5�- OPERATION 
The PF regulator’s front panel shows the following items:
Navigation keys
Display
Measured
parameters
Congurable
parameters
Figure 6: computer MAX description�
 
 5.1.- DISPLAY SCREEN
computer MAXdevicesareequippedwitha3digitsx7segmentsLCDscreen.Thescreenhas
also a set of icons, which provide information about the regulator status. The main indications 
are:cosφvalue,reactivepowersign(
 for lagging or inductive PF and   for leading or 
capacitivePF),connectedstagesandmeasurementofdifferentparameters(see “5.2.- MEA-
SURED PARAMETERS”
)
Table 6: Display screen�
Icons  Screen and LEDs  Icons indications
Lagging or inductive power 
indication
 
Leading or capacitive power 
indication
The  LED(red)isON
in normal working conditions 
The    LED  shows 
that the reading of current or 
MAX. current has to be multi-
plied by 10
In normal working conditions, RUN 
LED(red)isONand
  cursor points 
totheparameterbeingdisplayed(Left
column list)  
In SET-UP mode, the RUN LED is OFF, 
the    cursor is blinking and pointing to 
theparameterbeingcongured(Right
column list).
Symbols indicating the stages which 
areconnected(onlyinRUNmode)