LED status
Reach RS4 / RS4 Pro has the Battery LEDs and Status LED. The Battery LEDs indicate the battery charge level. The Status LED indicates the operating states of the receiver.

Status LED
This LED indicates the receiver’s operating status.
Solid white: SINGLE solution
Solid orange: FLOAT solution
Solid green: FIX solution
Battery LEDs
These LEDs indicate the receiver’s loading state and battery charge level.
Off: Power is off
Running white: Receiver is loading.
One red LED: 1–10%
One white LED: 11–20%
Two white LEDs:21–40%
Three white LEDs: 41–60%
Four white LEDs: 61–80%
Five white LEDs: 81–100%
White LEDs blinking in sequence: Receiver is charging.