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Spektrum AR631 AS3X and SAFE
6 CH Receiver

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Summary of Contents for Spektrum AR631

  • Page 1 Spektrum AR631 AS3X and SAFE 6 CH Receiver...
  • 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 performance of counterfeit products or products claiming compatibility with DSM or Spektrum technology.
  • Page 3: Table Of Contents

    FCC Information ..................26 IC Information .................... 26 Compliance Information for the European Union ........... 27 AR631 AS3X AND SAFE RECEIVER The Spektrum™ AR631 Receiver is full range with fly-by telemetry, and is compatible with all Spektrum™ DSM2 ® and DSMX ®...
  • Page 4: Specifications

    Smart features. See www.spektrumrc. com to register and update your transmitter. If a standard ESC or servo is plugged into the throttle port on the AR631 receiver, the throttle port will operate normally (PWM signal) like any conventional RC system.
  • Page 5: Installing The Ar631 Receiver

    DSMX. BINDING The AR631 receiver must be bound to your transmitter before it will operate. Binding is the process of teaching the receiver the specific code of the transmitter so it will only connect to that specific transmitter.
  • Page 6: Failsafe

    IMPORTANT: Do not use open mixes for flight control surfaces when setting up a model with the AR631 for AS3X and SAFE. Only use wing and tail type options to configure flight controls, refer to your transmitter manual for more...
  • Page 7: Ar631 Receiver - Basic As3X Setup

    AR631 RECEIVER – BASIC AS3X SETUP To use AS3X technology with the Spektrum AR631 Receiver, the receiver needs to be set up with a compatible Spektrum transmitter. 1. Verify the basic setup and trim is accurate before attempting AS3X setup.
  • Page 8: As3X Reaction Test

    AS3X REACTION TEST This test ensures that the AS3X control system is functioning properly. 1. Assemble the aircraft, bind your transmitter to the receiver, and complete the AS3X First Time Setup in the Forward Programming menu before performing this test. 2.
  • Page 9: Ar631 Receiver - Safe Setup

    AR631 RECEIVER – SAFE SETUP ® Setting up SAFE Technology on the AR631 Receiver takes place in Forward Programming. 1. Complete the AS3X setup and verify operation in flight. 2. Forward Programming Setup: To add SAFE flight stabilization the Flight Modes on the receiver need to be configured.
  • Page 10: Advanced Tuning

    c. If the airplane oscillates, immediately slow it down and reduce gain. Take note of which flight mode you are in and which axis the aircraft oscillates around. You can increase or decrease the base gain values of each axis separately for each flight mode within the Forward Programming menu after landing.
  • Page 11 TIP: If you have not completed the First Time SAFE Setup, you will not see any SAFE related options on the F-Mode Setup Screens. c. SAFE Flight Modes have an AS3X gain and a SAFE gain for pitch and roll axis. Both of these values are used for SAFE and may be tuned independently.
  • Page 12 ADDING FLIGHT MODES OUTSIDE OF FORWARD PROGRAMMING (IN THE TRANSMITTER) Flight Modes outside of forward programming are set up in the main transmitter menu and are separate from Flight Modes set up within forward programming. Flight Modes in the transmitter tie together transmitter-based features like dual rates and expo, selected channels and positions, trim, and voice/sound features.
  • Page 13 (AS3X) System Setup Select Forward Programming -> Gyro Settings -> System Settings -> • Relearn Servo Settings can be accessed if any changes are made to the model configuration outside of Forward Programming. If any changes are made to servo reversing, travel, sub-trim, wing type or tail type, you can execute this function instead of restoring factory defaults and redoing the entire setup.
  • Page 14: Other Settings (Forward Programming)

    Select this option to re-instate the model file saved into backup. • Save to Backup The AR631 can store a second model setup file for backup. Use this option if you want to store the settings you have while you test setup changes.
  • Page 15: Channel Limitations

    (Optional: Thr to Pitch) CHANNEL LIMITATIONS The AR631 can use up to seven extra channels for AS3X and SAFE functions; one for Flight Mode selection, one for Panic Mode, and up to five for Gain. You may use any channel up to 20 that is not a control surface or throttle for these functions, and you do not need to use channels 5 and 6, keeping those channels and ports on the receiver open for normal servo operation.
  • Page 16: Flight Log

    If your system displays a hold, diagnose the cause and resolve the issue before flying again. It is normal to see a hold logged if you power OFF your transmitter and back ON. IMPORTANT: The Spektrum Flight Log (SPM9540) is not compatible with the AR631 receiver.
  • Page 17: Range Testing

    ADVANCED RANGE TESTING A telemetry-equipped Spektrum Transmitter is required for the advanced range test. This test will confirm if the AR631 is sufficent for your application. This advanced range check allows the RF performance of the receiver to be evaluated in different orientations to search for reflections or shadows affecting the control signal.
  • Page 18: Receiver Power System Requirements

    • The switch harness, battery leads, servo leads, regulators etc. The AR631 has a minimum operational voltage of 3.5 volts; it is highly recommended the power system be tested per the guidelines below. RECOMMENDED POWER SYSTEM TEST GUIDELINES...
  • Page 19: Optional Accessories

    Flight Modes in Transmitter - Manage rates, expo, voice/sound output, and other transmitter based configurations. Heading - An optional feature of AS3X, heading will make the airplane try to hold its attitude when the control is relaxed. This is not a self-leveling feature, it only makes the aircraft track accurately.
  • Page 20: Troubleshooting Guide As3X

    TROUBLESHOOTING GUIDE AS3X Problem Possible Cause Solution Damaged propeller or Replace propellereller or spinner spinner Imbalanced propel- Balance the propellereller lereller Replace parts or correctly align Motor vibration propellereller or other parts and tighten fasteners as needed Align and secure receiver in Loose receiver fuselage Tighten or otherwise secure parts...
  • Page 21: Troubleshooting Guide

    TROUBLESHOOTING GUIDE Problem Possible Cause Solution Throttle not at idle Reset controls with throttle and/or throttle trim stick and throttle trim at lowest too high setting Throttle servo travel is Make sure throttle servo travel Aircraft will not lower than 100% is 100% or greater respond to throttle but responds to...
  • Page 22 TROUBLESHOOTING GUIDE Problem Possible Cause Solution Move powered transmitter a few Transmitter too near feet from aircraft, disconnect aircraft during connecting and reconnect flight battery to process aircraft Aircraft or transmitter is Move aircraft and transmitter too close to large metal to another location and attempt object, wireless source or connecting again...
  • Page 23: 1-Year Limited Warranty

    1-YEAR LIMITED WARRANTY What this Warranty Covers – Horizon Hobby, LLC, (Horizon) warrants to the origi- nal purchaser that the product purchased (the “Product”) will be free from defects in materials and workmanship for a period of 1 year from the date of purchase.  What is Not Covered –...
  • Page 24 WARRANTY SERVICES Questions, Assistance, and Services – Your local hobby store and/or place of purchase cannot provide warranty support or service. Once assembly, setup or use of the Product has been started, you must contact your local distributor or Horizon directly. This will enable Horizon to better answer your questions and service you in the event that you may need any assistance.
  • Page 25: Warranty And Service Contact Information

    estimates will be billed a minimum of ½ hour of labor. In addition you will be billed for return freight. Horizon accepts money orders and cashier’s checks, as well as Visa, MasterCard, American Express, and Discover cards. By submitting any item to Horizon for service, you are agreeing to Horizon’s Terms and Conditions found on our website http://www.horizonhobby.com/content/service-center_render-ser- vice-center.
  • Page 26: Fcc Information

    FCC INFORMATION FCC ID: BRWSPMSR6200A Supplier’s Declaration of Conformity SPMAR631 6 Channel AS3X/SAFE Receiver This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
  • Page 27: Compliance Information For The European Union

    COMPLIANCE INFORMATION FOR THE EUROPEAN UNION EU Compliance Statement: Hereby, Horizon Hobby, LLC declares that the device is in compliance with the following: EU Radio Equipment Directive 2014/53/EU. The full text of the EU declaration of conformity is available at the following internet address: https://www.horizonhobby.com/content/support-render- compliance.
  • Page 28 © 2020 Horizon Hobby, LLC. DSM, DSM2, DSMX, SAFE, AS3X, Spektrum Airware, SRXL2, SmartSafe, Hangar 9, QuickConnect 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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Spmar631

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