DSMX SRXL2 - Remote control toy SPEKTRUM - Free user manual and instructions

Product Type	Remote Control Receiver
Brand	Spektrum
Model	DSMX SRXL2
Compatibility	Spektrum DSMX Transmitters
Protocol	DSMX, SRXL2
Number of Channels	Up to 20 channels
Input Voltage	3.5 - 9V DC
Dimensions	30 x 20 x 10 mm
Weight	10 g
Antenna	Single coaxial, 31 mm
Range	Up to 1 km (line of sight)
Main Functions	Receives control signals, outputs servo data via SRXL2 bus
LED Indicators	Power (red), Bind (orange)
Binding Procedure	Press bind button, power on transmitter in bind mode
Fail-Safe	Programmable via transmitter
Firmware Update	Via SPMA3065 USB interface
Maintenance	Keep dry, clean with soft cloth
Safety	Do not use damaged equipment, keep away from water
Spare Parts	Replacement antennas, bind plugs, cables
Environmental Protection	Not waterproof, avoid moisture

Frequently Asked Questions - DSMX SRXL2 SPEKTRUM

How do I bind the Spektrum DSMX SRXL2 receiver to my transmitter?

To bind, connect power to the receiver, press and hold the bind button, then power on your transmitter while it is in bind mode. Release the button when the LED turns solid.

Which transmitters are compatible with the DSMX SRXL2 receiver?

The receiver is compatible with all Spektrum DSMX transmitters. It may also work with some third-party transmitters using DSMX modules.

What is the maximum range of the DSMX SRXL2 receiver?

Under ideal conditions, the range is up to 1 km (line of sight). Actual range may vary based on environment and antenna placement.

How can I update the firmware of the SRXL2 receiver?

Firmware updates require the SPMA3065 USB interface cable. Connect the receiver to your computer and use the Spektrum Programmer software.

How many channels does the SRXL2 receiver support?

The SRXL2 protocol supports up to 20 channels, depending on the transmitter capabilities.

What does SRXL2 mean?

SRXL2 stands for Serial Receiver Link 2, a bidirectional serial bus protocol developed by Spektrum that carries servo data, telemetry, and more.

Can I use this receiver with a DSM2 transmitter?

No, the receiver is only compatible with DSMX transmitters. DSM2 is an older protocol and not supported.

What voltage range can I supply to the receiver?

The receiver operates on a voltage range of 3.5V to 9V DC. Do not exceed 9V to avoid damage.

My receiver is not responding. What should I check?

First, verify power and binding. Ensure the transmitter is on and bound. Check antenna placement and for any physical damage. Re-bind if necessary.

Is the DSMX SRXL2 receiver waterproof?

No, the receiver is not waterproof. Keep it dry and avoid exposure to moisture or water to prevent malfunction.

USER MANUAL DSMX SRXL2 SPEKTRUM

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 or towerhobbies.com and click on the support or resources 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:

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.

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

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

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

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.

NOTICE: This product is only intended for use with unmanned, hobby-grade, remote-controlled vehicles and aircraft. Horizon Hobby disclaims all liability outside of the intended purpose and will not provide warranty service related thereto.

SPM4651T
Type DSMX SRXL2 Serial Telemetry Receiver
Dimensions (L × W × H) 28.2 × 17.3 × 6.6 mm (1.11 × 0.68 × 0.25 in)
Antenna Length 100mm
Weight 3.0g
Band 2.4 GHz
Voltage Range 3.3–8.4V

Spektrum SRXL2

The SPM4651T uses SRXL2 to communicate with flight controllers. SRXL2 is a serial communication protocol using a bi-directional data link in which one wire can communicate all control and telemetry data. Previous Spektrum serial receivers were based on the Spektrum remote receiver protocol, which is not compatible with SRXL2.

To learn more about the features and benefits of SRXL2 visit www.SRXL2.com

Installation instructions

1. Connect the receiver to your flight controller as shown in the diagram below.
2. Install the active portion of the antennas (the exposed section at the end of the antenna wire) as far as possible from metal, carbon fiber, and wiring.

CAUTION: Do not kink, cut or damage the antenna wire. The antenna is made of a coaxial wire; if the outer sheath becomes damaged, the other will not work properly.

Binding

The SPM4651T requires a 5 volt power supply from the flight controller.

1. Press and hold the bind button on the receiver.
2. Power on the aircraft. The orange LED will begin fl ashing.
3. Put the transmitter into bind mode. The bind process is complete when the orange LED on the receiver is solid.

Alternatively the SPM4651T receiver may be put into bind mode through the flight controller interface.

1-YEAR LIMITED WARRANTY

What this Warranty Covers - Horizon Hobby, LLC, (Horizon) warrants to the original 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

This warranty is not transferable and does not cover (i) cosmetic damage, (ii) damage due to acts of God, accident, misuse, abuse, negligence, commercial use, or due to improper use, installation, operation or maintenance, (iii) modification of or to any part of the Product, (iv) attempted service by anyone other than a Horizon Hobby authorized service center, (v) Product not purchased from an authorized Horizon dealer, (vi) Product not compliant with applicable technical regulations, or (vii) use that violates any applicable laws, rules, or regulations.

OTHER THAN THE EXPRESS WARRANTY ABOVE, HORIZON MAKES NO OTHER WARRANTY OR REPRESENTATION, AND HEREBY DISCLAIMS ANY AND ALL IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE PURCHASER ACKNOWLEDGES THAT THEY ALONE HAVE DETERMINED THAT THE PRODUCT WILL SUITABLY MEET THE REQUIREMENTS OF THE PURCHASER'S INTENDED USE.

Purchaser's Remedy

Horizon's sole obligation and purchaser's sole and exclusive remedy shall be that Horizon will, at its option, either (i) service, or (ii) replace, any Product determined by Horizon to be defective. Horizon reserves the right to inspect any and all Product(s) involved in a warranty claim. Service or replacement decisions are at the sole discretion of Horizon. Proof of purchase is required for all warranty claims. SERVICE OR REPLACEMENT AS PROVIDED UNDER THIS WARRANTY IS THE PURCHASER'S SOLE AND EXCLUSIVE REMEDY.

Limitation of Liability

HORIZON SHALL NOT BE LIABLE FOR SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES, LOSS OF PROFITS OR PRODUCTION OR COMMERCIAL LOSS IN ANY WAY, REGARDLESS OF WHETHER SUCH CLAIM IS BASED IN CONTRACT, WARRANTY, TORT, NEGLIGENCE, STRICT LIABILITY OR ANY OTHER THEORY OF LIABILITY, EVEN IF HORIZON HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. Further, in no event shall the liability of Horizon exceed the individual price of the Product on which liability is asserted. As Horizon has no control over use, setup, fi nal assembly, modifi cation or misuse, no liability shall be assumed nor accepted for any resulting damage or injury. By the act of use, setup or assembly, the user accepts all resulting liability. If you as the purchaser or user are not prepared to accept the liability associated with the use of the Product, purchaser is advised to return the Product immediately in new and unused condition to the place of purchase.

Law

These terms are governed by Illinois law (without regard to conflict of law principals). This warranty gives you specific legal rights, and you may also have other rights which vary from state to state. Horizon reserves the right to change or modify this warranty at any time without notice.

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. For questions or assistance, please visit our website at www.horizonhobby.com, submit a Product

Support Inquiry, or call the toll free telephone number referenced in the Warranty and Service Contact Information section to speak with a Product Support representative.

Inspection or Services

If this Product needs to be inspected or serviced and is compliant in the country you live and use the Product in, please use the Horizon Online Service Request submission process found on our website or call Horizon to obtain a Return Merchandise Authorization (RMA) number. Pack the Product securely using a shipping carton. Please note that original boxes may be included, but are not designed to withstand the rigors of shipping without additional protection. Ship via a carrier that provides tracking and insurance for lost or damaged parcels, as Horizon is not responsible for merchandise until it arrives and is accepted at our facility. An Online Service Request is available at http://www.horizonhobby.com/content/service-center_render-service-center. If you do not have internet access, please contact Horizon Product Support to obtain a RMA number along with instructions for submitting your product for service. When calling Horizon, you will be asked to provide your complete name, street address, email address and phone number where you can be reached during business hours. When sending product into Horizon, please include your RMA number, a list of the included items, and a brief summary of the problem. A copy of your original sales receipt must be included for warranty consideration. Be sure your name, address, and RMA number are clearly written on the outside of the shipping carton.

NOTICE: Do not ship LiPo batteries to Horizon. If you have any issue with a LiPo battery, please contact the appropriate Horizon Product Support offi ce.

Warranty Requirements

For Warranty consideration, you must include your original sales receipt verifying the proof-of-purchase date. Provided warranty conditions have been met, your Product will be serviced or replaced free of charge. Service or replacement decisions are at the sole discretion of Horizon.

Non-Warranty Service

Should your service not be covered by warranty, service will be completed and payment will be required without notification or estimate of the expense unless the expense exceeds 50% of the retail purchase cost. By submitting the item for service you are agreeing to payment of the service without notification. Service estimates are available upon request. You must include this request with your item submitted for service. Non-warranty service estimates will be billed a minimum of 12 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-service-center.

ATTENTION: Horizon service is limited to Product compliant in the country of use and ownership. If received, a non-compliant Product will not be serviced. Further, the sender will be responsible for arranging return shipment of the un-serviced Product, through a carrier of the sender's choice and at the sender's expense. Horizon will hold non-compliant Product for a period of 60 days from notifi cation, after which it will be discarded.

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Warranty and Service Contact Information

Country of Purchase	Horizon Hobby Contact Information Address
United States of America	Horizon Service Center (Repairs and Repair Requests)	servicecenter.horizonhobby.com/RequestForm/	2904 Research Rd Champaign, Illinois, 61822 USA
	Horizon Product Support (Product Technical Assistance)	[e-mail].
		877-504-0233
	Sales	[e-mail]
		800-338-4639
EU	Horizon Technischer Service Sales: Horizon Hobby GmbH	[e-mail]	Hanskampring 9 D 22885 Barsbüttel, Germany
		[phone]

FCC Information

FCC ID: BRWQSTLMRX2

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.

CAUTION: Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

This product contains a radio transmitter with wireless technology which has been tested and found to be compliant with the applicable regulations governing a radio transmitter in the 2.400GHz to 2.4835GHz frequency range.

Supplier's Declaration of Conformity

Spektrum Quad Serial Telemetry Receiver (SPM4651T) FCC ID: BRWQSTLMRX2

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.

CAUTION: Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment

does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

Horizon Hobby, LLC

2904 Research Rd.

Champaign, IL 61822

IC Information

IC ID: 6157A-QSTMRX2

CAN ICES-3 (B)/NMB-3(B)

This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device.

Compliance Information for the European Union

CE 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 directive.

A copy of the EU Declaration of Conformity is available online at: http://www.horizonhobby.com/content/support-render-compliance.

Operating Frequency: 2402-2478 MHz

Max EIRP: 20dBm

Instructions for disposal of WEEE by users in the European Union

This product must not be disposed of with other waste. Instead, it is the user's responsibility to dispose of their waste equipment by handing it over to a designated collections point for the recycling of waste electrical and electronic equipment. The separate collection and recycling of your waste equipment at the time of disposal will help to conserve natural resources and ensure that it is recycled in a manner that protects human health and the environment. For more information about where you can drop off your waste equipment for recycling, please contact your local city office, your household waste disposal service or where you purchased the product.

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SPEKTRUM®

© 2019 Horizon Hobby, LLC.

The Spektrum trademark is used with permission of Bachmann Industries, Inc. All other trademarks, service marks and logos are property of their respective owners.

Created 4/19 58918