FlySky AFHDS 2A

Details

Protocol Number: 28 Autobind: No Channel Re-mapping: Yes Extended Limits: Yes Failsafe Support: Yes Receiver Match: Yes Telemetry: Yes Option Value: Servo refresh rate. A value of 0 gives 50Hz (min), 70 gives 400Hz (max). Specific refresh rate value can be calculated as option=(refreshrate50)÷5option=(refreshrate-50) \div 5

Notes

Models: FS-iA6B, FS-iA10B, etc.

Telemetry

If telemetry data is incomplete (for example, missing receiver RSSI) you need to upgrade your RX firmware to version 1.6 or later. You can do it from an original FlySky radio, or using an ST-Link programmer, as explained in this tutorial.

Suggested OpenTX RSSI alarm threshold settings:

OpenTX Version

Low Threshold

Critical Threshold

Prior to 2.3.0

15

12

2.3.0 and later

70

50

Channel Assignment

CH1

CH2

CH3

CH4

CH5

CH6

CH7

CH8

CH9

CH10

CH11

CH12

CH13

CH14

A

E

T

R

CH5

CH6

CH7

CH8

CH9

CH10

CH11

CH12

CH13

CH14

Sub Protocols

0 - PWM_IBUS

1 - PPM_IBUS

2 - PWM_SBUS

3 - PPM_SBUS