Spektrum SPMSR3520 User Manual
![Spektrum SPMSR3520 Receiver manual cover](/images/iIdGRVoFzVcRMtJJbBVMWuWh/thumbs/thumb175x175.webp)
To bind the SPMSR3520 Receiver, first insert the bind plug into the BIND/PROG port. Power the receiver, and the LED will flash, indicating it's in bind mode. Follow the transmitter's instructions to complete the binding process. Once bound, remove the bind plug.
The SPMSR3520 Receiver typically has a range of up to 2 kilometers, depending on the environment and conditions, but always perform a range test before usage to ensure proper function.
To update the firmware, download the latest version from the Spektrum website. Connect the receiver to your computer using a compatible interface, and follow the on-screen instructions provided by the Spektrum Updater software.
First, ensure that the receiver is properly powered. Check the connections and rebind the receiver to the transmitter. If the problem persists, try resetting the receiver or consulting the user manual for troubleshooting steps.
The SPMSR3520 Receiver is compatible with most DSMR and DSM2 compatible Spektrum transmitters. Verify the compatibility in the transmitter's manual or on the Spektrum website.
To perform a range test, power on both the transmitter and receiver. Follow the transmitter's manual to activate range test mode, then walk away from the model while observing the response from the receiver. The signal strength should remain steady at a reduced range.
The receiver's LED will flash slowly when the battery is low. Ensure to land or bring back your model immediately to replace or recharge the battery.
Ensure the antenna is fully extended and positioned correctly. Avoid metal surfaces and other electronic devices during operation. If interference persists, try changing the frequency channel on your transmitter if possible.
Regularly inspect the antenna and connections for damage. Keep the receiver clean and dry, and perform firmware updates as needed to ensure optimal performance.
Signs of a faulty receiver include no response to the transmitter, erratic behavior, or failure to bind. Verify all connections and power sources. If issues persist, consult the manufacturer for support or consider a replacement.