Spektrum NX20 Instruction Manual
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Spektrum NX20 Instruction Manual

20-channel 2.4ghz dsmx aircraft system
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145156
Created 11/22
NX20
20-Channel 2.4GHz
DSMX
Aircraft System
®
Instruction Manual
Bedienungsanleitung
Manuel d'utilisation
Manuale di Istruzioni
Scan the QR code and select the Manuals and Support
quick links from the product page for the most
up-to-date manual information.
Scannen Sie den QR-Code und wählen Sie auf der
Produktseite die Quicklinks Handbücher und Unterstützung,
um die aktuellsten Informationen zu Handbücher.
Scannez le code QR et sélectionnez les liens rapides
Manuals and Support sur la page du produit pour obtenir
les informations les plus récentes sur le manuel.
Scannerizzare il codice QR e selezionare i Link veloci
Manuali e Supporto dalla pagina del prodotto per le
informazioni manuali più aggiornate.
SPMR20500, SPMR205001
SPMR20500EU

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Summary of Contents for Spektrum NX20

  • Page 1 NX20 20-Channel 2.4GHz DSMX Aircraft System ® Instruction Manual Bedienungsanleitung Manuel d’utilisation Manuale di Istruzioni SPMR20500, SPMR205001 SPMR20500EU Scan the QR code and select the Manuals and Support quick links from the product page for the most up-to-date manual information.
  • Page 2 WARNING AGAINST COUNTERFEIT PRODUCTS: Always purchase from a Horizon Hobby, LLC authorized dealer to ensure authentic high-quality Spektrum product. Horizon Hobby, LLC disclaims all support and warranty with regards, but not limited to, compatibility and perform ance of counterfeit products or products claiming compatibility with DSM or Spektrum technology.

  • Page 3: Table Of Contents

    Battery 3.7V 6,000 mAh LiIon Band 2.4GHz Feedback Tone, Vibration, Voice * EU versions of the NX20 are not compatible with DSM2 receivers. ® For helpful videos on programming the NX20 and other Spektrum AirWare equipped transmitters, go to www.spektrumrc.com.
  • Page 4 Locating the Transmitter Spektrum AirWare Software Version ..32 ACRO Mixing (Function List) ............45 Function List ................33 Differential (Function List) ............46 Servo Setup ................33 V-Tail Differential (Function List) ..........46 Travel Adjust ................33 Gyro Menus (Function List) ............46 Sub-Trim ..................

  • Page 5: Basic Operation

    ON. A connection is established when the LED on the receiver illumniates solid orange. BNF Setup The NX20 is pre-loaded with model files for many Horizon Hobby BNF aircraft. 1. From the Main Screen press the Clear and Back buttons at the same time to enter the Model Select menu.

  • Page 6: Transmitter Functions

    Throttle Trim (Mode 2, 4) Rear Lever Tension (Mode 2) 45 RF LED Indicators Adjustment* 21 Neck Strap Mount Elevator/Aileron Stick 46 Antenna 13 Mode Change 22 LCD (Mode 3) Throttle/Aileron Stick (Mode 4) SPEKTRUM NX20 • TRANSMITTER INSTRUCTION MANUAL...

  • Page 7: Powering The Nx20 On And Off

    21 Right Top Trimmer 22 R Knob POWERING THE NX20 ON AND OFF 1. Press and hold the power button (Spektrum logo) for several seconds to turn ON the NX20. 2. Press and hold the power button for about 4 seconds to power OFF the NX20.

  • Page 8: Charging The Lithium Ion Battery Pack

    6. Charging is complete when the green light on the power button goes out. Disconnect the USB cable once charging is complete. SPEKTRUM NX20 • TRANSMITTER INSTRUCTION MANUAL...

  • Page 9: Navigation

    7 Modulation type, shown after binding (DSMX/DSM2) 8 Model avatar Elevator trim (Mode 2, 4) Throttle trim (Mode 1, 3) Aileron trim (Mode 1, 2) Rudder trim (Mode 3, 4) 11 Function bar 12 Transmitter system clock 13 Time SPEKTRUM NX20 • TRANSMITTER INSTRUCTION MANUAL...

  • Page 10: Keyboard Style

    OTF (ON THE FLY) TRIM FUNCTIONS Many functions of the NX20 allow for making fine adjustment using available trim switches while flying your aircraft including: • Dual Rate • Differential •...

  • Page 11: Pre-Installed Bnf Model Files

    PRE-INSTALLED BNF MODEL FILES The NX20 is pre-loaded with model files for many Horizon Hobby BNF aircraft. For new product releases download the latest selection of model files from www.HorizonHobby.cc/NXreload BNF: Select Add new BNF from Model Select and search for your model.

  • Page 12: Memory Card Functions

    Update Spektrum AirWare Software ™ NOTICE: The orange LED Spektrum bars flash and a status Manually Installing Spektrum AirWare Software Updates bar appears on the screen when Spektrum AirWare software 1. Save the desired Spektrum AirWare version to a memory updates are installing.

  • Page 13: Model Type Programming Guide

    USB Settings USB Settings About/Regulatory About/Regulatory USB Settings Transfer SD Card Transfer SD Card Transfer SD Card About/Regulatory About/Regulatory About/Regulatory System Setup List: Function List: SPEKTRUM NX20 • TRANSMITTER INSTRUCTION MANUAL Model Select Control Setup Model Type D/R and Expo...

  • Page 14: System Setup

    3. Select Yes and press the scroll wheel to confirm the model type. All data will be reset. Selecting No will exit the Confirm Model Type screen and return to the Model Type screen. SPEKTRUM NX20 • TRANSMITTER INSTRUCTION MANUAL...

  • Page 15: Model Name

    While in this mode the throttle stick is used to control collective pitch exclusively. Setups commonly include multiple “idle up” flight modes, one for medium head speed, and another for high head speed. SPEKTRUM NX20 • TRANSMITTER INSTRUCTION MANUAL...

  • Page 16: Flight Mode Setup

    IMPORTANT: If you select a telemetry data point it must have that sensor information available from the model or it will just say “no data” 6. Test the voice callout by scrolling to TEST and pressing the scroll wheel. SPEKTRUM NX20 • TRANSMITTER INSTRUCTION MANUAL...

  • Page 17: Channel Assign

    Gimbal Trim Assign Throttle Trim Type Select Next to view open trim mapping of the primary four flight • Common controls. Options for these include left or right trimmer or top • Flight Mode trimmer. SPEKTRUM NX20 • TRANSMITTER INSTRUCTION MANUAL...

  • Page 18: Model Utilities

    1. To delete a model, highlight the model listed. Press to select, then roll to the model name. Press the scroll wheel to select. 2. Select DELETE to delete the model. SPEKTRUM NX20 • TRANSMITTER INSTRUCTION MANUAL...

  • Page 19: Copy Model

    Return the switch or control stick to the safe position to silence the alarm. For safety reasons, the default throttle alarm activates if the throttle position is above 10%. SPEKTRUM NX20 • TRANSMITTER INSTRUCTION MANUAL...

  • Page 20: Telemetry

    Telemetry screen. DO NOT access the Telemetry menu during flight. The telemetry system in the NX20 is compatible with all generations of Spektrum telemetry DSMX telemetry systems including module based, receivers with integrated telemetry, and Smart technology.

  • Page 21: Settings

    Input Data This feature records stick and switch positions, when combined with other telemetry sensor data it can help diagnose flight conditions or crashes. It may be set to Active or inhibit (default). SPEKTRUM NX20 • TRANSMITTER INSTRUCTION MANUAL...

  • Page 22: Preflight Setup

    Spektrum serial signal (e.g., a flight controller). XPLUS Enabling XPLUS defaults the frame rate to 22 ms. This enables access to all 20 channels available on the NX20 through the XPLUS 8 module (SPMXP8000), the Spektrum AR20310T or AR20400T receiver (SPMAR20310T, SPMAR20400T).

  • Page 23: Bind

    RF devices using digital communication protocols. The NX20 includes the SRXL2 as well as the CRFS protocols for compatibility with the TBS Cross Fire and Cross Fire 2. In addition, the NX20 is engineered to deliver a 9.5V power supply for external devices.

  • Page 24: Trainer

    This mode is available for connecting a head tracking system to the NX20 for FPV use. This option is covered further in the Headtracking FPV Setup section. SPEKTRUM NX20 • TRANSMITTER INSTRUCTION MANUAL...

  • Page 25: Instructor Transmitter Configuration

    Binding the NX20 wireless trainer feature as an instructor 2. Long press on BIND. transmitter is not the same as binding the NX20 to an aircraft. The 3. Place the student transmitter in normal bind mode. NX20 has a built-in receiver dedicated to the wireless trainer. The 4.

  • Page 26: Center Tone

    Choose Select/Add Category to enable Add Sound, Remove Sounds and Sort Sounds. Palette Utilities The colors on the NX20 may be customized as you wish. Select from the pre-defined color options listed under Global Customized, or select Personalize to create your own RGB color scheme.

  • Page 27: Brightness

    Battery Alarm The Battery Alarm is set to LiIon battery type for the NX20 and cannot be changed. The alarm activates when the battery reaches the low voltage limit. To change the battery voltage trigger point for the alarm: 1.

  • Page 28: Extra Settings

    0–100. Channel Monitor Select how many channels you want to display on the channel monitor (select from Default, 4, 6, 7, 8, 9, 10, 12, or 14 channels) SPEKTRUM NX20 • TRANSMITTER INSTRUCTION MANUAL...

  • Page 29: Set Date/Time

    Select this option to reset the NX20 back to factory settings. Choosing this option will reset any settings and all models that have been set in the NX20 programming, as well as any WiFi and My Spektrum account information from the transmitter. It does...

  • Page 30: Transfer Sd Card

    Select the internal memory location to save to the memory bank 7. Select Import to confirm overwriting the current model file. The built into the NX20. Select the external memory location to save to transmitter activates the new model file and the Main Screen the micro memory card slot.

  • Page 31: File/Folder Management

    Special Features Update AirWare Export Sound Categories NOTICE: The orange LED Spektrum bars flash and a status bar Select a folder and card as a target to export the sound catagories. appears on the screen when AirWare updates are installing.

  • Page 32: About / Regulatory

    The Serial Number screen displays the transmitter serial number and Spektrum AirWare software version. Reference the Serial Number screen any time you need to register your transmitter or update the Spektrum AirWare software from the Spektrum Community website. Exporting the Serial Number to the Memory card...

  • Page 33: Function List

    Always perform a control test after making adjustments to confirm reminding you to bind your transmitter and receiver. the model responds properly. CAUTION: After adjusting servos, always rebind the transmitter and receiver to set the failsafe position. SPEKTRUM NX20 • TRANSMITTER INSTRUCTION MANUAL...

  • Page 34: Speed

    2. Scroll to Switch and select the switch to activate D/R and Expo for that channel. 3. Scroll to dual rate and press the scroll wheel. Scroll left or right to change the value and press the scroll wheel again to save the selection. SPEKTRUM NX20 • TRANSMITTER INSTRUCTION MANUAL...

  • Page 35: Throttle Cut

    2. Scroll to the desired kick point and press the scroll wheel once to save the selection. To delete a kick point, scroll to the desired kick point and press the Clear button. SPEKTRUM NX20 • TRANSMITTER INSTRUCTION MANUAL...

  • Page 36: Digital Switch Setup

    1. Select the first switch, define the switch position where you want the function to be active. 2. Select AND/OR 3. Select the second switch and define the switch position(s) you want the function to be active. SPEKTRUM NX20 • TRANSMITTER INSTRUCTION MANUAL...

  • Page 37: Mixing

    Curve (Page) The Curve value corresponds to each page of values assigned to a switch position. Leave the Curve value matching the highlighted box below the switch position for a basic configuration. SPEKTRUM NX20 • TRANSMITTER INSTRUCTION MANUAL...

  • Page 38: Curve Mix

    2. In the second Sequencer screen, assign a switch to the example, applying your assigned dual rates and exponential when the sequence. We recommend using a 2-position switch. landing gear deploys and the flight mode changes. SPEKTRUM NX20 • TRANSMITTER INSTRUCTION MANUAL...

  • Page 39: Range Test

    Range Test mode. 4. If control issues occur, contact the appropriate Horizon Product Support office for assistance. 5. If performing a range test while a telemetry module is active, the display will show flight log data. SPEKTRUM NX20 • TRANSMITTER INSTRUCTION MANUAL...

  • Page 40: Timer

    Timer The NX20 Timer function allows you to program a countdown timer or stop watch (count up timer) to display on the main screen. An alarm sounds when the programmed time is reached. You can program the timer to start using the assigned switch position or automatically when throttle is raised above a programmed position.

  • Page 41: Audio Events

    SEND to make the change. Function Bar The Function Bar on the NX20 offers 2 features, a Ticker Tape to show telemetry values and My List which allows quick access to menu items that are frequently used.

  • Page 42: Bind

    IMPORTANT: When you are charging the radio during operation, you will see a charge status indicator on the right side of the LCD, in all screens. SPEKTRUM NX20 • TRANSMITTER INSTRUCTION MANUAL...

  • Page 43: Monitor

    ACRO (AIRPLANE) CAUTION: Always do a Control Test of your model with the transmitter after programming to make sure your model responds as desired. NOTICE: Refer to your airplane manual for recommended control throws. SPEKTRUM NX20 • TRANSMITTER INSTRUCTION MANUAL...

  • Page 44: Aircraft Type (System Setup)

    Diagrams and setup names show on the transmitter screen to show the available setups. Select wing and tail types before doing any other programming. Refer to spektrumrc.com for more information about new NX20 AirWare software updates to support these options. Wing Tail •...

  • Page 45: Elevon Servo Control

    • Add Aileron mixing if the aircraft rolls in knife edge flight Aileron to Rudder Use Aileron to Rudder mixing to overcome adverse yaw characteristics with certain types of aircraft (such as high-wing aircraft). SPEKTRUM NX20 • TRANSMITTER INSTRUCTION MANUAL...

  • Page 46: Differential (Function List)

    Activate the Pitch Curve function. When the Pitch Curve function is activated, the Pitch Curve function appears in the Function List. 3. Assign the pitch channel in the Channel Assignment functionafter activating the Pitch Curve Function. SPEKTRUM NX20 • TRANSMITTER INSTRUCTION MANUAL...

  • Page 47: Multi-Engine Control (System Setup)

    Channel Assign function. After completing the set up, go to the Channel Assign menu in the Function list, and on the RX Port Assignments page, select the open channel you wish to use for the additional throttle channels. SPEKTRUM NX20 • TRANSMITTER INSTRUCTION MANUAL...

  • Page 48: Heli (Helicopter)

    1. Select the Pitch Curve you wish to edit (N, 1 or 2). 2. Scroll right to select the points on the curve and edit the respective values. 3. Press the BACK button to save the Pitch Curves and return to the Function List. SPEKTRUM NX20 • TRANSMITTER INSTRUCTION MANUAL...

  • Page 49: Swashplate (Function List)

    Move the programmed cyclic or rudder channel, noting the throttle position. The throttle position should increase. If the throttle decreases, then the opposite value (positive vs. negative) is needed. SPEKTRUM NX20 • TRANSMITTER INSTRUCTION MANUAL...

  • Page 50: Sail (Sailplane)

    Use the Sailplane Type Screen to select wing and tail types to match your sailplane model. Diagrams and setup names show on the transmitter screen to show the available setups. Refer to spektrumrc.com for more information about new NX20 Spektrum AirWare updates to support these options. Wing...

  • Page 51: Sail Mixing (Function List)

    For sailplanes with ailerons/tips/flaps, make sure an appropriate Sailplane Type is selected so that tips appear in the transmitter as RAIL and LAIL. Decrease or increase travel on the tip ailerons by creating an AIL > RAIL mix. SPEKTRUM NX20 • TRANSMITTER INSTRUCTION MANUAL...

  • Page 52: Multi (Multirotor)

    Exponential affects control response sensitivity around center but has no affect on overall travel. Positive exponential decreases the sensitivity around the center of gimbal movement. SPEKTRUM NX20 • TRANSMITTER INSTRUCTION MANUAL...

  • Page 53: Motor Cut (Function List)

    If you program multiple throttle curves and you wish to edit one of the curves, that curve must be active in the Motor Curve screen before you can make any changes. SPEKTRUM NX20 • TRANSMITTER INSTRUCTION MANUAL...

  • Page 54: Physical Transmitter Adjustments

    Gimbal Adjustments The NX20 has all the physical transmitter adjustments located around the gimbal face of each gimbal. This arrangement allows for quick and easy adjustments with out taking the back cover off or removing any plugs to access adjustment screws.

  • Page 55: Ratcheted Throttle - Smooth Throttle Adjustment

    2. To disengage the throttle Tension turn the screw counter clockwise until the gimbal moves freely. Mode Conversion You can select transmitter modes 1, 2, 3 or 4 for the NX20. Converting the mode requires both a mechanical and programming change. Mechanical Conversion Mechanical conversion is required to change between Modes 1 and 2 or between Modes 3 and 4.

  • Page 56: Troubleshooting Guide

    The bind plug is not installed correctly in the bind port aircraft to the transmitter Flight battery/Transmitter battery charge is too low Replace/recharge batteries Transmitter is a NX20 EU version and receiver is The NX20 EU version is not compatible with DSM2...

  • Page 57: 1-Year Limited Warranty

    Horizon will hold non-compliant Product for a period of 60 Product has been started, you must contact your local distributor days from notification, after which it will be discarded. or Horizon directly. This will enable Horizon to better answer your 10-15 SPEKTRUM NX20 • TRANSMITTER INSTRUCTION MANUAL...

  • Page 58: Warranty And Service Contact Information

    Frequency (RF) Exposure guidelines, this equipment should be interference, including interference that may cause undesired installed and operated with a minimum distance of 20cm between operation of the device. the radiator and your body. SPEKTRUM NX20 • TRANSMITTER INSTRUCTION MANUAL...

  • Page 59: Compliance Information For The European Union

    It should be deposited at an Control and Trainer: 2402-2478 MHz / WiFi: 2412-2462 MHz appropriate facility to enable recovery and recycling. Control: 18.7 dBm / Trainer: 1.43 dBm / WiFi: 18.5dBm SPEKTRUM NX20 • TRANSMITTER INSTRUCTION MANUAL...
  • Page 60 © 2022 Horizon Hobby, LLC DSM, DSM2, DSMX, the DSMX logo, Bind-N-Fly, BNF, the BNF logo, Spektrum AirWare, ModelMatch, AS3X, SmartSafe, and the Horizon Hobby logo are trademarks or registered trademarks of Horizon Hobby, LLC. The Spektrum trademark is used with permission of Bachmann Industries, Inc.

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