Horizon Hobby Spectrum STX2 User Manual

1

SPEKTRUM STX2 USER GUIDE

EN

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 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 operating
this product:

NOTICE: Procedures, which if not properly followed, create a possibility of physical property damage AND a little or no
possibility of injury.

CAUTION: Procedures, which if not properly followed, create the probability of physical property damage AND a possibility
of serious injury.

WARNING: Procedures, which if not properly followed, create the probability of property damage, collateral damage, and
serious injury OR create a high probability of superficial injury.

WARNING: Read the ENTIRE instruction manual to become familiar with the features of the product before operating.
Failure to operate the product correctly can result in damage to the product, personal property and cause serious

injury.
This is a sophisticated hobby product. It must be operated with caution and common sense and requires some basic

mechanical ability. Failure to operate this Product in a safe and responsible manner could result in injury or damage to the
product or other property. This product is not intended for use by children without direct adult supervision. Do not attempt
disassembly, use with Incompatible components or augment product in any way without the approval of Horizon Hobby, LLC.
This manual contains instructions for safety, operation and maintenance. It is essential to read and follow all the instructions
and warnings in the manual, prior to assembly, setup or use, in order to operate correctly and avoid damage or serious
injury.

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.

Age Recommendation: Not for Children under 14 years. This is not a toy.

NOTICE: This product is only intended for use with unmanned, hobby-grade, remote-controlled vehicles. Horizon Hobby

disclaims all liability outside of the intended purpose and will not provide warranty service related thereto.

WARRANTY REGISTRATION

Visit www.spektrumrc.com/registration today to register your product.

SAFETY PRECAUTIONS

• Alwaysensureallbatterieshavebeenproperlychargedpriortousingthemodel.

• Alwayscheckallservosandtheirconnectionspriortoeachrun.

• Neveroperateyourmodelnearspectators,parkingareas

or any other area that could result in injury to people or damage of property.

• Neveroperateyourmodelduringadverseweatherconditions.Poorvisibilitycancausedisorientationandlossofcontrolof

your model.

• Neverpointthetransmitterantennadirectlytowardthemodel.Theradiationpatternfromthetipoftheantenna
is inherently low.

• Ifatanytimeduringtheoperationofyourmodelyouobserveanyerraticorabnormaloperation,immediatelystop

operation of your model until the cause of the problem has been ascertained and corrected.

2 SPEKTRUM STX2 USER GUIDE

EN

A. Servo Reversing

To reverse the Throttle (TH) or Steering (ST) channel, switch
the position of the correlating switch—“N” is for normal,
“R” is for reverse.

B. Throttle Trim

Adjusts the throttle neutral point

C. Steering Trim

Adjusts the steering center point. Normally, the steering
trim is adjusted until the vehicle tracks straight.

D. THROTTLE RATE

Adjusts the end point of the throttle

E. STEERING RATE

Adjusts the end point of the steering

F. Indicator Lights

• Solid red lights: Indicates radio connectivity and

adequate battery power

• Flashing red lights: Indicates the battery voltage is

critically low. Replace batteries

G. Throttle Limit

Limits throttle output to 50/75/100%
Select 50% or 75% for less experienced drivers or when
you are driving the vehicle in a small area.

H. Antenna
I. Power Button
J. Throttle/Brake
K. Steering Wheel

TRANSMITTER FUNCTIONS

2.4GHZ DIGITAL
RADIO SYSTEM

A

B

D

F

E

G

J

I

H

K

C

INSTALLING THE TRANSMITTER BATTERIES

2.4GHZ DIGITAL
RADIO SYSTEM

CAUTION: If using rechargeable batteries, charge only rechargeable batteries. Charging non-rechargeable batteries
may cause the batteries to burst, resulting in injury to persons and/or damage to property.

This transmitter requires 4 AA batteries.

1. Remove the battery cover from the transmitter.

2. Install the batteries as shown.

3. Install the battery cover.

CAUTION: Risk of explosion if battery is replaced by an incorrect type. Dispose of used batteries according to
national regulations.