IEEE488.2 Commands 
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Chapter12  IEEE488.2 Commands 
*CLS 
This order can clean the register as follows: 
  Standard event status register 
  Quest condition register 
  Status byte register 
Order syntax: 
*CLS 
Parameter: 
None 
*ESE 
This order can set the parameter of standard event enable register. Setting 
parameter can determine which bit value of standard event register is 1 and the 
byte will enable ESB of status byte register is 1. 
Order syntax: 
*ESE <NR1> 
Parameter: 
0~255 
Reset value: 
Consult *PSC order 
Example: 
*ESE 128 
Quest syntax: 
*ESE? 
Return parameter: 
<NR1> 
Reference order: 
*ESR? *PSC  *STB? 
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