Specifications

63 Signametrics
Remarks ble floating value that is the dB deviation relative to the
ading made just before the relative function was activated. This function is useful in
r bandwidth measurements or
DC evaluation.
Parame
int DMMGetdB(int nDmm, double FAR *lpdDev)
This function returns a dou
re
determining measurement errors in dB. It can be used fo
ter
Type/Description
nDmm
int Identifies the DMM. DMMs are numbered starting with zero.
lpdDev
double FAR * Pointer where the dB value is to be saved.
Return Value Integer error code..
Value
Meaning
DMM_OKAY
Operation successfully completed.
Negative Value
Error code
Example double FAR dB; int status = DMMGetdB(0, &dB);
Description Get dB deviation from the reading at the time relative was activated.
include "sm204032.h"
int DMMGetdBStr(int nDmm, LPCSTR lpszDB)
Remarks This function is the same as the DMMGetdB(), with the exception that it returns a string.
Parameter
DMMGetdBStr
X2040 ; SMX2044 ; SM
#
See DMMGetdB() for more details.
Type/Description
nDmm
int Identifies the DMM. DMMs are numbered starting with zero.
lpszDB
LPCSTR Points to a buffer (at least 16 characters long) to hold the
lt. The return value will consist of a leading sign a floating-point,
and a ‘dB’ units specifier
Return Value Integer string length if successful, or an error code..
Value
resu
Meaning
Negative Value
Error code
Example char cBuf[32]; int strLength = DMMGetdBStr(0, cBuf);
DMMGetCJTemp
SMX2040 ; SMX2042 ; SMX2044 ;
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