Transmitter and receiver have been pre-linked before delivery. If you are using another transmitter or receiver, follow the steps below to connect to the receiver's B/VCC port.
1, Insert the supplied link jack into the B/VCC port of the receiver.
2, Plug the 4V-6.5V DC power into other ports, the positive and negative poles can not be connected wrong.
3, Hold down the "BIND KEY" key, then turn on the transmitter to enter link mode.
4, the transmitter will display the RX voltage, it means the link is successful.
5, Remove the binding wire, check the servo operation. If something does not work as expected, repeat this process from the beginning.
FS-i6 Specifications:
* Pushing the left throttle up and down does not automatically return to the center
Channels: 6 channels
Model Type: Multirotor/Fixed Wing/Helicopter
RF range: 2.40-2.48GHz
Brand Width: 500 KHz
RF power: less than 20dBm
2.4 GHz 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
Emitter size: 174 x 89 x 190 mm
Package size: 23.5 x 21 x 10.7 cm
Package Weight: 676g
Power supply: 6V, 4 x AA batteries (not included)
Display mode: STN transflective positive type, 128 x 64 points VA73 x 39 mm matrix, white backlight.
Online Update: Yes
Certification: CE, FCC
Model Memories: 20
Control Range: 500m【It depends on the use environment, weather and other factors】

FS-iA6B Specifications:
Channels: 6 channels
RF range: 2.408 - 2.475 GHz
Band: 135
RF Power: ≤20dBm
RX sensitivity: -105dBm
2.4G System: AFHDS 2A
Code Type: GFSK
Length ANT: 26mm x 2 (dual antenna)
Input Power: DC 4.0-6.5V
Dimensions: 43 x 26 x 15 mm.
Weight: 16 g
I-bus interface: Yes
Data Acquisition Interface: Yes
Model Type: Multirotor/Fixed Wing/Helicopter
Compatible transmitters: Compatible with FS-i6, FS-I6X, FS-I6S, FS-i4

Box contents:
1x FS-i6 transmitter.
1 x FS-iA6B receiver.
1 x connection socket.
1 x manual (English language not guaranteed).

Supports PWM/PPM/i.bus, How to activate 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" to turn it on or off. Press and hold the "CANCEL" key on the right side of the screen for 2 seconds to record. Then the position of the FS-IA6B CH1 receiver outputs PPM.