Calibrator is not connected to Wi-Fi network:
●●●● - "blinking green" -battery is well charged
●●●● - "blinking yellow" - battery is moderately charged
●●●● - "blinking red" - the battery is running low
Calibrator is connected to Wi-Fi network:
●●●● - "steady green" -battery is well charged
●●●● - "steady yellow" - battery is moderately charged
●●●● - "steady red" - the battery is running low
●●●● - "smoothly blinking red" - critical battery level, Wi-Fi is forced off, white strobe light is forced off.