RadioMaster TX12 Instruction Manual
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TX12
Instruction manual
Version:1.0
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Mohammed mawda
April 8, 2025

what's the function of switch SE in radiomaster tx12 mk2 ELRS ?

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1 comments:
Mr. Anderson
April 9, 2025

The function of switch SE in the RadioMaster TX12 MK2 ELRS is not specified in the provided context.

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Владимир
February 21, 2025

Добрый вечер, подскажите какая батарейка таблетка в самом пульте. Перестал включаться

1 comments:
Mr. Anderson
February 21, 2025

The RadioMaster TX12 remote control uses 2x 3.7V Li-ion 18650 batteries or 2x 3.7V Li-poly batteries (2S 7.4V LiPo battery pack). It is not compatible with LiFe battery packs or 18650 lithium-ion batteries with a nominal voltage of 3.6V to 4.10V.

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Денис
March 1, 2025

Добрый день! Подскажите, если радиомастер тх 12 идет как EU, его можно перевести в FCC ?

Summary of Contents for RadioMaster TX12

  • Page 1 TX12 Instruction manual Version:1.0...
  • Page 2: Table Of Contents

    WWW.RADIOMASTERRC.COM TABLE OF CONTENTS 1. Overview ..................Error! Bookmark not defined. 1.1. Introduction ..............Error! Bookmark not defined. 1.2. Safety instructions ............Error! Bookmark not defined. 1.3. Manual and Firmware download ....... Error! Bookmark not defined. 1.4. Important note on firmware ........Error! Bookmark not defined. 1.5.
  • Page 3 4.2.3 RADIO SETUP Instructions ................24 4.2.4 GLOBAL FUNCTIONS instructions ............... 25 4.2.5 TRAINER instructions ..................25 4.2.6 HARDWARE ......................25 4.2.7 VERSION ........................ 26 4.3. Model selection ......................26 4.3.1. Create model and model selection ............26 4.4. Model settings(Model Setup) ................27 4.4.1 Model settings ....................
  • Page 4: Overview

    Do not operate the TX12 radio control system under the following conditions: • Under severe weather or strong wind conditions, such as rain, hail, snow, storm or harsh electromagnetic environmental conditions.
  • Page 5: Manual And Firmware Download

    1.3. Manual and Firmware Download The TX12 comes pre-installed with standard OpenTX firmware. To download the latest software manual, visit the RadioMaster website: https://www.radiomasterrc.com To download the latest firmware for your TX12 radio control, visit the OpenTX website: https://www.open-tx.org 1.4. Important note on firmware.
  • Page 6 Never charge your device unattended. Always charge in a safe area away from flammable materials. If the radio control gets wet or damaged in any way, do not charge it. RadioMaster is not responsible for any adverse consequences caused by using or misusing this device.
  • Page 7: Note About This Guide

    1.7. Note about this guide. This guide covers basic information about your radio. OpenTX software is very powerful and has a large number of programming and mixing functions. Please visit the site below for a comprehensive software installation guide for more detailed instructions https://www.open-tx.org 1.8.
  • Page 8: Warranty And Repair

    1.9. Warranty and Repair If you experience any problems with your radio-control hardware, please keep proof of purchase and contact the retailer where you purchased TX12. Also visit https://www.radiomasterrc.com/ for technical support or to find a repair agent in your region.
  • Page 9: Opentx Companion Software(Opentx Companion

    2. OpenTX Companion software (OpenTX Companion) The OpenTX Companion radio control support software is used for many different tasks, such as loading OpenTX firmware to the radio, backing up model settings, editing model settings, and running the radio simulator. You can run OpenTX Companion software on multiple computer platforms. OpenTX Companion software supports common systems such as Windows, Mac OS X, and Linux.
  • Page 11 At this point, the OpenTX Companion software installation is complete. Please continue to follow the instructions below to continue setting the software to match the RadioMaster TX12 radio controller:...
  • Page 12: Use Companion Software To Update Radio Firmware

    After the above settings are completed, click the firmware download button to download the firmware. Note: The RadioMaster TX12 radio control is pre-installed with stable and reliable OpenTX firmware when it leaves the factory. If there is no special need, please do not update the firmware unnecessarily.
  • Page 13 Before writing the firmware for the first time, you need to replace the STM32 BOOTLOADER driver to ensure that the OpenTX Companion software can recognize this hardware type and write the firmware correctly. The replacement method is as follows: Download the latest version of the universal driver replacement software Zadig.exe from https://zadig.akeo.ie/ A.
  • Page 14 At this point, the firmware of the radio control is successfully written. Unplug the USB-C (TYPE-C) and proceed to the first boot procedures.
  • Page 15: First Boot

    3. First boot Press and hold the power button to boot. Before entering the main interface, the system will check the position of the throttle stick and switch and other startup conditions. If the startup conditions are not met, there will be a corresponding error prompt.
  • Page 16 SD card warning: If the SD card file version used does not match the radio controller firmware version, this warning will appear. The figure requires 2.3V0026 version (the SD card content needs to be updated when upgrading the firmware). First page: Below is an example of the default first page of the system, you can customize the display elements in the page as required.
  • Page 17: Battery Voltage Calibration

    3.1. B. Scroll to RADIO SETUP, and enter the battery level range in the battery meter range as shown below. C. On the current page, turn the scroll wheel to find Battery low (low voltage alarm), and fill in the alarm voltage as shown below. When the radio-control voltage is lower than the current set voltage, the system will play a voice alert and report that the battery voltage is low.
  • Page 18: Gimbal Calibration

    3.2. Calibrating Gimbals Each TX12 is calibrated in the QC process however due to varying shipping conditions we suggest to calibrate your radio before first use. A. In the system settings, scroll to the HARDWARE page, select the Calibration item, and press OK to enter the settings.
  • Page 19 D. For the third step, move all the gimbals, knobs, and side sliders of to their respective maximum and minimum positions. The system will record the maximum and minimum values. After all the above steps are completed, press Enter key to complete the calibration, and the system automatically returns to the previous page.
  • Page 20: Default Gimbal Mode And Channel Output Order

    Mode(Gimbal mode) Because the channel input order of the built-in multi-protocol transmitting module of the RadioMaster TX12 radio control is AETR, in the Default channel order option, be sure to select the AETR order The Mode (gimbal mode) can be selected according to your personal...
  • Page 21: Radio Menu

    4. Radio menu 4.1. Main interface The default startup screen is as follows. The user can modify the content to be displayed to customize the main interface. The main interface can display the following information: Model name, TX voltage, gimbal/switch position and trim location. Scroll to show the channel position, values and channel monitor 4.1.1.
  • Page 22: Telemetry Quick Access

    4.1.2. Telemetry quick-access By pressing TELE from the main interface, vital telemetry information can be quickly displayed. Radiomaster has set two values- Time and Batt (system battery voltage) as defaults; these values can be changed by the user- displaying up to 4 values 4.2.
  • Page 23: Sd Card Instructions

    4.2.2 SD CARD SD card page. In this page, you can view the contents of the SD card, and quickly set the startup screen, model pictures, and the function of flashing the built-in / external module firmware from firmware files loaded on to the SD Card.
  • Page 24: Radio Setup Instructions

    4.2.3 RADIO SETUP The radio-control setup page, this page is the basic functions of the radio control and the settings in the default parameters of the radio control.
  • Page 25: Global Functions Instructions

    4.2.4 GLOBAL FUNCTIONS This page can customize various global functions. Global functions are similar to special functions in model parameters, but global functions are shared by all model, while functions in model parameters are only used by the current model. 4.2.5 TRAINER Trainer aka Coach function page.
  • Page 26: Version

    4.2.7 VERSION On this page, you can view the radio controller hardware type, OpenTX firmware version, and the functional items included in the current firmware. 4.3. Model selection 4.3.1. Create model and model selection In the main interface, press and hold the ENT key to show the menu Select to enter the model selection page, which is used to select, create, switch, delete and copy models.
  • Page 27: Model Settings(Model Setup

    4.4. Model settings (Model Setup) 4.4.1 Model settings(Model setup)...
  • Page 28 Model Setup Detailed options: Model name:Enter your model name here. Model image:You can select a picture file as the model logo in the BMP folder of the SD card. Pictures can be viewed using the SD card manager. Timer1-3: Up to 3 fully programmable timers that can count up or down. Timer is always on Timer always on once throttle is not all the way down Timer on when throttle is not all the way down...
  • Page 29 Extended trims:Fine-tuning extension, allowing fine-tuning to cover the entire gimbal range, instead of ± 25% Display trims:Modify the precision of the fine-tuning step. The accuracy can be modified according to actual requirements. Throttle:Throttle related settings Reverse:Throttle reverse : Throttle operation source (input source), because the throttle trigger Source timer is used, such as the THs function, it is usually set to the throttle channel instead of the gimbal, so that the throttle lever operation triggers the timer...
  • Page 30: Flight Mode

    Internal RF:Built-in wireless RF module, built-in 4in1 multi-protocol RF module, please refer to multi-protocol RF module manual for usage : External RF module, compatible with many mainstream RF External RF modules Trainer:Trainer Mode Mode: Master/Jack Audio cable connection, coach host mode Slave/Jack Audio cable connection, student slave mode Bluetooth wireless connection, coach mode (requires external...
  • Page 31: Global Variables

    Mode name Define a name for the flight mode Adjust the fine-tuning value of 1-6 channels according to your Trims actual needs Fade in Slow Ease In / Ease Out Time Settings Fade Out At the bottom of the screen (below FM8) you are reminded to check the fine-tuning of each flight mode.
  • Page 32: Inputs

    "Global" means that global variables can be used to set pages for the entire model, but not for all models. Each model has its own set of global variables. There are 9 global variables available. 0 being the default value. Modify the value directly or press and hold the ENT key to pop up the sub-menu to change the type and parameter of the global variable.
  • Page 33 To set an entry, press and hold the ENT key on the current entry and a submenu will pop up Select Edit to change settings Input name: Name of the current entry. Use the scroll wheel to select a letter or number.
  • Page 34 Weight: Normal range is a value between ± 100% will be zoomed to the gimbal operation. If you enter a negative value, for example -100% means reverse the output. Note that channel inversion should not use negative values on the Inputs page, and to reverse channels should be reversed on the Outputs page.
  • Page 35: Mix Control

    Side: Unilateral setting with the midpoint as the boundary. No matter how this item is set, it will be set to unilateral effect by Side. x>0 All below the midpoint are fixed at 0, and normal output above the midpoint x<0 All above the midpoint is fixed at 0, and normal output below the midpoint Trim: You can choose whether the fine-tuning is effective for this entry, or you...
  • Page 36 By default, all lines on the same channel are added together, and the next line can choose to be superimposed or multiplied with the channel value of the previous line, and replaced completely. Please note that the currently active row of settings will be displayed in a bold font, making it easy to recognize the item currently in use at a glance.
  • Page 37 name: Name setting Use the scroll wheel to select letters and numbers, and press and hold the ENT key to switch between upper and lower case. Short press the ENT key to set the next character. Source: Long press the ENT key to pop up the input source category menu. Weight: Channel travel amount, the range is -500 / + 500.
  • Page 38: Output

    Modes: Select the corresponding flight mode, and the output trimming value that affects this entry can be set by the flight mode entry Switch: Select the switch to activate this item (Note: This setting is added to this item to add multiple lines of different settings to switch, if there is only one line setting, do not set the activation switch, otherwise the switch will cause this item to be completely invalid).
  • Page 39: Curves

    To quickly set the high/low and center points, press enter on the desired channel to open the quick-access menu Select Edit to change specific output values 4.4.7. Curves The curve can be used to modify the control response in the Inputs, Mixes, or Outputs page.
  • Page 40 X value represents input, such as the course of the gimbal from low to high Y value represents output, such as the process of channel output from low to high Name:Name the curve, easy to find when recalling the curve in other settings Type:Curve type Standard type, only Y point (output) can be edited, ranging from -100 to Standard...
  • Page 41: Logic Switches

    Mirror:Mirror the curve vertically. Clear:Clear the current curve. 4.4.8. Logic switches(Logical Switches) The logic switch is a user-programmed virtual switch. Like the physical switch, the logic switch is also a switch, but unlike a physical switch, which can be moved by hand, the logic switch is an internal switch triggered by certain user-programmed conditions.
  • Page 42 is turned on when the thr gimbal is less than -90%. Triggered when the parameter v1 is approximately equal to the a~x data v2, approximately equal to the range of about 10% a>x Triggered when parameter v1 is greater than data v2 a<x Triggered when parameter v1 is less than data v2 Triggered when the absolute value of parameter v1 is greater than v2,...
  • Page 43 gimbal are equal, the type of v2 at this time is not digital data, but a source a>b Triggered when parameter v1 is greater than parameter v2 a<b Triggered when parameter v1 is less than parameter v2 △ is the mathematical symbol Delta (difference value). It is triggered when the difference of the parameter v1 itself is greater △≥x than or equal to the value of data v2.
  • Page 44: Special Functions

    4.4.9. Special Functions The combination of logic switches, special functions, global variables, and pass back items opens up a variety of exciting new features for the RadioMaster TX12. E.g.: -Changes in battery voltage data returned by the receiver can trigger voice...
  • Page 45 Each setting is activated with a trigger switch. You can select physical switches, logical switches, fine-tuning buttons, and flight mode. There are two other special options, ON and Ones (which are always enabled when the machine is turned on), and One (which is performed only once when the machine is turned on) Press and hold the ENT key to enter the sub-menu for displaying sources by category.
  • Page 46 anywhere Play a sound ! 1x: Play sound once, not at startup Play Sound 1x: Play sound once. 1s-60s: broadcast at intervals (seconds) Play wav file in SD card, single broadcast and loop broadcast are Play Track the same as above Voice broadcast value, can broadcast values from any source, such Play Value as real-time values such as gimbal, voltage, altitude, time, etc.
  • Page 47: Custom Scripts

    4.4.10. Custom Scripts Custom script allows you to customize the functions of the radio controller. The scripting language used is Lua, which is a lightweight embeddable scripting language. You need to implement custom functions in the radio controller. There are three basic types: One-time: The script runs only once and then terminates.
  • Page 48: Digital Transmission And Telemetry

    4.4.11. Digital Transmission and Telemetry Each value received via digital transmission is considered a separate sensor with its own properties. Multiple identical sensor types can be connected, but the physical ID must be changed. For example, a sensor for each battery in a 2-6S lithium battery, or monitoring individual motor currents in a multi-motor model.
  • Page 49: Customized Display

    4.4.12. Display 4 customizable display options are available here Num: Values shown numerically, each page shows up to 8 items Bar: Values shown graphically, each page shows up to 4 bar graphs Script: Able to load third party display scripts or customized display scripts...

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