User manual

2.3.61 AcqrsD1_getExtClock
Purpose
Returns the current external clock control parameters of the digitizer.
Parameters
Input
Name Type Description
instrumentID ViSession Instrument identifier
Output
Name Type Description
clockType ViInt32 = 0 Internal Clock (default at start-up)
= 1 External Clock, continuously running
= 2 External Reference (10 MHz)
= 4 External Clock, with start/stop sequence
inputThreshold ViReal64 Input threshold for external clock or reference in mV
delayNbrSamples ViInt32 Number of samples to acquire after trigger (for
'clockType' = 1 only!)
inputFrequency ViReal64 The presumed input frequency of the external clock,
for clockType = 4 only
sampFrequency ViReal64 The desired Sampling Frequency, for clockType = 4
only
Return Value
Name Type Description
status ViStatus Refer to Table 2-1 for error codes.
Discussion
See remarks under AcqrsD1_configExtClock.
Programmer’s Reference Manual Page 118 of 210