Status LED
P900 Radio have 6 status LEDs, there are three blue, two orange and one green LEDs. The meaning of the different LEDs are:

Power LED(green)

This LED will illuminate when the P900 Radio is connected to a power source (7-35VDC).

TX LED (orange)

When illuminated, this LED indicates that the Radio is transmitting data over the air.

RX LED (orange)

This LED indicates that the Radio is synchronized and has received valid packets.

RSSI LEDs (3x Blue)

As the received signal strength increases, starting with the furthest left, the number of active RSSI LEDs increases. Signal strength is calculated based on the last four valid received packets with correct CRC. The value of RSSI is reported in S123.

RSSI LEDs(blue) - indicate the receive signal strength.

RSSI <20%
LED-20 off
LED-50 off
LED-100 off
20%<RSSI<50%
LED-20 on
LED-50 off
LED-100 off
50%<RSSI<80%
LED-20 on
LED-50 on
LED-100 off
80%<RSSI
LED-20 on
LED-50 on
LED-100 on

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