Set the model battery low voltage alarm method:
– Long press the button for 3 seconds to enter the cutoff voltage setting. At this time, the LED will flash.
– Short press the button to select the proper cutoff voltage within 3.4 to 3.7V (red LED indicates)
– No keystrokes within 10 seconds, automatically save the current value and exit
– If the total voltage is lower than the cutoff x number of units , an alarm will be triggered, the blue LED will flash, and the buzzer will continue Be..Be..Be..Be….
– If the total voltage rises above the cutoff x number of cells , the alarm is suspended.