wait statement in data acquisition is not working, what might be the reasons ?

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MANJUNATH 2012-11-14

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https://ww2.mathworks.cn/matlabcentral/answers/53658-wait-statement-in-data-acquisition-is-not-working-what-might-be-the-reasons

i am using NI DAQ USB 6255 for data acquisition , i need to acquire the voltages from 1024 pixels so i am using "for loop " to address the pixels and the problem is , its taking way much time( 36sec) .

using wait statement will stop matlab execution and jus acquire data and store in DAQ card but writing wait syntax for 2 seconds is not working , its taking around 19 second .

plz any one help to counter this problem