The small indicators at the bottom of the WiFi Configuration Page show the connection status of a PurpleAir sensor. Once the sensor’s WiFi settings are saved, the sensor will attempt to connect to each server to which it will send data. As each connection is made, its respective indicator will turn green.
Each indicator contains a three-letter abbreviation of what it refers to. The meaning of each abbreviation is below:
NTP - Network Time Protocol
Corrects the timestamps on a PurpleAir sensor’s SD card.LOC - Location
Calculates the position rating of a PurpleAir sensor.UPD - Update Server
The server where PurpleAir sensors grab new update files from.PAA - PurpleAir Transmission
Connection status to PurpleAir Servers.3RD - 3rd Party Data Processor.
Connection to a 3rd Party Data Processor. By default is set to Weather Underground.3RD - 3rd Party Data Processor.
Connection to a 3rd Party Data Processor.
The following indicators are no longer used:
TSA - ThingSpeak A Channel
TSS - ThingSpeak A Secondary
TSB - ThingSpeak B Channel
TSS - ThingSpeak B Secondary