Status LED

Holybro Microhard V1 Radio has 6 status LEDs, there are three blue, two orange, and one green LEDs.

Holybro Microhard V2 Radio has 7 status LEDs, there are three blue, three orange, and one green LEDs.

The meaning of the different LEDs is:

Power LED (Green)

This LED will illuminate when the 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.

DIAG LED (Orange, V2 ONLY)

This LED indicates the connectivity of the USB port. When illuminated, the USB port provides access to the diagnostic port of the radio. When turned off, the USB port provides access to the serial data port of the radio.

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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