your PC. Loading Model programming Data The Model Load function allows you to Load Model Programming Data from your PC onto your transmitter.
  • Page 60 7) Click the Start button on the PC-Link Manager software and allow the Data Transfer to complete. Once completed, EXECUTED will be displayed on the M12 and The Operation Was Completed will be displayed on your PC. Updating Transmitter Firmware version The Update function allows you to Update the transmitter's Firmware to the latest version available.

  • Page 61: Setup Menu Overview

    M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE INFORMATION MENU { FIRMwARE vERSION AND ON-TIME } SYSTEM The INFORMATION menu allows you to view the transmitter's current Firmware version, in addition to the transmitter's cumulative On-Time in Hours and Minutes.
  • Page 62 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE EpA MENU { CHANNEL END pOINT ADjUSTMENTS } SETUp The End Point Adjustment function allows you to adjust servo travel in each direction. This makes it possible to balance servo travel in both directions and set the maximum desired amount of servo travel. For example, on a gas-powered Model, if you pull the Throttle Trigger and the carburetor does not open completely, you can Increase the Throttle High End Point Adjustment so that the carburetor opens completely.
  • Page 63 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE SUb TRIM MENU { SERvO CENTERING } SETUp The Sub-Trim function allows you to correct the Neutral Trim setting for the Steering, Throttle, Auxiliary 1 and Auxiliary 2 channels, making it possible to center the Trim Switches while ensuring the servo horns remain centered.
  • Page 64 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE REv MENU { SERvO REvERSING } SETUp The Servo Reversing function allows you to electronically switch the direction of servo travel. For example, if you rotate the Steering Wheel to the Right, and the Steering servo moves to the Left, you can use the Servo Reversing function to make the Steering servo move to the Left.
  • Page 65 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE pOINT AUx1 MENU { AUxILIARY 1 pOINT vALUES } SETUp Changing the Auxiliary 1 Point Values, Continued..2) Press the ENTER key to open the POINT AX1 menu. The cursor will default to P1 >...
  • Page 66 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE pOINT AUx2 MENU { AUxILIARY 2 pOINT vALUES } SETUp Changing the Auxiliary 2 Point Values, Continued..3) Scroll UP or DOWN to highlight the desired Point value you would like to change.
  • Page 67 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE MOA MIx MENU { MOTOR ON AxLE MIxING } SETUp Choosing the Motor on Axle Power Distribution Values, Continued..The following Motor on Axle Mixing options can be programmed by changing the Power Distribution values: OFF (Balanced) - When set to 100:100 or other balanced value, power will be evenly distributed between the Front and Rear motors.
  • Page 68 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE 4wS MIx MENU { FOUR wHEEL STEERING MIxING } SETUp Choosing the Four Wheel Steering Mixing Options, Continued..2) Press the ENTER key to open the 4WS MIX menu. The last Four Wheel Steering Mixing option Selected will be highlighted.
  • Page 69 Some users may find that the Response Time is in some cases too fast, therefore, we've made it adjustable to suit the driver's driving style, Car Type and track conditions. The Feeling function works not only with Airtronics FH4T and FH4 receivers, but also with FH3 and FH2 receivers as well. Changing Steering and Throttle Response Time Values: 1) From within the SETUP menu, scroll UP or DOWN to highlight the FEELING menu.
  • Page 70 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE F / S { FAIL SAFE } SETUp Changing the Fail Safe Settings: 1) From within the SETUP menu, scroll UP or DOWN to highlight the F/S menu. 2) Press the ENTER key to open the F/S menu. ST > FREE will be highlighted.
  • Page 71 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE b - F / S { RECEIvER bATTERY vOLTAGE FAIL SAFE } SETUp Choosing the Receiver Battery Voltage Value, Continued..2) Press the ENTER key to open the B-F/S menu. VOLT (RX) > OFF will be highlighted.
  • Page 72 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE LAp TIMER MENU { vIEw LAp TIMES AND CHOOSE LAp TIMER OpTIONS } SETUp Setting the Goal Time: When the Lap Timer is counting Up, a long audible Tone will sound when the Goal Time is reached. For example, if you set the Goal Time value for 5 Minutes, a long audible Tone will sound when the Lap Timer reaches 5 minutes.
  • Page 73 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE LAp TIMER MENU { vIEw LAp TIMES AND CHOOSE LAp TIMER OpTIONS } SETUp Stopping the Lap Timer: 1) To Stop the Lap Timer, press and HOLD the Lap Timer Switch for 3 seconds. An audible Double-Tone will sound and LAP [STOPPED] will be displayed momentarily in a pop-up window, indicating the Lap Timer is stopped.

  • Page 74: Racing Menu Overview

    M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE INT1 AND INT2 MENU { INTERvAL 1 AND INTERvAL 2 TIMERS } SETUp Choosing the Optional Throttle Trigger Start, Continued..1) From within the INT1 menu, scroll UP or DOWN to highlight START >...
  • Page 75 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE RACING MENU OvERvIEw RACING The following Programming Menus are available within the RACING menu: MENU MENU DESCRIPTION PAGE # OFFSET Turn Throttle Offset ON or OFF and Choose Throttle Offset Options PG. 85...
  • Page 76 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE R-MODE MENU { RACING MODE } RACING Turning Separate Functions ON and OFF: When Racing Mode is turned ON (R-MODE > ACT), various functions can be programmed the same for all five Racing Modes or they can be programmed independently, allowing you to have different function Programming Values for each of the five Racing Modes.
  • Page 77 Trim Switch, you can still Trim the Auxiliary 1 channel from within the TRIM menu. The M12 features Digital Trim Memory. Any amount of Trim that you set during use using the Trim Switches or through the TRIM menu is automatically stored in memory for that specific channel and for that specific Model. The Trim values for each Model will automatically be loaded when the transmitter is turned ON.
  • Page 78 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE TRIM MENU { SERvO TRIM } RACING Before changing the Trim values, you should first verify that all Trim values are set to 0, then adjust the servo Sub-Trim values to center the servo horns perfectly. For more information, see the SUB TRIM Menu section on page 63.
  • Page 79 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE CURvE MENU { ExpONENTIAL, ADjUSTAbLE RATE CONTROL AND CURvE } RACING Choosing the Channel and the Curve Type: 1) From within the RACING menu, scroll UP or DOWN to highlight the CURVE menu.
  • Page 80 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE CURvE MENU { ExpONENTIAL, ADjUSTAbLE RATE CONTROL AND CURvE } RACING Adjustable Rate Control programming The Adjustable Rate Control (ARC) function allows you to vary the amount of servo travel in relation to the movement of the Steering Wheel and Throttle Trigger (or in some cases, the Auxiliary Dial and/or the Auxiliary Lever) near the Neutral positions to change the way those functions react to control movement.
  • Page 81 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE CURvE MENU { ExpONENTIAL, ADjUSTAbLE RATE CONTROL AND CURvE } RACING Changing the Rate Percentage Value: The Rate percentage value determines the amount and type of ARC, either Quick, Mild or Linear (see diagram on the previous page).
  • Page 82 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE CURvE MENU { ExpONENTIAL, ADjUSTAbLE RATE CONTROL AND CURvE } RACING Choosing the Channel and the Curve Type, Continued..2) Press the ENTER key to open the CURVE menu. The < ST > channel will be Selected.
  • Page 83 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE SpEED MENU { SERvO SpEED } RACING Choosing the Channel, Continued..2) Press the ENTER key to open the SPEED menu. The < ST > channel will be Selected. 3) Press the SELECT switch RIGHT or LEFT to choose the desired channel you would like to program the Servo Speed function for.
  • Page 84 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE ALb MENU { ANTI-LOCk bRAkING } RACING The Anti-Lock Braking function makes it possible to achieve stable Braking even on a slippery surface. With stable Braking, your Model is better able to trace an exact line under Braking. When the Anti-Lock Braking function is turned ON, the Throttle servo will pulse when you apply Brake.
  • Page 85 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE ALb MENU { ANTI-LOCk bRAkING } RACING Changing the Point Percentage Value: The Point percentage value determines the position along the length of Brake Side servo travel that the Anti-Lock Braking function Activates at when turned ON.
  • Page 86 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE OFFSET MENU { THROTTLE OFFSET } RACING When the Throttle Offset function is turned ON, [OFFST] ON will be momentarily displayed in a pop-up window, LED1 will flash and an Audible Alarm will sound until the Throttle Offset function is turned OFF.
  • Page 87 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE bR-MIx MENU { DUAL bRAkE MIxING } RACING The Brake Mixing function allows you change the Brake Bias between the Front and Rear Brakes and is used primarily with 1:5th scale gas-powered Models that use separate Brake servos, although one of the separate Brake servos can be the Brake Side of the Throttle servo, such as when Car Type III is Selected.
  • Page 88 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE TH-HLD MENU { THROTTLE HOLD } RACING So that the Throttle Hold function can be turned ON and OFF while you're driving, it must first be Assigned to a Push-Button Switch. For more information, see the Push-Button Switch Assignments section on pages 33 ~ 34. When turned ON and OFF, [TH-HOLD] ACT or [TH-HOLD] INH will be displayed momentarily in a pop-up window.
  • Page 89 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE C-MIx1 AND C-MIx2 MENU { COMpENSATION MIxING 1 AND COMpENSATION MIxING 2 } RACING The Compensation Mixing function is used to create your own custom Mixes that allow you to control any number of desired functions in different combinations.
  • Page 90 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE C-MIx1 AND C-MIx2 MENU { COMpENSATION MIxING 1 AND COMpENSATION MIxING 2 } RACING The table below shows the Channel Output Data of each Master channel. This is the Data that will be duplicated on the Slave channel when Compensation Mixing is turned ON.
  • Page 91 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE C-MIx1 AND C-MIx2 MENU { COMpENSATION MIxING 1 AND COMpENSATION MIxING 2 } RACING Changing the Rate 1 and Rate 2 Percentage Values: The Rate percentage values determine the amount and direction of Slave channel servo travel. Use a Positive or Negative percentage value to change the amount and direction of Slave channel servo travel.
  • Page 92 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE ACkER MENU { ACkERMAN ANGLE ADjUSTMENT } RACING The Ackerman function allows you to change the Steering angle of the Front tires independently to prevent the tires from slipping during turns. Being able to change the Ackerman Angle can help improve your Model's high-speed cornering and improve tire wear.
  • Page 93 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE R-DLY MENU { RACING MODE DELAY } RACING Changing the Racing Mode Delay Percentage Values, Continued..2) Press the ENTER key to open the R-DLY menu. CH1 > 0% will be highlighted.

  • Page 94: Custom Menu Overview

    M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE CUSTOM MENU OvERvIEw CUSTOM To access the CUSTOM menu, turn the transmitter ON, then press the SELECT switch to highlight the CUSTOM menu. Press the ENTER key to open the CUSTOM menu. The CUSTOM menu features the CH-SET menu and any other favorite Programming Menus you've added.
  • Page 95 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE ADDING AND REMOvING FAvORITE MENUS CUSTOM Many Programming Menus can be Added to the CUSTOM menu quickly and easily. This allows you to store and then access your most-used Programming Menus all in one place within the CUSTOM menu.

  • Page 96: Telemetry Connections And Mounting

    TELEMETRY CONNECTIONS AND MOUNTING REFERENCE When used with an Airtronics 2.4GHz FH4T Telemetry-capable surface receiver, such as the RX-461 or RX-462, and up to two Temperature Sensors and an RPM Sensor (all available separately), Telemetry Data, such as RPM or Speed, Temperature, and Receiver Voltage can be viewed on the M12 transmitter's TELEMETRY screen.

  • Page 97: Troubleshooting Guide

    This troubleshooting guide can help you diagnose and solve some of the more common problems that you may encounter with your radio control system. If you cannot solve the problem using this troubleshooting guide, please contact Airtronics Customer Service using the information in the Service and Support section on page 3.
  • Page 98 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE pRObLEM CAUSE SOLUTION Inadequate transmitting range Low transmitter battery voltage Replace or recharge transmitter battery Replace or recharge receiver batteries Low receiver battery voltage Receiver antenna not mounted correctly Mount receiver antenna as recommended...
  • Page 99 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE RACING MODE FUNCTIONS bY CAR TYpE REFERENCE The table below shows the available Racing Mode functions by Car Type and channel. TYPE TYP I TYP II TYP III TYP IV TYP V...
  • Page 100 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE TRIM SwITCH, AUxILIARY DIAL AND AUxILIARY LEvER FUNCTIONS REFERENCE The tables below shows the functions that can be Assigned to one of the five Trim Switches, the Auxiliary Dial or the Auxiliary Lever.

  • Page 101: Glossary Of Terms

    Programming Menu separately. Charge Jack: Used for onboard charging of optional Ni-Cd or Ni-MH batteries. Only the recommended Airtronics 110v AC charger should be used through the Charge Jack. If using an after-market Peak-Detection charger or other type of fast charger, the batteries should be removed from the transmitter to avoid damage to the transmitter circuitry and/or your batteries.
  • Page 102 Some users may find that the Response Time is in some cases too fast, therefore, it's adjustable to suit the driver's driving style, Car Type and track conditions. 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.
  • Page 103 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE GLOSSARY OF TERMS REFERENCE Inactivity Alarm: This alarm will sound if the transmitter is Left on for a period of 10 minutes without any control input from the user. This alarm alerts you to prevent unwanted draining of the transmitter battery.
  • Page 104 SSR Servo Mode: When used with Airtronics SRG Digital servos, this will provide the fastest response time. This results in the ultimate feel and response, making you feel more in control of your Model than ever. Use only with Airtronics SRG Digital servos! Status Screen: Displays information about the transmitter and is the base from which you access other Programming Menus.
  • Page 105 Wrist Strap Anchor Slot: Used to attach the wrist strap anchor to the transmitter. Z-Connector: The type of servo and battery connector used by Airtronics. The Z-Connector is a universal connector which is electronically compatible with the airborne components of other radio control system manufacturers.

  • Page 106: Index

    M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE INDEx REFERENCE Symbols 2.4GHz Frequency Band Precautions 4 Ackerman Angle, Changing the Ackerman Angle Percentage Values 92 Ackerman Angle, Definition of 101 Ackerman Angle, Overview 92 Activate, Definition of 101 Adjustable Rate Control, Changing the Point Value 80...
  • Page 107 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE INDEx REFERENCE Battery - Receiver, Warning if Using Li-Po or Li-Fe 8 Battery -Transmitter, Charging Options 11 Battery - Transmitter, Installation 11 Battery - Transmitter, Options 11 Battery - Transmitter, Warnings if Using Li-Po or Li-Fe 11...
  • Page 108 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE INDEx REFERENCE Current Programming Menu, Diagram of 20 Cursor Indicator, Definition of 21, 102 Cursor Indicator, Diagram of 21 Curve. See Point Curve See also Exponential See also Adjustable Rate Control Custom Menu, Adding Favorite Programming Menus 95...
  • Page 109 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE INDEx REFERENCE Four Wheel Steering, Controlling 68 Four Wheel Steering Mixing, Choosing Options 67 Four Wheel Steering Mixing, Definition of 102 Four Wheel Steering Mixing, Overview 67 Goal Time, Definition of 102...
  • Page 110 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE INDEx REFERENCE Low Voltage Alert Alarm, Alert Value Tables 46 Low Voltage Alert Alarm, Changing the Low Voltage Alert Alarm Value 47 Low Voltage Alert Alarm, Definition of 103 Low Voltage Alert Alarm, Overview 10...
  • Page 111 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE INDEx REFERENCE ON/OFF Switch. See Power Switch On-Time Indicator, Definition of 19, 103 On-Time Indicator, Diagram of 18 On-Time, Resetting the On-Time 61 Operating Voltage, Definition of 103 Operating Voltage Range, Transmitter Specification 5...
  • Page 112 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE INDEx REFERENCE Racing Mode Indicator, Diagram of 18 Racing Mode LED. See Racing Mode, Active Racing Mode LED Color Table See also LED Condition Indicators Racing Mode LED, Definition of 9, 104...
  • Page 113 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE INDEx REFERENCE Setup Menu, Overview 61 SHR Servo Mode. See Servo Operating Mode SHR Servo Mode, Definition of 104 Speed Display, Diagram of 21 Speed Gauge, Diagram of 21 SSR Servo Mode. See Servo Operating Mode...
  • Page 114 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE INDEx REFERENCE Telemetry - Receiver Mode, Enabling Receiver Mode 53 Telemetry - Receiver Mode, Overview 53 Telemetry Screen, Definition of 105 Telemetry Screen, Overview 21 Telemetry Signal Indicator, Definition of 105 Telemetry, Turning ON and OFF 31...
  • Page 115 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE INDEx REFERENCE Trim Type, Changing the Trim Type 43 Trim Type, Overview 43 Troubleshooting Guide 97 Tweak, Definition of 105 User Name, Definition of 105 User Name, Deleting a Character 57 User Name, Deleting the User Name 57...
  • Page 116 M12 2.4GHZ FH4T RADIO CONTROL SYSTEM USER'S GUIDE Airtronics is Imported 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.

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