Operator`s manual

153 Signametrics
5.7 Calibration and Service Commands
AC_zero
SMU2060  SMU2064 
Description Disable AC measurement zero funciton.
#include "SMU2060.h"
#include "USBDMMUser.h"
int AC_zero(int nDdmm, int bACZero )
Remarks ith bACZero FALSE, the AC zero function is disabled. If TRUE it is enabled. The
default value is TRUE. Diabeling the AC Zero funciton allows the derivation of the value
to be set as offset parameter for the selected ACV range. This function is used during
calibration.
Parameter
Type/Description
iDmm Identifies the DMM. DMMs are numbered starting with zero.
bACZero Forces the AC zero to be active or inactive. Allowed values are TRUE
of FALSE.
Return Value The return value is one of the following constants.
Value
Meaning
DMM_OKAY
Valid return.
Negative Value
Error code
Example int err;
Err = AC_zero(0, FALSE); // disable AC Zero.
EraseCalStore
SMU2060  SMU2064 
Description Service function that wipes the Calibration record off the internal memory.
#include "SMU2060.h"
int EraseCalStore(int nDmm)
Remarks This function reformats the none volatile calibration store on-board the DMM, preparing
it for storing a calibration record. This function will remove the currently stored
calibration record and is not necessary during calibration.
Parameter
Type/Description
nDmm
int Identifies the DMM. DMMs are numbered starting with zero.
Return Value Integer error code.
Value
Meaning