The transmitter and receiver were pre-bound before delivery. If you are using a different transmitter or receiver, follow the steps below to connect to the receiver's B/VCC port.
1, Connect the included binding cable to the receiver's B/VCC port.
2, Plug the DC 4V-6.5V power supply into other ports, the positive and negative poles cannot be wrongly connected.
3, Keep pressing the "BIND KEY", and then turn on the transmitter to enter the binding mode.
4, The transmitter will display the RX voltage, that means the binding is successful.
5, Remove binding wire, Check the operation of the servos. If something doesn't work as expected, start this process from the beginning.

FS-i6 Specifications:
*Pushing the left throttle stick up and down does not automatically return to center
Channels: 6 CH
Model Type: Multirotor/Fixed Wing/Heli
[Parameters can be set to support quadcopters, although there is no quadcopter icon in the TX menu.]
RF Range: 2.40-2.48GHz
Mark width: 500KHz
RF Power: Less than 20dBm
2.4GHz system: AFHDS 2A and AFHDS
Code type: GFSK
Sensitivity: 1024
Low voltage warning: less than 4.2V
DSC connector: PS2; Output: PPM
Charging Port: No
Transmitter weight: 392g
Transmitter size: 174x89x190mm
Packing size: 23.5 x 21.2 x 10.6cm
Package Weight: 676g
Power: 6V, 4 x AA battery (not included)
Display mode: STN transflective positive type, 128 x 64 dot matrix VA73 x 39mm, white backlight.
Online update: yes
Certification: CE, FCC
Model Memories: 20
Control range: 500m【It depends on the usage environment, weather and other factors】

FS-iA6B Specifications:
Channels: 6CH
RF range: 2.408 - 2.475 GHz
Band:135
RF Power: ≤20dBm
RX Sensitivity: -105dBm
2.4G system: AFHDS 2A
Code type: GFSK
ANT length: 26mm * 2 (dual antenna)
Input power: 4.0-6.5V DC
Dimension: 43x26x15mm
Weight: 16g
i-bus interface: Yes
Data Acquisition Interface: Yes
Model Type: Multirotor/Fixed Wing/Heli
Compatible Transmitters: Compatible with FS-i6, FS-I6X, FS-I6S, FS-i4

Contents of delivery:
1 x FS-i6 Transmitter
1 x FS-iA6B receiver
1 x Binding Cable
1 x Manual【EN & CN】
Support PWM/PPM/i.bus, How to turn on PPM: Press and hold the "OK" button on the right side of the screen for 2 seconds to enter the remote control menu-System-RX Setup-PPM Ostput setting to turn it on or off. Press and hold the "CANCEL" key on the right side of the screen for 2 seconds to save. Then the position of FS-IA6B receiver CH1 outputs PPM.