Ducati Energia REGO 5 Manuel D'instruction page 67

10.1 "Fr" = Mains frequency.
The "Fr" parameter is displayed in turn with the measured value.
It is only an indication.
Press DATA to go on to the next parameter
10.2 "COS" = Power factor desired in the system.
The "COS" parameter is displayed in turn with the default value "0.95".
The value can be changed using the L or M key.
Press DATA to go on to the next parameter
10.3 "UFF" = Mains voltage
The "UFF" parameter is displayed in turn with the default
value "400".
The value can be changed using the L or M key (possible values
400 or 230).
N.B.: If the controller is powered by an auxiliary transformer, the UFF
parameter should be set at the rated primary voltage of the
auxiliary transformer (range 100..700). To change this parameter,
press:
ALARM/RESET + L to increase the value.
ALARM/RESET + M to decrease the value.
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