DAQCard 700: Problem with multichannel data acq. - Lab_ISCAN_Start returns -10003

[chris166]

I'm trying to do an asynchronous data acquisition in Visual C++ with a DAQCard 700. I'm using the function Lab_ISCAN_Start with the following parameters:

device = 1 (seems ok)
numChannel = 8
gain = 1
count = 1000
timebase = 1
scanInterval = 1000
sampInterval = 10000

The error returned is -10003 which is "The value of a numeric parameter is invalid"
What am I doing wrong? Is one of those parameters out of range for my DAQCard? Or do I have to set up something beforehand?

[Erin_B.]

DAQCard-700s do not support interval scanning so the scanInterval parameter must be set to 0. Otherwise, error -10003 will be returned.

Regards,
Erin