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How do I turn off continuous output on my PCI-6534?

When I do a Dig_Block_Out the data keeps repeating after the block is oututted the first time. I am outputting 3 32byte wide values. These keep repeating even if I only call Dig_Block_Out once!
I did try Set_DAQ_Device_Info(iDevice, ND_PATTERN_GENERATION_LOOP_ENABLE, ND_OFF) but this didn't seem to do anything.
Can anyone help?
Thanks,
David
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David:
Instead of ND_OFF, try ND_NONE, that should turn off the looping from onboard memory. Also, if you reset the device by calling Init_DA_Brds, that should set all attributes back to default.

Hope this helps,
June
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