IT6900 Programming Guide 
  Copyright ©ITECH Electronic Co., Ltd.  vi 
Content 
Certification and Quality Assurance ............................................................................................................................ i 
Warranty Service ......................................................................................................................................................... i 
Limitation of Warranty ................................................................................................................................................ i 
Safety Signs ................................................................................................................................................................. i 
Safety Precautions ...................................................................................................................................................... ii 
Environmental Conditions ......................................................................................................................................... iii 
Regulation Tag ........................................................................................................................................................... iii 
Waste Electrical and Electronic Equipment (WEEE) Directive ................................................................................... iv 
Compliance Information ............................................................................................................................................ v 
Chapter1  Remote Control .............................................................................................................................. 1 
1.1 Overview .............................................................................................................................................................. 1 
1.2 SCPI Command Introduction ................................................................................................................................ 1 
1.3 Command Type of SCPI ........................................................................................................................................ 1 
1.4 Command Format ................................................................................................................................................ 4 
1.5 Data Type ............................................................................................................................................................. 6 
1.6 Remote Operation ................................................................................................................................................ 7 
1.6.1 RS232 interface ......................................................................................................................................... 7 
1.6.2 USB interface ............................................................................................................................................. 9 
1.6.3 GPIB interface ........................................................................................................................................... 9 
1.6.4 RS485 interface ....................................................................................................................................... 10 
Chapter2  SCPI Status Register ...................................................................................................................... 12 
Chapter3  System Commands ....................................................................................................................... 15 
STATus:QUEStionable[:EVENt]? ................................................................................................................................ 15 
STATus:QUEStionable:CONDition? ........................................................................................................................... 15 
STATus:QUEStionable:ENABle <enabled value> ....................................................................................................... 16 
SYSTem:VERSion? ..................................................................................................................................................... 16 
SYSTem:ERRor? ......................................................................................................................................................... 17 
SYSTem:REMote ....................................................................................................................................................... 17 
SYSTem:LOCal ........................................................................................................................................................... 17 
SYSTem:RWLock ....................................................................................................................................................... 18 
SYSTem:BEEPer ......................................................................................................................................................... 18 
SYSTem:COMMunicate:GPIB:RDEVice:ADDRess ...................................................................................................... 18 
SYSTem:INTerface ..................................................................................................................................................... 19 
Chapter4  Display Commands ....................................................................................................................... 20 
DISPlay ..................................................................................................................................................................... 20 
DISPlay:TEXT < Reference value> ............................................................................................................................. 20 
DISPlay:TEXT:CLEar ................................................................................................................................................... 20 
Chapter5  Trigger Commands ....................................................................................................................... 22 
TRIGger ..................................................................................................................................................................... 22 
TRIGger:SOURce ....................................................................................................................................................... 22 
Chapter6  Output Commands ....................................................................................................................... 23 
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