You can't do it the way you're describing. You *might* be able to get the same end result by approaching things differently.
Your device only has 1 timing engine available for AO, so it can't simultaneously run 2 tasks that use different sample clock timing signals.
Depending on your system & your app requirements, you *might* be able to define both AO output channels in terms of the 1 fastest clock source. But if not, you would need more DAQ hardware to generate 2 AO tasks with independent sample timing.
-Kevin P
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