Spektrum DX7 Instruction Manual
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Spektrum DX7 Instruction Manual

Spektrum dsm2 full range technology
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Instruction Manual
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© 2008 Horizon Hobby, Inc.
4105 Fieldstone Road
Champaign, Illinois 61822
(877) 504-0233
www.horizonhobby.com
www.spektrumrc.com
US patent number 7,391,320. Other patents pending.
DSM and DSM2 are trademarks or registered trademarks of Horizon Hobby, Inc.
The Spektrum trademark is used with permission of Bachmann Industries, Inc.
Spektrum radios and accessories are exclusively available from Horizon Hobby, Inc.
Revised 11/08
11329.2

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  • Page 1 US patent number 7,391,320. Other patents pending. DSM and DSM2 are trademarks or registered trademarks of Horizon Hobby, Inc. The Spektrum trademark is used with permission of Bachmann Industries, Inc. Spektrum radios and accessories are exclusively available from Horizon Hobby, Inc.

  • Page 2: Receiver Compatibility

    RF environment and creates a bulletproof RF link in all conditions. Receiver Compatibility You’ll be glad to know that the DX7 is compatible with all Spektrum and JR DSM receivers including the AR500, AR6000, AR6100(e), AR6200, AR6300, AR7100(r), AR9000, AR9100, JR921 and JR1221. Note: when using the DX7 with a park flyer receiver like the AR6000 or AR6100, it’s imperative that the receiver...

  • Page 3: Table Of Contents

    ™ DSM2 ™ Full Range Technology .............2 memory again. The DX7 features ModelMatch technology that prevents the operation of a model if the wrong DSM2 DuaLink Technology ........................3 ® model memory is selected. During binding, the receiver actually learns and remembers the specific model Receiver Compatibility ..........................3...
  • Page 4 Function Mode Flowchart ........................48 To Enter the Model Name Function ..................73 Function List Modes ........................49 ModelMatch ..........................73 To Enter the Function List Mode ...................49 How ModelMatch Works ......................73 SPEKTRUM DX7 • TABLE OF CONTENTS SPEKTRUM DX7 • TABLE OF CONTENTS...
  • Page 5 To Access the Pitch Curve Function ..................94 Hovering Pitch Rocker ......................94 Revolution Mixing (only used with non-heading hold gyros) ............95 Setting Up Revolution Mixing ....................95 To Access Revolution Mixing ....................95 SPEKTRUM DX7 • TABLE OF CONTENTS SPEKTRUM DX7 • TABLE OF CONTENTS...

  • Page 6: Battery Charging

    During the charging operation, threading into plastic and can be stripped if over-tightened. the charger’s temperature is slightly elevated. This is normal. SPEKTRUM DX7 • INTRODUCTION SPEKTRUM DX7 • INTRODUCTION...

  • Page 7: Adjusting The Control Stick Tension

    Advanced Digital Trims MODE 1 The DX7 employs digital trim levers on aileron, elevator, throttle and rudder (hover pitch and hover throttle for helicopters). The ADT (Advanced Digital Trim) feature is designed to automatically store the selected trim values AILERON TENSION for each model.

  • Page 8: Tips On Using 2.4Ghz Systems

    (3.5 volts), the DSM receiver must reboot (go through the start-up process of scanning the band and finding the transmitter) and this can take several seconds. Please read the receiver power requirement on page 24 as this explains how to test for and prevent this occurrence. SPEKTRUM DX7 • INTRODUCTION...

  • Page 9: Receiver And Servo Installation

    QuickConnect and Brownout Detection are designed to allow you to safely fly through most short duration power interruptions. However, the root cause of these interruptions must be corrected before the next flight to prevent catastrophic safety issues. SPEKTRUM DX7 • INTRODUCTION SPEKTRUM DX7 • INTRODUCTION SPEKTRUM DX7 • INTRODUCTION...

  • Page 10: Receiver Installation

    Servo Lead w/Connector How to Range Test the DX7 Before each flying session, and especially with a new model, it is important to perform a range check. The DX7 incorporates a range testing system which, when the bind button on the back of the transmitter is pressed and held, reduces the output power, allowing a range check.

  • Page 11: Advanced Range Testing Using A Flight Log

    Frame Losses. Do this for 1 minute. The timer on the DX7 can be used here. For giant-scale aircraft, it’s recommended that the airplane be tipped up on its nose and rotated 360 degrees for one minute, then record the data. Next place the airplane on its wheels and do a second test, rotating the aircraft in all directions for one minute.

  • Page 12: Flight Log-Optional For Ar7000 Receiver

    6. After you’ve programmed your model, it’s important to rebind the system so the true low throttle and neutral control surface positions are programmed. Note: The AR7000 features DSM2 technology and is only compatible with DSM2 transmitters. The AR7000 will not operate with the DX6 or Spektrum surface systems. SPEKTRUM DX7 • INTRODUCTION SPEKTRUM DX7 • INTRODUCTION...

  • Page 13: Receiver Power System Requirements

    The following section covers a basic programming for a 4-channel airplane with a single rate. For more details on programming the aircraft, see the Aircraft section of this manual. SPEKTRUM DX7 • AIRCRAFT QUICK START GUIDE SPEKTRUM DX7 • AIRCRAFT QUICK START GUIDE...

  • Page 14: Servo Reversing

    Use the SELECT key to choose the appropriate channel that you wish to adjust. While holding the channel or switch in the desired direction, press the INCREASE or DECREASE key to adjust SPEKTRUM DX7 • AIRCRAFT QUICK START GUIDE SPEKTRUM DX7 • HELICOPTER QUICK START GUIDE...

  • Page 15: Servo Reversing

    Press to select REV. or NORM Adjusting the Normal Pitch Curve The DX7 offers four independent pitch curves, each with up to five adjustable points. This function allocates a [REVERSING SW] separate pitch curve setting during normal, stunt 1, stunt 2 and hold modes. Once the pitch curves are adjusted, GEAR each can be activated in flight using the three-position flight mode and throttle hold switches.

  • Page 16: Throttle Curve

    This completes the basic Quick Start setup for your helicopter. For additional features like Dual and Expo Rates, Up/Down Mixing, etc, see the appropriate pages listed in the table of contents. Scroll Button Clear Key Select Key LCD Display SPEKTRUM DX7 • HELICOPTER QUICK START GUIDE SPEKTRUM DX7 • AIRCRAFT PROGRAMMING GUIDE...

  • Page 17: Throttle Alt

    • The INCREASE or DECREASE keys are used to change the values of the selected On/Off Switch Trainer/Flap Hook programming feature. Rocker Mix-Rudder The DX7 features two programming modes: System Mode and Function Mode. Gear Switch Dual Rate Carrying Handle Flap Mix AUX 2 Switch Elevator...

  • Page 18: System Mode

    • The system will display the last screen that was used in system setup mode. You are now in System Mode. To Exit the System Setup Mode • Press the DowN and SELECT keys simultaneously. The main screen will be displayed. • Turn the transmitter off. SPEKTRUM DX7 • AIRCRAFT PROGRAMMING GUIDE SPEKTRUM DX7 • AIRCRAFT PROGRAMMING GUIDE...
  • Page 19 Model Select/Copy Function Model Select/Copy Function (continued) The DX7 features a memory function that stores the programmed data for up to 20 models. Any combination of Press to select up to 20 airplanes and/or helicopters can be stored in memory. A model name feature with up to eight characters...

  • Page 20: Type Select Function

    The Model Name function is used to input and assign the model’s name to a specific memory, allowing easy The DX7 features two programming types: Airplane and Helicopter. The DX7 can memorize data for up to 20 identification of each model’s program. Each model’s name is displayed on the main screen when that model is models individually and the model type will automatically be stored with each model memory.
  • Page 21 SLAVE/P-LINK: In the Slave mode, the DX7 is used as a slave radio in conjunction with a Spektrum radio that is used as the master that is in P-LINK mode; there is no need to match the slave’s programming to the master transmitter’s programming in this mode.

  • Page 22: Aircraft Programming Guide

    FLAP TRIM:ACT Throttle Recovery The DX7 has a unique throttle trim recovery feature. The throttle recovery function, when activated, stores the Hold while turning on the transmitter current throttle trim position. Then when the throttle trim is lowered to shut off the engine, moving the trim up one click will return the throttle to it’s previously stored position.

  • Page 23: Wing Type

    Wing Type Wing Type (continued) The DX7 offers three different wing types to choose from: Normal, Flaperon and Delta (also called elevon Flaperon Active: mixing). In addition, V-Tail mixing is available from the Wing Type screen. [WING TYPE] Normal ≥FLAPERON ON When the Flaperon and Delta wing functions are off, Normal wing type is selected.
  • Page 24 V-Tail Type Servo Connections • RUDD servo port (right V-tail) • ELEV servo port (left V-tail) V-Tail Type Connection ELEV Servo Port RUDD Servo Port (Left V-Tail) (Right V-Tail) SPEKTRUM DX7 • AIRCRAFT PROGRAMMING GUIDE SPEKTRUM DX7 • AIRCRAFT PROGRAMMING GUIDE...

  • Page 25: Function Mode Flowchart

    To Exit the Function List Mode AUTO • Press the DowN and SELECT keys simultaneously twice. The system will return to the main screen or turn off the transmitter. SPEKTRUM DX7 • AIRCRAFT PROGRAMMING GUIDE SPEKTRUM DX7 • AIRCRAFT PROGRAMMING GUIDE...

  • Page 26: Function Mode Functions

    (COM AILE, COM ELEV, COM RUDD, D/R SWITCH SEL FLAP0 or FLAP2). The choices for this are found on the screen in the System Setup Mode for Airplanes. (See page 50) SPEKTRUM DX7 • AIRCRAFT PROGRAMMING GUIDE SPEKTRUM DX7 • AIRCRAFT PROGRAMMING GUIDE...

  • Page 27: To Adjust The Exponential

    Move the selected channel’s dual rate switch to the desired position, 0 or 1. Press the SELECT key until is highlighted. Adjust the Expo rate values for the selected switch position using the INCREASE or DECREASE key. SPEKTRUM DX7 • AIRCRAFT PROGRAMMING GUIDE SPEKTRUM DX7 • AIRCRAFT PROGRAMMING GUIDE...

  • Page 28: Sub Trim

    Press the INCREASE or DECREASE key to adjust the endpoint position for that selected channel’s direction. Press the INCREASE or DECREASE key to adjust the sub-trim position for that selected channel. SPEKTRUM DX7 • AIRCRAFT PROGRAMMING GUIDE SPEKTRUM DX7 • AIRCRAFT PROGRAMMING GUIDE...

  • Page 29: Elevator-To-Flap Mix Function

    Note: To reverse mix directions, a negative mix value is accessible. To Assign a Switch With highlighted, press the INCREASE or DECREASE key to select the desired switch used to turn on/off the mix (Flap 0 or Mix). SPEKTRUM DX7 • AIRCRAFT PROGRAMMING GUIDE SPEKTRUM DX7 • AIRCRAFT PROGRAMMING GUIDE...

  • Page 30: Flap System

    Press the UP or DowN key to set the value for flap and elevator travel. The UP key adds up flap/elevator and the DowN key adds down flap/elevator. The input is adjustable from 125% for flap and -200% for elevator. SPEKTRUM DX7 • AIRCRAFT PROGRAMMING GUIDE SPEKTRUM DX7 • AIRCRAFT PROGRAMMING GUIDE...

  • Page 31: Differential Aileron Mixing

    Differential Aileron Mixing Programmable Mixing 1–6 The DX7 offers six (6) programmable mixes that allow stick or switch inputs to control the output of two or Note: Only available when Flaperon or Elevon is activated (see Wing Type page 44).

  • Page 32: Programmable Mixing 1-6

    Flap Switch in Flap 2 Position Moving the stick or switch in the opposite direction will allow the mix value to be adjusted in the • Gear: Gear Switch opposite direction. SPEKTRUM DX7 • AIRCRAFT PROGRAMMING GUIDE SPEKTRUM DX7 • AIRCRAFT PROGRAMMING GUIDE...

  • Page 33: Timer

    Timer Timer (continued) The DX7 features an onscreen timer with three programming options. Press the INCREASE or DECREASE key to start or stop the timer INH: Inhibit- In this mode the timer is turned off. 10.6V MODEL 1 Down-T: SPEKTRUM DX7 2.4GHz...

  • Page 34: Servo Monitor

    Dual Rate Aileron Throttle Trim Dual Rate Elevator Trim Throttle/ Aileron/Elevator Rudder Stick Stick Aileron Trim Rudder Trim Increase/Decrease Button Up/Down Scroll Button Clear Key Select Key LCD Display SPEKTRUM DX7 • AIRCRAFT PROGRAMMING GUIDE SPEKTRUM DX7 • HELICOPTER PROGRAMMING GUIDE...

  • Page 35: Transmitter Control Identification And Location Mode 1

    • The INCREASE or DECREASE key is used to change the values of the selected programming Switch feature. The DX7 features two programming modes: System Setup Mode and Function Mode, which are Elevator described in the next sections. Dual Rate...

  • Page 36: Warning Screen For Throttle Hold/Stunt Mode

    Warning Screen for Throttle Hold/Stunt Mode System Setup Mode When the DX7 is operated in the helicopter mode, there is a warning system that is employed to avoid hot starts Includes programming functions that are normally used during setup. System Setup (accidental high throttle startups) when the power switch is initially turned ON.

  • Page 37: Model Select/Copy

    Model Name The DX7 features a memory function that stores the programmed data for up to 20 models. Any combination of The Model Name function is used to input and assign the model’s name to a specific memory, allowing easy up to 20 airplanes and/or helicopters can be stored in memory.

  • Page 38: Type Select Function

    Type Select Function Model Reset/Integrated Timer The DX7 features two programming types: Airplane and Helicopter. The DX7 can memorize data for up to The Model Reset function resets all programming functions to their default settings. This screen also allows you 20 models individually.

  • Page 39: To Activate The Throttle Recovery Function

    SLAVE/P-LINK: In the Slave mode, the DX7 is used as a slave radio in conjunction with a Spektrum radio that is used as the Throttle Recovery master that is in P-LINK mode; there is no need to match the slave’s programming to the master transmitter’s programming in this mode.

  • Page 40: Input Select

    AUX 2 assigns the gyro sensing program to operate use the AUX 2 channel. In this case the gyro gain must be plugged into the AUX 2 (Channel 7) channel. SPEKTRUM DX7 • HELICOPTER PROGRAMMING GUIDE SPEKTRUM DX7 • HELICOPTER PROGRAMMING GUIDE...

  • Page 41: Swash Type

    Swash Type Function Mode Flowchart The Swashplate Mixing function enables the DX7 system to operate the following swashplate types: Includes programming functions that are more frequently used. Function Mode programming functions are as follows. • 1 Servo: Non-CCPM, standard mixing type helicopter •...

  • Page 42: To Exit The Function Mode

    INCREASE and DECREASE key [FUNCTION LIST] º PI CURV ST2 º PROG.MIX3 º TIMER º REVO. MIX ◊MONITOR º GYRO SENS º PROG.MIX1 º PROG.MIX2 SELECT key CLEAR key SPEKTRUM DX7 • HELICOPTER PROGRAMMING GUIDE SPEKTRUM DX7 • HELICOPTER PROGRAMMING GUIDE...

  • Page 43: Function Mode Functions

    The Dual Rate and Expo functions for aileron, elevator and rudder can be combined on the flight mode auto dual rate/expo conveniently allowing high or low rates to be selected via the flight mode switch. See page 86 for more details. SPEKTRUM DX7 • HELICOPTER PROGRAMMING GUIDE SPEKTRUM DX7 • HELICOPTER PROGRAMMING GUIDE...

  • Page 44: Auto Dual Rate Exp

    • GEAR: Gyro Gain • PIT: Pitch (AUX1) Gyro Gain Note: The actual dual rate values are set in the Dual Rate and Expo screen. See page 84. SPEKTRUM DX7 • HELICOPTER PROGRAMMING GUIDE SPEKTRUM DX7 • HELICOPTER PROGRAMMING GUIDE...

  • Page 45: Sub Trim

    In Function Mode, use the UP or DowN key to select the SUB TRIM screen. Press the SELECT key to access the desired channel. Press the INCREASE or DECREASE key to adjust the sub-trim position for that selected channel. SPEKTRUM DX7 • HELICOPTER PROGRAMMING GUIDE SPEKTRUM DX7 • HELICOPTER PROGRAMMING GUIDE...

  • Page 46: Swashplate Mixing

    This EXP function eliminates swashplate interactions at the extremes of travel. It is recommended that the EXP function be activated at all times. SPEKTRUM DX7 • HELICOPTER PROGRAMMING GUIDE SPEKTRUM DX7 • HELICOPTER PROGRAMMING GUIDE...
  • Page 47 Throttle Curve Throttle Curve (continued) The DX7 offers three (3) separate throttle curves with five (5) adjustable points per curve. This function allows Throttle Trim Setting you to adust the throttle curve to optimize engine rpm at a particular pitch setting. Once the throttle curves are established, each can be activated in flight using the 3-position flight mode switch.
  • Page 48 Because torque reaction varies with different power settings, it is necessary to vary the The DX7 offers four (4) independent pitch curves: Normal, Stunt 1, Stunt 2 and Hold. Each pitch curve contains tail rotor pitch at the same time. The DX7 offers two (2) separate revolution mixing programs with independent five (5) adjustable points —...

  • Page 49: Gyro Sensing

    The DX7 offers two different types of Gyro Sensitivity Adjustments — manual or automatic. This feature gives In helicopter mode the DX7 offers three (3) programmable mixes that allow stick or switch inputs to control the user the choice of selecting gyro sensitivity manually through the rudder dual rate switch or automatically the output of two or more servos.
  • Page 50 Note: If a switch is assigned to the mix, that switch must be turned on to allow mixing values to be changed. Moving the stick or switch in the opposite direction will allow the mix value to be adjusted in the opposite direction. SPEKTRUM DX7 • HELICOPTER PROGRAMMING GUIDE SPEKTRUM DX7 • HELICOPTER PROGRAMMING GUIDE...

  • Page 51: Timer

    Timer Timer (continued) The DX7 features an onscreen timer with three programming options. Press the INCREASE or DECREASE key to start or stop the timer INH: Inhibit- In this mode the timer is turned off. 10.6V MODEL 1 DOWN-T: SPEKTRUM DX7 2.4GHz...

  • Page 52: Servo Monitor

    This product contains a radio transmitter with wireless technology which has been tested and found to GEAR FLAP be compliant with the applicable regulations governing a radio transmitter in the 2.400GHz to 2.4835GHz AUX2 frequency range. Press to enter Function Mode SPEKTRUM DX7 • HELICOPTER PROGRAMMING GUIDE SPEKTRUM DX7 • GENERAL INFORMATION...

  • Page 53: Servo Precautions

    Servo Precautions Federal Aviation Administration • Do not lubricate servo gears or motors. Purpose • Do not overload retract servos during retracted or extended conditions. Make sure they are able to travel their full deflection. Overloading or stalling a servo can cause excessive current drain. This advisory outlines safety standards for operations of model aircraft.

  • Page 54: Daily Flight Checks

    1. Check the battery voltage on both the transmitter and the receiver battery packs. Do not fly below 9.0V on Horizon Hobby, Inc. guarantees this product to be free from defects in both material and workmanship for a the transmitter or below 4.7V on the receiver. To do so can crash your aircraft.

  • Page 55: Declaration Of Conformity

    Provided warranty conditions have been met, your Product will be repaired or replaced free of charge. Repair or International Operations and Risk Management Champaign, IL USA replacement decisions are at the sole discretion of Horizon Hobby. Horizon Hobby, Inc. Oct 25, 2008...

  • Page 56: Helicopter Programming Guide

    RUDDER PROGRAM – MIX 2 SELECT FLAP 2 – MIX 3 ELEV FLAP 0 FLAP SYSTEM FLAP AILE ELEV RUDD NORMAL DOWN REVO MIX DUAL RATE • STUNT DOWN EXPO SPEKTRUM DX7 • GENERAL INFORMATION SPEKTRUM DX7 • GENERAL INFORMATION...

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