2. Battery Voltage Level Indicator
4 LEDs show the battery voltage level.
9 All 4 LEDs on: 12.5-12.7V+
9 3 LEDs on: 12.3-12.49V
9 2 LEDs on: 12-12.29V
9 1 LED on: 11.4-11.99V
9 1 LED flashing: below 11.39V
3. Water Tank Level Indicators
4 LEDs show water tank levels.
9 All 4 LEDs on: water tank is between ⅔ full and full.
9 3 LEDs on: water tank is between ⅓ and ⅔ full.
9 2 LEDs on: water tank is less than ⅓ full.
9 1 LED on: water tank is empty, or water level is below sensor and is not
detected.
4. Bluetooth Pairing Button
Used for pairing and unpairing devices and switches to the node.
15