Operator`s manual

43 Signametrics
Remarks This function returns the DMM Relative flag state.
Parameter
Type/Description
nDmm
int Identifies the DMM. DMMs are numbered starting with zero.
Return Value Integer TRUE, FALSE or an error code.
Value
Meaning
TRUE
Relative mode is selected.
FALSE
Relative mode is not selected.
Negative Value
Error code
Example int rel = DMMIsRelative(0);
DMMOpenUSB
Description A service function which open the USB bus for the SMU2055. Not for user application.
#include "SMU2060.H"
int DMMOpenUSB(int nDmm)
Remarks This function is limited for servicing the DMM. It has no use in normal DMM operation..
See also DMMCloseUSB() function.
Parameter
Type/Description
nDmm
int Identifies the DMM. DMMs are numbered starting with zero.
Return Value Integer error code.
Value
Meaning
DMM_OKAY
Operation successfully completed.
Negative Value
Error code
Example int status = DMMOpenUSB(0);
DMMRead
Description Return the next floating-point reading from the DMM.
#include "SMU2060.H"
int DMMRead(int nDmm, double *lpdResult)