Spektrum SPM4650 User Manual
SPM4650 SRXLV2 SERIAL MICRO RECEIVER
SPM4650 SRXLV2 SERIELLER MICRO-EMPFÄNGER
MICRO-RÉCEPTEUR EN SÉRIE SPM4650 SRXLV2
MICRO RICEVENTE SERIALE SPM4650 SRXLV2
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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 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 superfi cial 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.
WARRANTY REGISTRATION
Visit https://www.spektrumrc.com/MyAccount/Register.aspx today to register
your product.
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SPECIFICATIONS SPM4650
Type DSMX SRXL2 Micro Serial Receiver
Dimensions (L × W × H) 17mm x 13mm x 5mm
Antenna Length 100mm
Weight 1.4g
Voltage Range 3.3V – 8.4V
Spektrum SRXL2
The SPM4650 uses SRXL2™ to communicate with fl ight controllers. SRXL2 is
a serial communication protocol (a bi-directional data link, one signal wire can
communicate all control and telemetry). Previous Spektrum serial receivers
were based on 1st generation Spektrum remote receiver protocol, which is not
compatible with SRXL2.
To learn more about the features & benefi ts of SRXL2 visit http://SRXL2.com
Installation Instructions
Wiring for the receiver can be directly soldered to the SPM4650 or the included
4-pin connector can be soldered onto the receiver and used to make the connection
to the fl ight controller.
1. Connect the receiver to your fl ight 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 fi ber, and wiring.
WARNING: Do not kink, cut or damage the antenna wire. The
antenna is made of a coaxial wire; if the outer sheath becomes
damaged, the receiver will not work properly.
Orange LED
Bind Button
Negative
Positive
No Connect
TX/Rx Signal
SRXL V2
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Active portion
of antennas
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Binding
The SPM4650 requires a 3.3V – 8.4V volt power supply from the fl ight 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 SPM4650 receiver may be put into bind mode through the
fl ight controller interface.
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