Five small LED indicators are on the LED display: four measurement units LEDs and one Sensor LED.
The measurement units vary according to the readings that appear in the three-digit row. They are:
One of the measurement unit LEDs will be lit to indicate the unit for the value currently shown in the three‑digit row.
The Sensor LED is lit only when PXE detects the physical connection of any environmental sensor.
The five LEDs look similar to this diagram but may slightly vary according to the model you purchased.
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