3156B User Manual
Racal Instrument © 2005
Programming Reference 5-117
Parameters
Name
Variable
Type
Description
instrHandle
ViSession
The Instrument Handle is used to identify the unique
session or communication channel between the driver
and the instrument. If more than one instrument of the
model type is used, this will be used to differentiate
between them. Note that the initialize function may be
used to associate multiple instrument handles with a
single instrument.
FSKOneFrequency
ViReal64
Selects the frequency where the 3156B will shift when
the controlling bit is one.
Valid range: 0.01 to 25e6 (Hz)
Default: 1e6
Return Values
Displays the return status of the function call. If the function was successful, it will return a status of
VI_SUCCESS, otherwise it will return an error code. Passing the error code into the function
"ri3156B_error_message()" will return a string describing the error.
Ri3156b_set(query)_FSK_zero_frequency
Description
This programs the carrier frequency. The frequency remains at this frequency as long as the pointer in the data
array points to “0”.
Channel Dependency: independent
C Syntax
ViStatus ri3156b_set_FSK_zero_frequency (ViSession instrHandle, ViReal64 FSKzeroFrequency)
ViStatus ri3156b_query_FSK_zero_frequency (ViSession instrHandle, ViReal64 * FSKzeroFrequency)
Parameters
Name
Variable
Type
Description
instrHandle
ViSession
The Instrument Handle is used to identify the unique
session or communication channel between the driver
and the instrument. If more than one instrument of the
