MicroRAE User’s Guide113. User InterfaceThe MicroRAE’s user interface consists of the display, LEDs, an alarm buzzer, and two keys.3.1. Display OverviewThe LCD display provides visual feedback that includes the sensor types, readings, batterycondition, and other functions.3.1.1. Status Indicator IconsAlong the top of most screens are status indicators that tell you whether a function is operatingand/or its strength or level.Icon FunctionMesh and WiFi enabled and power onMesh Radio or WiFi Wireless status: the radio is off (replacedby “R” when Roaming is on).Mesh Radio or WiFi Wireless status: the radio is on (replacedby “R” when Roaming is on). Wireless strength is indicated by0 to 4 bars. Flashing icon without bars indicates network hasnot been found.Cannot find network (blinking icon)Mesh Radio & WiFi signal less than 20%Mesh Radio & WiFi signal 21% to 50%Mesh Radio & WiFi signal 51% to 70%Mesh Radio & WiFi signal 71% to 100%Roaming status: “R” blinks when trying to find a network(replaced by antenna when Roaming is off). “R” is solid whennetwork communication established.Network joined, signal very low RSSI (0% to 19%)Unit of measureReading valueSensor typeDatalog Status indicatorBattery StatusMan Down alarm onCalibration and bump testup to dateBLE onInstrument in alarmMesh Radio on and signal strengthGPS on and signal strength