Spektrum DX8G2 - User Manual

Questions and Answers

M
michaelcrawfordJul 30, 2025
What to do if my Spektrum DX8G2 Remote Control aircraft will not bind to the transmitter?
- S
  Susan LopezJul 30, 2025
  If your aircraft won't bind to the transmitter, consider these potential causes: The transmitter might be too close to the aircraft during binding; move it a few feet away and try again. Large metal objects nearby can interfere with the signal; move the aircraft or transmitter away from them. Ensure the bind plug is correctly installed in the bind port. Low battery charge in either the flight or transmitter battery can prevent binding, so replace or recharge the batteries. Also, if you're using a DX8 EU version transmitter with a DSM2 receiver, note that they are incompatible.
C
chaveztracyAug 4, 2025
Why Spektrum DX8G2 Remote Control receiver goes into failsafe mode a short distance away from the transmitter?
- A
  Amber HarrisAug 4, 2025
  If the receiver enters failsafe mode when it's a short distance from the transmitter, examine the receiver antenna for any cuts or damage. You may need to replace it or contact Horizon Product Support. Also, check if the main and remote receivers are too close together; they should be installed at least 2 inches (51mm) apart.
D
David SmithAug 8, 2025
What to do if Spektrum DX8G2 Remote Control receiver loses its bind?
- S
  Sean CarlsonAug 8, 2025
  If the receiver loses its bind, it might be because the bind button was pressed before the transmitter was powered on. To resolve this, rebind by following the binding instructions.
J
Jeremiah LeeAug 13, 2025
What to do if Spektrum DX8G2 receiver quits responding during operation?
- K
  Karen PerryAug 13, 2025
  If the receiver stops responding during operation, it could be due to low battery voltage. Completely recharge the flight battery. Another potential cause is loose or damaged wires or connectors between the battery and receiver. Inspect these wires and connections, and repair or replace them as needed.
J
James MckinneyAug 16, 2025
Why Flight log registers undesirable number of fades, losses or holds or aircraft responds irregularly to controls in Spektrum DX8G2 Remote Control?
- C
  Claudia SheltonAug 17, 2025
  An undesirable number of fades, losses, or holds in the flight log, or irregular aircraft control responses, can stem from several issues. Poor signal reception may be the cause; reposition remote receivers to improve RF signal path diversity. Electronic feedback from servos or motor systems to the ESC or receiver could also be a factor; check for and eliminate any feedback. Low power can also contribute; assess the aircraft's power draw and either increase battery power or reduce power demand by installed systems. Ensure all aircraft batteries are fully charged and that the installed BEC for an electric aircraft is adequate for the power demand.
A
anthonyharrisonAug 21, 2025
Why is my Spektrum DX8G2 Remote Control receiver slowly blinking at landing (DSM2 Only)?
- J
  John HernandezAug 21, 2025
  If the receiver is slowly blinking upon landing (DSM2 Only), check the battery voltage, as it may indicate a loss of power to the receiver during flight. Also, ensure you power off the transmitter when the receiver is powered off. This issue can occur if the system was powered on and connected, and then the receiver was powered off without powering off the transmitter.
M
Mark MayOct 26, 2025
What to do if my Spektrum DX8G2 aircraft will not link after binding?
- J
  Jennifer ChavezOct 26, 2025
  If your aircraft doesn't link to the transmitter after binding, several factors could be at play. Ensure the transmitter isn't too close to the aircraft during the linking process; move it a few feet away, then disconnect and reconnect the flight battery to the aircraft. Check for large metal objects nearby and move the aircraft or transmitter away from them. Verify that the bind plug isn't left in the bind port; if it is, rebind the transmitter to the aircraft and remove the bind plug before cycling power. If using ModelMatch™ radios, confirm that the correct model memory is selected on the transmitter. Low battery charge in either the flight or transmitter battery can also cause this, so replace or recharge the batteries. Ensure the aircraft is bound to the transmitter. A damaged remote ...

Summary

Meaning of Special Language

NOTICE

Definitions for potential harm during operation.

CAUTION

Procedures that can cause physical damage and serious injury.

WARNING

Procedures that can cause property damage, collateral damage, or serious injury.

General Notes

Pilot Safety

DX8 FEATURES

BOX CONTENTS

BATTERY AND CHARGING PRECAUTIONS AND WARNINGS

CHARGING THE LITHIUM ION BATTERY PACK

Instructions for charging the internal Li-Ion battery.

Battery Alarm

Information on setting and using the transmitter's battery alarm.

TRANSMITTER FUNCTIONS

MAIN SCREEN

NAVIGATION

Explains how to navigate menus and screens using controls.

Auto Switch Select

Guide for easily selecting switches for functions.

SD CARD

Installing the SD Card

Steps to insert the SD card into the transmitter for data storage.

Registering the Transmitter with Spektrum

Process to export and upload the transmitter serial number for registration.

Update AirWare Software

Automatically Installing AirWare Software Updates

Steps for automatic firmware updates via the website.

Manually Installing AirWare Software Updates

Steps for manually updating firmware using an SD card.

BINDING

Binding Using the Receiver and Receiver Battery

Procedure for binding a receiver with a separate battery.

Binding Using the Receiver and ESC

Procedure for binding a receiver with an ESC.

RECEIVER POWER SYSTEM REQUIREMENTS

Recommended Power System Test Guidelines

Guidelines for testing power systems to ensure adequate voltage.

QuickConnect Technology with Brownout Detection (DSM2 Only)

Explanation of brownout detection and reconnection features.

PROGRAMMING FAILSAFE POSITIONS

SmartSafe Failsafe

Details on the SmartSafe failsafe for throttle control.

Hold Last Command

Describes the failsafe that holds the last commanded input.

Preset Failsafe

Explains how to set specific failsafe positions for all channels.

MODEL TYPE PROGRAMMING GUIDE

SYSTEM SETUP

Model Select

How to access and manage model memory locations.

Model Type

Guide for selecting the aircraft model type, affecting menu options.

Model Name

F-Mode Setup

Sailplane Flight Mode Setup

Spoken Flight Mode Setup

Channel Assignment

Channel Input Configuration

Trim Setup

Model Utilities

Create New Model

Procedure for creating a new model memory.

Delete Model

Procedure for permanently deleting a model from memory.

Copy Model

Model Reset

Sort Model List

Warnings

TELEMETRY

Telemetry Settings

Options for configuring telemetry display and units.

Telemetry Auto-Configuration

How to automatically detect and configure telemetry sensors.

AS3 X Gain Live View (ACRO and SAIL Types Only)

Real-time display and adjustment of AS3X receiver gain values.

Telemetry Alarms

Preflight Setup

Frame Rate

Modulation Mode

Bind

TRAINER

Wired Trainer

Setup for using a wired trainer connection.

Master Override

How an instructor can regain control during trainer operation.

Wireless Trainer

Master Override

Instructor regaining control in wireless trainer mode.

Trainer FPV Mode

Digital Switch Setup

Sound Utilities

SYSTEM SETTINGS

User Name

Setting a custom name for the transmitter's main screen.

Contrast

Adjusting the screen's contrast level.

Backlight

Configuring screen backlight time and brightness.

Mode

Battery Alarm

Selecting a Language

Inactive Alarm

Extra Settings

Sound Systems

Enabling or disabling system sounds.

Trim Style

Changing the visual appearance of trim indicators.

Volume Controls

Adjusting volume levels for different sound events.

System Warnings

Setting alarms for inactivity and low voltage.

Serial Number

Exporting the Serial Number to the SD Card

Locating the Transmitter AirWare Software Version

Calibrate

Transfer SD card

Import Model

How to copy model files from an SD card to the transmitter.

Import All Models

Copying all model files from an SD card.

Export Model

How to save a single model file to an SD card.

Export All Models

Saving all model files from the transmitter to an SD card.

Updating Spektrum DX8 Sound Files

Update AirWare Software

Automatically Installing AirWare Software Updates

Steps for automatic firmware updates.

Manually Installing AirWare Software Updates

Steps for manual firmware updates.

FUNCTION LIST

Servo Setup

Menu for adjusting servo travel, sub-trim, and reversing.

Travel Adjust

Setting the overall travel or endpoints for servo arms.

Sub-Trim

Adjusting the servo travel center point.

Reverse

Reversing the direction of a servo channel.

Speed

Balance

AS3 X Gain Live View (ACRO and SAIL Types only)

D;R & Exponential

Differential (ACRO and SAIL Types only)

Throttle Cut (ACRO and HELI Types only)

Throttle Curve (ACRO and HELI Types only)

V-Tail Differential

Camber Preset

Camber System

Flap System

Mixing

Assigning a Mix to a Switch

Procedure to assign a programmed mix to a specific switch.

Back Mixing

Range Test

Timer

Timer Event and Timer Control Alerts

Telemetry

Custom Voice Setup

Switch Change Report

Setting up alerts for specific switch positions.

Stepping Events

Creating sequential voice alerts triggered by switch movements.

Monitor

ACRO (AIRPLANE)

Aircraft Type

Selecting wing and tail configurations for airplanes.

Icon

Changing the graphical icon representing the aircraft.

Elevon Servo Control

Flap System

ACRO Mixing

Rudder to Aileron;Elevator

Mix for coordinated turns in knife-edge flight.

Aileron to Rudder

Mix to overcome adverse yaw characteristics.

Elevator to Flap

Mix for adding lift and tighter turns.

HELI (HELICOPTER)

Swash Type

Assigning the correct swashplate type for the helicopter.

Collective Type

Setting collective pitch operation for reversed collective.

Pitch Curve

Adjusting collective pitch in five flight modes.

Swashplate

Gyro

Tail Curve

Mixing

SAIL (SAILPLANE)

Sailplane Type

Selecting wing and tail configurations for sailplanes.

Camber Preset

Programming ailerons, flaps, and elevator for specific flight modes.

Camber System

In-flight camber adjustment and braking system setup.

SAIL Mixing

Aileron to Rudder

Mix for coordinated turns in sailplanes.

Aileron to Flap

Mix to operate flaps with aileron input.

Elevator to Flap

Mix for adding lift and tighter turns.

Flap to Elevator

Mix to prevent pitch up with Crow/Butterfly.

V-Tail Differential

Adjusting differential for V-tail configurations.

MULTI (MULTIROTOR)

Multirotor Model Type

Overview of multirotor model setup options.

F-Mode Setup

Assigning switches to control flight modes.

Channel Assign

Assigning transmitter channels to outputs for flight modes.

Trim Setup

Setting trim values for individual flight modes.

D;R & Exponential

Motor Cut

Motor Curve

PHYSICAL TRANSMITTER ADJUSTMENTS

TRANSMITTER MODE CONVERSION

Steps to change transmitter modes (1-4) via software and hardware.

Mechanical Conversion

Hardware adjustments required for mode changes.

Changing the Throttle Ratchet

Procedure to change the throttle's ratchet mechanism.

Adjusting the Elevator Centering Screw

Moving the Throttle Limiting Wedges

Re-assembling the Transmitter

Adjust Stick Tension

Adjust Throttle Friction Straps

Adjusting the Throttle Ratchet Strap

Control Stick Length Adjustment

TROUBLESHOOTING GUIDE

1-YEAR LIMITED WARRANTY

What this Warranty Covers

Details on what the warranty includes and excludes.

What is Not Covered

Specifies exclusions from the warranty coverage.

Limitation of Liability

Legal limitations on Horizon Hobby's liability.

WARRANTY SERVICES

How to obtain support and service from Horizon Hobby.

WARRANTY AND SERVICE CONTACT INFORMATION

FCC INFORMATION

IC INFORMATION

FAA INFORMATION

AMA NATIONAL MODEL AIRCRAFT SAFETY CODE

COMPLIANCE INFORMATION FOR THE EUROPEAN UNION

Spektrum DX8G2 Specifications

General

Modulation	DSMX
Proper use	Airplane, Aircraft
Product type	Remote control
Rubber grips	Yes
Product color	Black
Frequency band	2.4 GHz
Channels quantity	8 channels
Brand compatibility	Any brand
Display type	LCD
Battery capacity	2000 mAh