E4990A Help  
292 
 End With 
 Next i 
 Ana.WriteString ":CALC1:LIM:DISP ON", True 
 Ana.WriteString ":CALC1:LIM:DISP:CLIP OFF", True 
 Ana.WriteString ":CALC1:LIM ON", True 
 Ana.WriteString "*OPC?", True 
 Dummy = Ana.ReadNumber 
 ' 
 '*** Setting status resister. 
 Ana.WriteString ":STAT:QUES:LIM:PTR 2", True 
 Ana.WriteString ":STAT:QUES:LIM:NTR 0", True 
 Ana.WriteString ":STAT:QUES:LIM:CHAN1:ENAB 6", True 
 Ana.WriteString ":STAT:QUES:LIM:CHAN1:PTR 6", True 
 Ana.WriteString ":STAT:QUES:LIM:CHAN1:NTR 0", True 
 
 ' Clear status register 
 Ana.WriteString "*CLS", True 
 . ' Wait register clear end. 
 Ana.WriteString "*OPC?", True 
 Dummy = Ana.ReadNumber 
 ' 
 '* Trigger 
 ' Make a single trigger. 
 Ana.WriteString ":TRIG:SING", True 
 ' Wait measurement end. 
 Ana.WriteString "*OPC?", True   
 Dummy = Ana.ReadNumber 
 ' 
 '* Checking test results. 
 Ana.WriteString ":STAT:QUES:LIM?", True 
 ret = Ana.ReadNumber 
 Lim_Judge = ret And 2 
  Ana.WriteString ":STAT:QUES:LIM:CHAN1?", True 
 ret = Ana.ReadNumber 
 Tr1_Judge = ret And 2 
 Tr2_Judge = ret And 4 
 '