Fronius RC Panel Basic Instructions D'opération page 53

RC Panel Basic /BT: changing the battery
Indication of The indicator light does not light up after the device is switched on or does so for
empty batteries
less than 3 seconds.
Alongside the Bluetooth user, a battery symbol showing the current state of
discharge for the batteries is displayed on the power source.
RC Panel
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Basic /BT: chan-
ging the battery
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