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1.Open the back cover of the remote control,mounted on the 8 pieces AA batteries.

2.Press the button on the receiver,then plug the power of receiver(to the receiver supply voltage is 5V), after plugging in the 
power and release the button, then the receiver’s LED flashes,Then open the remote control switch, when the remote control 
is turned on the LED will light up after flashing quickly about 2 seconds.the LED on the receiver lights up means frequency 
matches up successfully.

3.If the LED on the receiver is still flashing then repeat the steps above.

4.The steps of using the remote control properly: first,the throttle stick to the lowest, and then turn on the remote control, and 
then the middle LED on the remote control will flash, then connect to the receiver power till the LED lights up.

5.Remote control of the factory has been fixed the frequency, and do not need todo it again. if you encounter the LED on the 
receiver is flashing, check whether theremote control is turned on or not (you can check the middle LED on the remotecontrol 
is lighted up or not). if not turning on the remote control, LED on the receiver will flashes as well. and if the remote control has 
been turned on and still not working then try to fix the frequency again.

6.There are 3 LED on the remote control is used to identify the remote voltage is normal or not . the green one in the middle 
lights up long time means the voltage isnormal; the green one in the middle lights up long time and red ones on both sides 
flash means the voltage is too low and please replace the battery or charge the battery.

SW-A (Function switching over 1, 2 mode)    
SW-B (CH7,CH8,CH9 channel switching over);
SW-C (CH1,CH2 channel mixed control / unmixed control switching over SW) 
SW-A ON.SW-B ON. SW-C MIXED, turn on radio system:CH1 and CH2 
mixed control, CH7 and CH2 synchronization,CH9 and CH1 synchronization, 
CH8 and CH4 synchronization; when the radio system power is turning on, 
SW-A switching over invalid, when SW-B OFF, CH7,8,9 on center. SW-A ON. SW-B OFF, SW-C MIXED,turn on radio system:CH7,
CH8,CH9 autonomous working,CH1 and CH2 mixed control ; when the radio system power is turning on: SW-A switching over 
invalid,SW-B switching over invalid.
SW-A ON, SW-B ON, SW-C MIXED, turn on the radio system:CH1 and CH2 mixed,CH7 and CH2 synchronize (CH7 and CH1 unmixed control), CH8 
and CH4 synchronization ; when the radio system power is turning on:SW-A switching over invalid, SW-B switching over invalid.
SW-A OFF, SW-B OFF, SW-C MIXED,turn on the radio system: CH1 and CH2 mixed,CH7, CH8, CH9 autonomous working; when the radio system 
is turning on:SW-A switching over invalid,SW-B switchingover invalid. 

A

B

C

D

E

F

G

H

Retract control switch

Flap control switch

Vector SW switch

Dual rates servo SW switch

Throttle, rudder rocker

Elevator aileron rocker

Mode 1/2 SW switch

Mixed control switch

H

Summary of Contents for YF-23

Page 1: ...Bao an District Shenzhen China 4th floor B Building Yuanye Industrial Park Baiyun New Village YF 23 YF 23 YF 23 A R C model airplane is not a toy and is not suitable for flyer under 14 years old Read the instructions carefully before any use If you are a beginner it is necessary to let an experienced airplane pilot assist you ...

Page 2: ...p for professional advice precautions Radio controlled models are very demanding and potentially dangerous They call for a high level of technical knowledge and skill from the operator Please always keep this instruction manual ready at hand for quick reference even after completing the assembly machines Note SHENZHEN LANXIANG MODEL AIRCRAFT CO LTD will not take any responsibility for damage or ac...

Page 3: ...ote voltage is normal or not the green one in the middle lights up long time means the voltage isnormal the green one in the middle lights up long time and red ones on both sides flash means the voltage is too low and please replace the battery or charge the battery SW A Function switching over 1 2 mode SW B CH7 CH8 CH9 channel switching over SW C CH1 CH2 channel mixed control unmixed control swit...

Page 4: ...sion cord of retract servo 2 6 3 SPECIFICATION Length 1300mm Wingspan 809mm EDF diametre 2 70mm Flying weight 2600g Thrust 2600g CONTENTS INCLUDE 12CH RC 2 50A brushless ESC 1 5A UBEC 7 digital metal servo 3pcs screw servos 2 2100KV Out brushless motor 6S 25C 4000mAh battery electric brake YF 23 pcs core of conductors ...

Page 5: ...etract 4 The installation of front retract 8 9 6 7 7 8 6 The installation of battery bandage 17 19 12 13 14 15 16 20 21 YF 23 3 The bonding of front fuselage 6 7 8 9 5 The installation of front wheel steering 10 16 10 11 17 18 19 7 Canopy installation 20 25 ...

Page 6: ... 22 23 28 29 8 Cowling installation 26 33 24 25 26 27 10 1 flap retract and brake wheel extend line 34 35 The installation of Horizontal tail aileron YF 23 30 31 32 33 Back fuselage installation 3 34 35 ...

Page 7: ... The bonding of back fuselage 48 49 6 The installation of the permanent seat of EDF cover 50 51 7 The installation of receiver case 52 53 11 36 37 38 39 2 The installation of the wire casing cover and cooling fin 36 41 40 41 3 The installation of EDF and ESC 42 44 42 43 44 ...

Page 8: ...9 60 54 55 56 8 The installation of rear retract 54 56 2 Flap installation 61 64 61 62 Left retract Right retract 14 63 64 65 3 65 Push rod installation Tail wing installation 66 70 5 The connection of the front and back fuselage 71 72 6 71 72 YF 23 66 67 68 69 70 ...

Page 9: ...15 16 YF 23 The connection of the wing and fuselage 73 79 7 The connection of tail wing and fuselage 80 83 8 80 81 82 83 86 87 88 89 73 74 75 The receiver installation 84 99 9 84 85 78 79 76 77 ...

Page 10: ...18 17 92 93 94 95 The power on of remote control 100 101 10 100 101 Battery installation 102 105 11 102 103 104 105 YF 23 90 91 98 99 96 97 ...

Page 11: ...and wait for approximately 2 seconds 3 Beep beep will sound which indicates full throttle position 7 The system is ready to take off 6 which indicates the lowest throttle position Beep will sound 5 A few short stridors indicate the cell of battery 4 Setting up the throttle to the lowest position and wait 1 second Channel Testing 13 Rudder testing 107 109 1 106 110 112 2 Aileron testing 110 111 112...

Page 12: ...22 21 YF 23 123 124 121 122 129 130 131 132 Beauty 119 132 14 125 126 127 128 119 120 ...

Page 13: ...24 23 rotary YF 23 YF 23 CG debugging 15 82mm CG ...

Page 14: ...Wire casing cover and cooling fin The wing plug permanent seat The EDF permanent seat Receiver case For aileron For flap For tail wing For connector Spare chucks Glue Decal For front retreact For rear retract Retract controller Brake controller 70mm EDF Motor 50A ESC Servo Battery 12 ch Receiver 12ch Transmitter 001 002 004 005 006 007 008 009 010 012 013 014 016 017 018 020 021 022 024 025 026 02...

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