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Chapter 2

Function Reference — Set_DAQ_Device_Info

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 National Instruments Corporation

2-389

NI-DAQ FRM for PC Compatibles

This function can be used to change the data transfer mode (interrupts and DMA) for certain 
classes of data acquisition operations, some settings for an SC-2040 track-and-hold accessory 
and an SC-2043-SG strain-gauge accessory, as well as the source for the CLK1 signal on the 
DAQCard-700. Refer to the Using This Function section to determine which settings can be 
changed for your device.

Legal ranges for the infoType and infoValue are given in terms of constants that are defined 
in a header file. The header file you should use depends on which of the following languages 
you are using:

•

C programmers—

NIDAQCNS.H

 (

DATAACQ.H

 for LabWindows/CVI)

•

BASIC programmers—

NIDAQCNS.INC

 (Visual Basic for Windows programmers should 

refer to the 

 section in Chapter 1, 

, for more information.)

•

Pascal programmers—

NIDAQCNS.PAS

infoType indicates which parameter you want to change. Use infoValue to specify the 
corresponding new value.

Values that infoType accepts depend on the device you are using. The legal range for 
infoValue depends on the device you are using and infoType. 

i16

assigned by configuration utility

u32

parameter you want to modify

u32

new value you want to assign to the parameter 
specified by infoType