Phocos CML-V2 Guide De L'utilisateur page 29

In normal operation, the controller shows the state of charge of
the battery and the charge from the solar panels. Any change of
the state of charge (SOC) to a lower status is additionally signaled
acoustically.
Charge display
Solar array supplies Solar array does not
electricity supply electricity
(LED on) (LED off)
State of charge display
>75%
25-75%
<25% flashes: <10%
The percentage corresponds to the available energy until Low
Voltage Disconnect in relation to a fully charged battery.
Acoustic signals
A change in the state of charge (SOC) to a lower status is indicated
by an acoustic signal.
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