2.4G Datalink User Manual v1.1
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2020 SIYI Technology Copyright
2.6 LED Indicator Definitions
The LED indicator on the ground unit and the air unit has three colors. The blinking
frequencies indicates 2.4G Datalink system’s different working status.
Solid Green: Good communication.
Green Blinks: Blinking frequency indicates AK28 transmitter’s RF signal strength. The
faster it blinks, the worse the signal is.
Solid Red: Lost of communication.
Slow Red Blinks: Ground unit firmware does not match.
Fast Red Blinks: Transmitter is linking/binding with receiver.
Fast Red-Green-Yellow Blinks: Firmware upgrading mode.
