Overview 
  Copyright ©ITECH Electronic Co., Ltd.  8 
7.6 Screen Capture Function .................................................................................................................................. 114 
7.7 Trigger Function ............................................................................................................................................... 114 
7.8 Query the System Log ...................................................................................................................................... 114 
7.9 Query the Energy ............................................................................................................................................. 114 
7.10 Set Parallel Operation Mode .......................................................................................................................... 114 
7.11 Remote Measurement Function .................................................................................................................... 120 
7.12 Digital I/O Function ........................................................................................................................................ 120 
7.13 Analogue Function (Ext-Program) (Optional) ................................................................................................. 123 
Chapter8  Measurement Functions ............................................................................................................. 127 
8.1 Meter Mode ..................................................................................................................................................... 127 
8.2 Oscilloscope Mode ........................................................................................................................................... 128 
8.3 Harmonic measurement .................................................................................................................................. 130 
8.4 Recorder Function ............................................................................................................................................ 132 
Chapter9  Technical Specifications .............................................................................................................. 133 
9.1 Main technical parameters .............................................................................................................................. 133 
IT7915P-350-90 .................................................................................................................................................. 133 
9.2 Supplemental characteristics ........................................................................................................................... 138 
Chapter10  Remote Control ...................................................................................................................... 139 
10.1 USB Interface .................................................................................................................................................. 139 
10.2 LAN Interface .................................................................................................................................................. 139 
10.3 CAN Interface ................................................................................................................................................. 142 
10.4 GPIB Interface (Optional) ............................................................................................................................... 143 
10.5 RS–232 Interface (Optional) ........................................................................................................................... 144 
10.6 Commonly Used Commands Overview .......................................................................................................... 145 
10.7 Demo Software Introduction ......................................................................................................................... 146 
Appendix ............................................................................................................................................................ 147 
Specifications of Red and Black Test Lines ............................................................................................................. 147