NO RX FM800 RX2A PRO DSM2 AC900(S-FHSS+D16)
ET100 V2 PNP ET115 3S PNP ET125 V2 PNP
ET V2/3S Series
Instruction manual
User manual and video please visit:WWW.LDARC.COM
Note: 2S configuration using 3S battery will cause damage to electronic equipment
Name
Flytower 20*20(V2) F411+OSD FC+4in1 ESC 12A BLHeliS
Receiver FM800,RX2A PRO,DSM2,AC900(S-FHSS+D16)
Camera OV231(800TVL 150
VTX Q100 VTX(25mW/100mW 16CH)
(not include battery&receiver)
Weight
Wheelbase
Motor
Battery
Prop
ET100 V2 ET115 3S ET125 V2
。
NTSC)
Only 2SInput Voltage
78.6g
100mm
XT1103-7800KV
7.4V 450mAh 80C(JST)
1935
11.1V 600mAh 50C(XT30)
2-3S Only 2S
97.3g
115mm
XT1105-5000KV
7.4V 550mAh 80C(JST)
2345
XT1104-7500KV
96.7g
125mm
2840
190527
ET100 V2 Configuration
Wheelbase：100mm
Flytower 20*20(V2)：
F411+OSD
4in1 12A BLheliS
VTX：Q100(25mW/100mW 16CH)
Camera：OV231(800TVL 150
Motor：XT1103-7800KV
Prop：1935
Battery：7.4V 450mAh 80C(JST)
Voltage：7.4V
Weight：78.6g(not include battery and receiver)
Receiver：FM800,RX2A PRO,DSM2，
AC900(S-FHSS+D16)
。
NTSC)
Package List
PNP*1
ET Canopy×１
Suitcase*1
ET100 V2/115 3S
Red Canopy×１
1935 Prop*4Pairs
(Color random)
ET100 V2/115 3S
Clear Black Canopy×１
7.4V 450mAh 80C*1(JST)
Paper Stickers*1
-1-
ET115 3S Configuration
Wheelbase：115mm
Flytower 20*20(V2)：
F411+OSD
4in1 12A BLheliS
VTX：Q100(25mW/100mW 16CH)
。
Camera：OV231(800TVL 150
Motor：XT1105-5000KV
Prop：2345
Battery：11.1V 600mAh 50C(XT30)
Voltage：11.1V
Weight：97.3g(not include battery and receiver)
Receiver：FM800,RX2A PRO,DSM2，
AC900(S-FHSS+D16)
NTSC)
Package List
PNP*1 11.1V 600mAh 50C*1(XT30)
ET Canopy×１
Suitcase*1
ET100 V2/115 3S
Red Canopy×１
2345 Prop*4Pairs
(Color random)
ET100 V2/115 3S
Clear Black Canopy×１
Paper Stickers*1
-2-
ET125 V2 Configuration
Wheelbase：125mm
Flytower 20*20(V2)：
F411+OSD
4in1 12A BLheliS
VTX：Q100(25mW/100mW 16CH)
。
Camera：OV231(800TVL 150
Motor：XT1104-7500KV
Prop：2840
Battery：7.4V 550mAh 80C(JST)
Voltage：7.4V
Weight：96.7g(not include battery and receiver)
Receiver：FM800,RX2A PRO,DSM2，
AC900(S-FHSS+D16)
NTSC)
Package List
PNP*1 7.4V 550mAh 80C*1(JST)
ET Canopy×１
VTX
Suitcase*1
ET125 V2
Red Canopy×１
2840 Prop*4Pairs
(Color random)
ET125 V2
Clear Black Canopy×１
Paper Stickers*1
4.0V VIN GND VIDEO
25mW
100mW
Antenna
Click the key change frequency point
LED Frequency table
- +
+ VIN
GND
-
2S-4S Lipo
7V-18V
Q100-Mini 25mW/100mW 16CH VTX (2S-4S Lipo 7V-18V)
L=28mm,W=11mm,Weight=2.5g(Without camera and wire)
Please attention ventilation cooling
-3-
Pin definition
CURRENT
PWM4
GND
PWM3
5V(BUZZER+)
LED STRIP
BUZZER-
GND
GND
PWM2
GND
PWM1
BATTERY+
BATTERY+
S.BUS and PPM receiver connection
BETAFLIGHT
Supply voltage is 5V
PPM or invert RX2 signal input
AUDIO
SIGNAL
CAM
USB
PPM+RX2-INV
3V3
5V
GND
GND
VCC
TX2-INV
RX2-INV
AUDIO
VIDEO
GND
5V
BATTERY+ RX2
5V GND
DSM2 and DSMX receiver connection
GND
GND
GNDBATTERY+
BATTERY+
VIDEO
AUDIO
GND
TX1
5V RX1
BATTERY+ RX2
5V GND
GND
TX1
Only KKT-F411(20x20)-90214 version
TX2
VIDEO
Supply voltage is 3.3V
NOT invert RX2 signal input
TX2
VIDEO
5V
3V3
GND
PPM+RX2-INV
SBUS/PPM
iBUS receiver connection
Supply voltage is 5V
NOT invert RX1 signal input
GND
TX1
5V RX1
5V
3V3
PPM+RX2-INV
DSM2/DSMX
GND
GND
5V RX1
TX1
5V
3V3
GND
PPM+RX2-INV
iBUS etc.
-4-
ESC
Motor
M4(CW) M2(CCW)
M4
M3
+ -
M2
M1
M3(CCW)
Note:pay attention to the direction of rotation of the motor
when installing the prop
M1(CW)
Receiver Bind
AC900(S-FHSS+D16) bind,transmitter(FRSKY X9D/Futaba T18SZ)
Bind:Check receiver mode before bind,the first blink after power on indicate the setting, is S-FHSS, is D16
FUTABA S-FHSS BIND:Turn on the TX then power on AC900 while pressing the key, green LED fast blink meaning already in bind
mode, user can release the key. Bind procedure is completed and the receiver is working normally when green LED is solid
FRSKY D16(NO Telemetry) BIND:Power on AC900 while pressing the key, green LED fast blink meaning already in bind mode,
user can release the key, then set your TX into D16 bind mode. red LED solid meaning bind finished, exit TX from bind mode,
receiver’s green LED solid meaning working normally
-5-
-6-
RX2A PRO Bind(S.BUS),transmitter(FLYSKY FS-i6)
BIND:Power on the receiver while pressing the key,green LED fast blink meaning already in bind mode,
user can release the key,then set your TX into bind mode.Green LED turn off and red LED solid mean bind finished,
exit TX from bind mode,receiver’sgreen LED solid mean working normally.
Firmware Update
BETAFLIGHT firmware allready flash before leave the factory,user just need connect PC to adjust the parameter
1.Open betaflight configuration ,then click ,select FW version
MATEKF411
3.5.3- MATEKF411 -15-11-2018 13:35(stable)
2.Click ,then click to download FW to FC, click after FW
updating finish into setting menu
3.Calibration“Calibrate Accelerometer”
4.Selected UART3,then open“Serial RX”switch and saved
Connect
-7-
5.Configuration，select ESC protocol“DSHOT600”，Set up the receiver protocol，then open LED,OSD and
DYNAMIC_FILTER
6.PID setting
40
58
36
-8-
30
35
7.Default setting of receiver is 5th channel ARM(AUX1),6th channel mode switching(AUX2)
FLIP OVER AFTER CRASH please upgrade the firmware to 3.2.1 version first,then set by BETAFLIGHT
8.Setting 7th channel mode switching(AUX2).
9.Input“set small_angle = 180 ”,then set
-9-
Product and Factory Code
Name
ET100 V2 PNP NO RX
ET100 V2 PNP AC900
ET100 V2 PNP FM800
ET100 V2 PNP RX2A PRO
ET100 V2 PNP DSM2
ET100 V2 KIT
ET115 3S PNP NO RX
ET115 3S PNP AC900
ET115 3S PNP FM800
ET115 3S PNP RX2A PRO
ET115 3S PNP DSM2
ET115 3S KIT
ET125 V2 PNP NO RX
ET125 V2 PNP AC900
Factory Code
PNP.ET100 V2.NO RX
PNP.ET100 V2.AC900
PNP.ET100 V2.FM800
PNP.ET100 V2.RX2A PRO
PNP.ET100 V2.DSM2
KIT.ET100 V2
PNP.ET115 3S.NO RX
PNP.ET115 3S.AC900
PNP.ET115 3S.FM800
PNP.ET115 3S.RX2A PRO
PNP.ET115 3S.DSM2
KIT.ET115 3S
PNP.ET125 V2.NO RX
PNP.ET125 V2.AC900
Name
1935 Prop
2345 Prop
2840 Prop
Battery 7.4V 450mAh 80C
Battery 7.4V 550mAh 80C
Battery 11.1V 600mAh 50C
Carbon fiber plate(ET100 Part)
Carbon fiber plate(ET115 Part)
Carbon fiber plate(ET125 Part)
XT1103-7800KV
XT1104-7500KV
XT1105-5000KV
Flytower 20*20(V2)
4in1 ESC 12A(KK Tower Part)
Factory Code
PROP.1935.3.WHITE
PROP.2345.3.WHITE
PROP.2840.3.WHITE
BAT.7.4V 450MAH 80C
BAT.7.4V 550MAH 80C
BAT.11.1V 600MAH 50C
PART.BOTTOM PLATE.ET100
PART.BOTTOM PLATE.ET115
PART.BOTTOM PLATE.ET125
MOTOR.XT1103-7800KV
MOTOR.XT1104-7500KV
MOTOR.XT1105-5000KV
FLYTOWER.20*20(V2)
ESC.KK TOWER 12A
ET125 V2 PNP FM800
ET125 V2 PNP RX2A PRO
ET125 V2 PNP DSM2
ET125 V2 KIT
OV231
Q100 VTX
LED+Buzzer(ET V2/3S Part)
Air Cowling(Φ5 M2)
PNP.ET125 V2.FM800
PNP.ET125 V2.RX2A PRO
PNP.ET125 V2.DSM2
KIT.ET125 V2
CAM.OV231
VTX.Q100
PART.LED+BUZZER(ET V2/3S PART)
PRRT.AIR COWLING(
Φ5 M2
)
F411+OSD FC(V2)
2 Layer Tower Screw(KK Tower Part)
Wire(KK Tower Part)
ET100 V2/115 3S Canopy
ET125 V2 Canopy
1.9 inch black propeller protector
(all surround)
2.3 inch black propeller protector
(all surround)
2.8 inch black propeller protector
(all surround)
FC.F411+OSD(FLYTOWER 20*20 V2)
PART.KK TOWER SCREW(2 LAYER)
PART.KK TOWER WIRE
PART.ET100 V2/115 3S CANOPY
PART.ET125 V2 CANOPY
PART.1.9 PROTERTOR ALL.BLACK
PART.2.3 PROTERTOR ALL.BLACK
PART.2.8 PROTERTOR ALL.BLACK
After Sale Service
1.Provide free reparation service when find the product defect after purchase.
2.Provide pay-needed reparation service when product damage because improper operation.
3.China customers please contact with the after-sales service,overseas client please contact the dealer.
PNP/RTF Test report ID :
Flight test
Transmitter functions properly
Flying in good condition
Camera OK
VTX OK
QC:
Package check
PNP
RTF
Frame
Transmitter
ID is the same
All parts of the installation
Insulating sleeves have been installed manual
Complete accessories,total packages
-10-
QC:
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