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LED indicators
Battery indication
CAL40+
LED 1 - LED 2 - LED 3 LED state Capacity Buzzer
LED 1-3 constantly on Full -
LED 1-2 constantly on
LED 1 constantly on Low Single beep on key activation
LED 1, left side,
switches from green to
yellow and flashes slowly
Two cycles left
Buzzing continually when voltage
has dropped below threshold limit
Charging indication
CAL40+
LED state
LED 1 - LED 2 - LED 3
Charging with internal charger
Fully charged / ready for use
On mains without battery mounted
Turn off mains
For use with external charger CH01,
please see CH01 usage details