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RC Groups Lemon LM0087 Essential Instructions

10 channel telemetry-enabled stabilized receiver
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10CH Essential Instructions R1.docx
2022/10/24
Essential Instructions
Lemon 10 channel Telemetry-enabled Stabilized Receiver (LM0087)
Description ....................................................................................................................................... 2
Connections ..................................................................................................................................... 2
Step 1: Powering the Receiver ........................................................................................................... 3
Step 2: Binding the Receiver .............................................................................................................. 3
Binding Using the Bind Button ................................................................................................................................... 3
Binding Using a Bind Plug ........................................................................................................................................... 4
Step 3: Setting Failsafe ...................................................................................................................... 4
Step 4: Activating Stabilization - if required. ....................................................................................... 5
Programming the Receiver ......................................................................................................................................... 5
LED Identification ....................................................................................................................................................... 5
Activating a Stabilization Option ................................................................................................................................ 5
Stabilization ON/OFF Channel .................................................................................................................................... 6
Stabilization Direction ................................................................................................................................................ 6
Stabilization Always-ON (Optional) ............................................................................................................................ 6
Step 5: Using Stabilization - if activated. ............................................................................................. 7
1. Set up the transmitter ............................................................................................................................................ 7
2. Bind the receiver .................................................................................................................................................... 7
3. Test the receiver ..................................................................................................................................................... 7
4. Mount the receiver in the plane ............................................................................................................................ 7
5. Connect servos and speed control (ESC), set switches and wing type .................................................................. 8
6. Verify control directions, adjust centring and servo throws ................................................................................. 8
7. Test stabilization response and direction .............................................................................................................. 9
9. Set dual rates and expo in the transmitter .......................................................................................................... 10
10. Adjust the stabilizer gain pots ............................................................................................................................ 10
11. Prepare for flying ................................................................................................................................................ 10
12. Test fly ................................................................................................................................................................ 10
13. Fine tune stabilizer gain ..................................................................................................................................... 11
14. Restrict Master Gain (if applicable) .................................................................................................................... 12
Using Telemetry .............................................................................................................................. 12
Factory Reset the Receiver .............................................................................................................. 13
Firmware Version ............................................................................................................................ 13
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  • Page 1: Table Of Contents

    10CH Essential Instructions R1.docx 2022/10/24 Essential Instructions Lemon 10 channel Telemetry-enabled Stabilized Receiver (LM0087) Description ............................2 Connections ............................. 2 Step 1: Powering the Receiver ......................3 Step 2: Binding the Receiver ......................3 Binding Using the Bind Button ........................... 3 Binding Using a Bind Plug ............................

  • Page 2: Description

    10CH Essential Instructions R1.docx 2022/10/24 Description The Lemon LM0087 10 channel Stabilized Receiver is intended as a “universal” integrated full range DSMX/DSM2™-compatible receiver. It combines full-range telemetry functions with the well proven Lemon stabilizer technology to provide AS3X®-type stabilization. The slim line case, 10 channels and built-in barometric sensor will be particularly attractive to glider pilots requiring complex wing surface functionality in a compact package.

  • Page 3: Step 1: Powering The Receiver

    10CH Essential Instructions R1.docx 2022/10/24 channel 6 are the second set of pins and that the satellite and sensor connectors are identical. Don’t mix them up. The receiver has a built-in barometric sensor which can provide altitude and vertical speed (vario) data. As delivered, the Lemon 10 channel receiver has stabilization disabled and no internal mixes set.

  • Page 4: Binding Using A Bind Plug

    10CH Essential Instructions R1.docx 2022/10/24 2. Hold down the Bind button B for about 3 seconds. 3. Release button B when the red Receiver Status light starts to flash. 4. If a satellite receiver is used, power cycle the receiver at this point by removing power and applying it again.

  • Page 5: Step 4: Activating Stabilization - If Required

    10CH Essential Instructions R1.docx 2022/10/24 Step 4: Activating Stabilization – if required. Programming the Receiver If the three red Programming LEDs (in a row in the center of the receiver) are all OFF, stabilization is NOT active, and the receiver operates as a standard 10 channel DSMX/DSM2™ compatible receiver. Activating stabilization requires programming the receiver, as explained below.

  • Page 6: Stabilization On/Off Channel

    10CH Essential Instructions R1.docx 2022/10/24 5. When the desired option is reached, tap button C once. 6. Immediately tap button C again to change the state of the option from OFF to ON. 7. Allow the receiver to exit from Mixing mode. 8.

  • Page 7: Step 5: Using Stabilization - If Activated

    10CH Essential Instructions R1.docx 2022/10/24 Given an eight or more-channel transmitter, even with Always-ON active Stabilization can still be turned down to a negligible level by setting CH8 (Master Gain) to -100% (for zero gain, CH8 must be at -150%). To set Stabilization Always-ON, proceed as follows: 1.

  • Page 8: Connect Servos And Speed Control (Esc), Set Switches And Wing Type

    10CH Essential Instructions R1.docx 2022/10/24 Ensure that the active portions of the two main antennas (the silver section about 31mm long) are well separated from each other and from conductive items such as wiring, battery and carbon fibre. They should be approximately at right angles to each other.

  • Page 9: Test Stabilization Response And Direction

    10CH Essential Instructions R1.docx 2022/10/24 4. With end points (limits) and control rates at 100%, check that control surface throws are at the recommended maximums for the model and adjust linkages if necessary. Note that adjusting throws in the transmitter will not affect stabilization responses, so throws need to be set mechanically to give the stabilizer an appropriate amount of control;...

  • Page 10: Set Dual Rates And Expo In The Transmitter

    10CH Essential Instructions R1.docx 2022/10/24 Just as experienced RC pilots check stick directions before the first flight of the day, so a pilot using a stabilizer should check that the surfaces move correctly in response to a disturbance. 9. Set dual rates and expo in the transmitter With the control surfaces set to move in the correct directions and with the full throws recommended for your model, you can now adjust the response to transmitter stick inputs by setting dual rates (D/R) and expo.

  • Page 11: Fine Tune Stabilizer Gain

    10CH Essential Instructions R1.docx 2022/10/24 When satisfied, and at a safe height, turn the stabilizer ON. If the model rolls, dives or turns suddenly, at least one of the gyro directions (LEDs G1, G2, G3) is incorrectly set. Switch OFF the stabilizer immediately! Land and fix.

  • Page 12: Restrict Master Gain (If Applicable)

    10CH Essential Instructions R1.docx 2022/10/24 14. Restrict Master Gain (if applicable) Master Gain is very useful to allow for varying wind conditions. But you don’t want to accidentally set it to very high gain, which can cause disconcerting oscillation. Hence, once you’ve set up the receiver pots with the Master Gain knob or slider about the middle, you may want to limit the maximum available Master Gain.

  • Page 13: Factory Reset The Receiver

    10CH Essential Instructions R1.docx 2022/10/24 Examples of the options available are shown in the pictures below. On the main screen of the transmitter, you can scroll through the available telemetry screens using the roller. The transmitter can record the telemetry data on the SD card for later review, a potentially very valuable feature in the event of problems.

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