IEEE-488 Reference
3-133
:RELative:RESet
:SYSTem:TSTamp:RELative:RESet Reset relative timestamp to 0.
Description This action command is used to reset the relative-time timestamp to zero seconds.
3.22.11 :RNUMber:RESet :SYSTem:RNUMber:RESet Reset reading number to zero
Description When the reading number is included as a GPIB data element (see paragraph 3.16; :FOR-
MAT:ELEMents), each reading sent over the bus is assigned a number starting at #0. The read-
ing number resets to zero when the instrument is turned on or when this action command is
asserted.
3.22.12 Zero check and zero correct commands
:ZCHeck <b>
:SYSTem:ZCHeck <b> Control Zero Check
Parameters <b> = 0 or OFF Disable Zero Check
1 or ON Enable Zero Check
Query :ZCHeck? Query state of Zero Check
Description This command is used to enable or disable Zero Check. See paragraph 2.13 for details on Zero
Check.
:ZCORrect[:STATe] <b>
:SYSTem:ZCORrect[:STATe] <b> Control Zero Correct
Parameters <b> = 0 or OFF Disable Zero Correct
1 or ON Enable Zero Correct
Query :ZCORrect? Query state of Zero Correct
Description This command is used to enable or disable Zero Correct. There are two methods to perform zero
correction. The first method is consistent with the way zero correction is performed from the
front panel. That is, zero correct is enabled, and then this command is used to enable zero cor-
rect. The following command sequence performs zero correction:
:SYSTem:ZCHeck ON ‘ Enable zero check
:SYSTem:ZCORrect ON ‘ Perform zero correction
The second method to perform zero correction is to first acquire the zero correct value, and then
use this command to enable zero correct. The zero correction is done with zero check disabled.
The following command sequence demonstrates this method.
:SYSTem:ZCHeck ON ‘ Enable zero check
:SYSTem:ZCORrect:ACQuire ‘ Acquire zero correct value
:SYSTem:ZCHeck OFF ‘ Disable zero check
:SYSTem:ZCORrect ON ‘ Perform zero correction
See :ZCORrect:ACQuire for more information.
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