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UMX
Gee Bee
®
Instruction Manual • Bedienungsanleitung • Manuel d'utilisation • Manuale di Istruzioni
SAFE
Select Technology, Optional Flight Envelope Protection
®

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Don
May 25, 2025

Will a DXE radio bind to a UMX Gee Bee

Summary of Contents for Horizon Hobby UMX Gee Bee

  • Page 1 Gee Bee ™ ® Instruction Manual • Bedienungsanleitung • Manuel d’utilisation • Manuale di Istruzioni SAFE Select Technology, Optional Flight Envelope Protection ®...
  • Page 2: Safety Precautions And Warnings

    NOTICE All instructions, warranties and other collateral documents are subject to change at the sole discretion of Horizon Hobby, LLC. For up-to-date product literature, visit www.horizonhobby.com and click on the support tab for this product. MEANING OF SPECIAL LANGUAGE The following terms are used throughout the product literature to indicate various levels of potential harm when...
  • Page 3: Table Of Contents

    Box Contents Quick Start Information Transmitter Setup Set up your transmitter using the transmitter setup chart Hi Rate Low Rate Dual Rates 100% 100% Center of Gravity (CG) 26mm back from leading edge of the wing at the root Flight Timer Setting 4 minutes Operating Frequency 2404–2476 MHz...
  • Page 4: Safe ® Select Technology

    RC pilot skills. many complications to assess when trying to achieve smooth flight. The Horizon Hobby world-class team of RC AS3X will innovate the way you’ll want to fly now and in pilots developed the AS3X system for airplanes based on the future.
  • Page 5: Transmitter And Receiver Binding

    Transmitter and Receiver Binding Binding is the process of programming the receiver of the control unit to recognize the GUID (Globally Unique Identifier) code of a single specific transmitter. You need to ‘bind’ your chosen Spektrum DSM2 /DSMX technology equipped ™...
  • Page 6: Arming The Esc

    Arming the ESC Arming the ESC also occurs after binding as previously described, but subsequent connection of a flight battery requires the steps below. Lower throttle and throttle trim Install flight battery and connect Keep plane immobile to lowest settings. it to the ESC.
  • Page 7: Safe Select Switch Designation

    SAFE Select Switch Designation ® To enable and disable SAFE Select Technology use the following steps: ® 1. Power on transmitter. 2. Connect battery to the airplane and allow it to initialize. Mode 1 and 2 3. Hold sticks in lower inside corners. Transmitters 4.
  • Page 8: Control Centering

    Control Centering Before the first flights, or in the event of an accident, make sure the flight control surfaces are centered. Adjust the linkages mechanically if the control surfaces are not centered. Use of the transmitter sub-trims may not correctly center the aircraft control surfaces due to the mechanical limits of linear servos.
  • Page 9: Dual Rates And Expos

    Dual Rates and Expos To obtain the best flight performance, we recommend High Rate Low Rate using a DSM2/DSMX radio capable of Dual Rates and Expo. The suggested settings shown here are the Aileron 100% recommended starting settings. Adjust according to the Elevator 100% individual preferences after the initial flight.
  • Page 10: Flying Tips And Repairs

    Replacement Parts List for ordering by Takeoff item number. Place the UMX Gee Bee in position for takeoff (facing into the wind if flying outdoors). Gradually increase the throttle For a listing of all replacement and optional parts, refer to to full power, holding a small amount of up elevator and the list at the back of this manual.
  • Page 11: Additional Safety Precautions And Warnings

    Additional Safety Precautions and Warnings As the user of this product, you are solely responsible for This model is controlled by a radio signal subject to operating it in a manner that does not endanger yourself interference from many sources outside your control. This and others or result in damage to the product or the interference can cause momentary loss of control, so it is property of others.
  • Page 12: Service Of Power Components

    Service of Power Components Disassembly CAUTION: Before performing any propeller maintenance, always disconnect the battery. Handling the propeller while the aircraft is armed may result in personal injury. Propeller 1. The front of the cowling covers the battery compartment. Lift the cowling to access the battery compartment.
  • Page 13: Troubleshooting Guide

    Troubleshooting Guide AS3X Possible Cause Solution Problem Control surfaces may not have been Center control surfaces mechanically by Control surfaces not mechanically centered from factory adjusting the U-bends on control linkages at neutral position Aircraft was moved after the flight battery when transmitter Disconnect and reconnect the flight battery was connected and before sensors...
  • Page 14 Troubleshooting Guide (Continued) Possible Cause Solution Problem Power off transmitter, move transmitter a Transmitter too near aircraft during binding larger distance from aircraft, disconnect and LED on receiver process reconnect flight battery to aircraft and follow flashes and aircraft binding instructions will not bind to transmitter (during Power off transmitter and repeat bind process.
  • Page 15: Limited Warranty

    (iii) modification of or to any part of the Product, (iv) Your local hobby store and/or place of purchase cannot attempted service by anyone other than a Horizon Hobby provide warranty support or service. Once assembly, setup authorized service center, (v) Product not purchased from...
  • Page 16: Contact Information

    Horizon Product Support United States Champaign, Illinois, 61822 (Product Technical Assistance) of America 877-504-0233 websales@horizonhobby.com Sales 800-338-4639 Horizon Technischer Service service@horizonhobby.eu Hanskampring 9 European Union D 22885 Barsbüttel, Germany Sales: Horizon Hobby GmbH +49 (0) 4121 2655 100 Gee Bee ™ ®...
  • Page 17: Fcc Information

    Compliance Information for the European Union EU Compliance Statement: Horizon Hobby, LLC hereby declares that this product is in compliance with the essential requirements and other relevant provisions of the RED and EMC Directives. A copy of the EU Declaration of Conformity is available online at: http://www.horizonhobby.com/content/support-render- compliance.
  • Page 18: Replacement Parts

    Replacement Parts | Ersatzteile | Piéces de rechange | Recapiti per i ricambi Part # • Nummer Description Beschreibung Description Descrizione Numéro • Codice EFLU4067 Prop Adapter Prop Adaptor Adaptateur d’hélice Adattatore elica EFLU4546 Pushrod Linkage Set Gestänge Tringleries Set asta di spinta Couvercles de Coperture protezione EFLU4547...
  • Page 19 © 2018 Horizon Hobby, LLC. E-flite, UMX, SAFE, the SAFE logo, AS3X, DSM, DSM2, DSMX, ModelMatch and Bind-N-Fly are trademarks or registered trademarks of Horizon Hobby, LLC. The Spektrum trademark is used with permission of Bachmann Industries, Inc. Futaba is a registered trademark of Futaba Denshi Kogyo Kabushiki Kaisha Corporation of Japan.

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