Type: DSMX Compatible 10 Channels Full Range Diversity Antenna Receiver (Failsafe with UART output)
Number of Channel: 10
Modulation: DSMX Compatible (Also DSM2 backward Compatible)
Band: 2.4 GHz
Dimension: 43(L) x 34(W) x 14(H)  mm
Weight:     12.32g
Voltage Range: 3.45 - 7.2V


Lemon Receiver Manual

How Dual Antennas
An independent processor monitors an incoming signal and choose the appropriate antenna for reception. This allows 2 different location for installing the antennas along with different orientation. Satellite is no longer needed for receiver diversity. This greatly reduces weight with increased overall reliability in comparison to the use of a primary receiver with satellite receiver.

Photo showing below is the diversity receiver for end-pin stabilizer. The same diversity receiver is also used in this product.

Binding (1) Setup
1) Insert bind plug to the receiver.
2) Provide power to the unit.
3) Enable bind mode in transmitter and ensure distance separation of 2 meters from receiver.
4) Remove bind plug.

Binding (2 - Enable 11ms frame rate for high speed digital servo) Setup
1) Insert 2 bind plug to the receiver binding location.
2) Provide power to the unit.
3) Enable bind mode in transmitter and ensure distance separation of 2 meters from receiver.
4) Remove bind plug.
5) Every time when the units are powered, quickly flashing green light indicates 11ms frame rate is enabled.

Setting Fail Safe
Step 1: Start by binding the receiver to the transmitter in the normal way.
Step 2: Proceed as follows to set fail safe (see video: http://www.youtube.com/watch?v=FyW1v12dv_k)
1) Ensure that transmitter and receiver are turned on. 
2) Insert bind plug into the receiver (Note: to set fail safe, bind plug is applied only when the receiver is turned on).
3) Set transmitter controls to the desired fail safe positions.
4) Press the side push button to memorize fail safe settings.
5) Observe that the green light at the end of the receiver turns on to indicate failsafe is set. (Repeat step 4 will cause the LED to turn off which means fail safe is disabled).
6) Remove bind plug.
7) Disconnect the power for at least 2 seconds and then reconnect the power again.
8) Test fail safe by turning off the transmitter.

HUART Output (High speed UART for UAV or quad-flyer application)
TX port (UART, 115200bps, 8N1)

Condition 1)       UART output specification when no signal received (device reset and continuously monitor for valid signal roughly about every 0.5 sec):
                                                - <0x13><'R'><'E'><'S'><'E'><'T'><0x13>
                                                - <0x13> is used as header for beginning and ending identifier

Condition 2)       UART output specification when signal is received ( updated  ~11ms with 2048/11ms DSM2 protocol with 12 bytes of information):
                                                - <0x13><Throttle><Aileron><Elevator><Rudder><Gear><Aux1><Aux2><Aux3><Aux4><Aux5><0x13>
                                                - DEC(0) ~ DEC(255) refer to the approximate value for each of the full range control output for the channels.
                                                - <0x13> is used as header for beginning and ending identifier
                                For example: if all channels are centered except throttle shutdown and AUX is maximized, the UART should output the following.

More about Fail Safe
For Lemon Rx 10 channels receiver, fail safe is available for all channels and some user may found it useful (for robotics application or UAV).

When bind plug is still plugged after successful binding, pressing the mem. button will cause the receiver to memorize all channels settings at the time the button is pressed for use in fail safe. If the fail safe is enabled correctly, green light should be on at the bottom of receiver. Press mem. button again while bind plug is plugged will cause the green light to turn off. This indicate the fail safe mode is disabled. Take the bind plug out before flying!

Even in the event of power disconnected, fail safe settings are still saved and will restore to its functions accordingly when power is provided.

About Fail Safe enabled:
When the primary receiver and satellite receiver is unable to detect any RF signal for continuous time interval of approximately 3 seconds, all channels will be restored to the saved setting. At this point the receiver will try to find valid RF signal. If valid signal is detected, the receiver will use the valid signal immediately.

If you don't like fail safe, make sure green light is not on before flying!

1) This is not a Spektrum DSMX or DSM2 product, nor is it a copy of a Spektrum DSM2 or DSMX product. The Spektrum, DSMX and DSM2 brand is a trademark of Horizon Hobby, Inc.
2) This is not an underground black market fake Spektrum product. Lemon Rx quality is guaranteed.
3) Lemon Rx products are tested to be compatible with Spektrum's DSMX and or DSM2 product (Spketrum, DSMX and DSM2 are the registered trademark of Horizon Hobby, Inc.).

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Lemon Rx 10 Channel DSMP Receiver DSMX Compatible LM0040

  • Brand Lemon RX
  • Product Code: 09-LM0040
  • Availability: In Stock
  • $26.60

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