IEEE488.2 Common Order 
  Copyright © Itech Electronic Co., Ltd.  39 
*STB? 
This order can read the data from status byte register. This order is similar to a 
statistics of series, but the equivalent of another instrument orders, it returns 
the value the same as series statistics, but after this order is executed, the bit 6 
value of status byte register is cleared, while the status bit will not be cleared 
when system statistics implemented. 
Quest syntax 
*STB? 
Parameter 
None 
Return parameter 
<NR1> 
Reference order 
*CLS 
*ESE 
*ESR 
*TRG 
When the trigger mode of the power supply is BUS order  trigger mode, the 
order will generates a trigger signal. 
Order syntax 
*TRG 
Parameter 
none 
*SAV 
This order can save the parameters of power supply to register. 
Order syntax 
*SAV <NRf> 
Parameter 
1 to 71 
*RCL 
This order can recall the parameter you saved before from the register. 
Order syntax 
*RCL <NRf>