[. . . ] Three Phase power analyser Type of electrical system: Selectable: 1-phase, 2-phase, 3-phase with neutral; 3-phase without neutral, 3-phase ARON. [. . . ] WARNING: the current inputs can be connected to the lines ONLY through current transformers. SYS : electrical system selection, choose the correct electrical system: 3P. Example: if the primary of the CT being connected is 300A and the secondary is 5A, the CT ratio corresponds to 60 (obtained from the calculation: 300/5). : power integration time: select the needed value from 1 to 30 minutes. If the serial port communication is not present the "adr" menu won't be displayed. : Up alarm (V LN), it's the max value of the variable over which the alarm is activated. : Down alarm (V LN), it's the min value of the variable over which the alarm is activated. N : neutral current alarm, it's the value of the variable over which the alarm is activated. [. . . ] When the phase to phase voltage are displayed or W-var are generated, the decimal points on the right of the display are blinking. [. . . ]