Gary,

As I recall the offset is entered in counts.  So for a +-10V 16-bit 
D/A you'd have 3276.8 counts per Volt.  A 3.5 Volt offset would be 
around 11469 counts, though I don't know which polarity you would need.

Regards,
Brett

At 07:03 PM 11/26/2010, you wrote:
>I'm monitoring a signal with a DC value. I have tried to use the DC 
>Offset parameter in Channel Control to move output plot and having 
>problems. How do I use this DC Output parameter. The output voltage 
>I'm trying to offset is 3.5 volts.
>Gary



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