Getting Started 
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Single Phase Mode 
The meter interface of IT7900 series power supply is shown as follow. 
 
 
 
 
 
Three Phase Mode 
The meter interface of IT7900 three phase mode is shown as follow. 
The parameters are the same as the single phase. 
 
 
Under three-phase mode, display total parameters corresponding to Phase A, B 
and C, the user can switch screen and view the total parameters of each phase. 
Voltage setting&meter value 
Frequency setting&meter value 
Display area of measuring data