ACI measurement.   
Before sending the command, run the command ―[SENSe:]CURRent:AC:NULL 
[:STATe]□ON‖ to enable NULL function. 
 
Return Format: 
The query returns the NULL value of ACI measurement. 
 
 
4.  [SENSe:]CURRent:AC:PEAK:STATe 
Command Format: 
[SENSe:]CURRent:AC:PEAK:STATe□{ON|OFF} 
[SENSe:]CURRent:AC:PEAK:STATe? 
 
Function: 
The command sets or queries the enable state of ACI peak-to-peak measuring 
function. 
 
Explanations: 
[SENSe:]CURRent:AC:PEAK:STATe □ {ON|OFF}:  Enable  or  disable  ACI 
peak-to-peak measuring function. 
[SENSe:]CURRent:AC:PEAK:STATe?: Query the enable state of ACI peak-to-peak 
measuring function. 
The command ―[SENSe:]CURRent:AC:NULL:VALue‖ can be used to set the ACI 
peak-to-peak value. 
 
Return Format: 
The command returns the enable state of ACI peak-to-peak measuring function. 
 
 
5.  [SENSe:]CURRent:AC:RANGe:AUTO 
Command Format: 
[SENSe:]CURRent:AC:RANGe:AUTO□{ON|OFF} 
[SENSe:]CURRent:AC:RANGe:AUTO? 
 
Function: 
The command sets or queries the enable state of ACI autorange function.