Anki,
Are you seeing the 10mV setting change on the instrument, or in the instrument driver?
I tried a mock-up using the tkds30xx driver under simulation and configured channel to a vertical range of 100mV. Reading back the vertical range setting on the same channel shows that the value was not coerced by the instrument driver and was still 100mV.
This tells me that the driver is not coercing your setting of 100mV to 10mV, so something else must be happening either in your configuration, or on the instrument. I confirmed this by walking through the driver source code that sets vertical range.
Could you post your code as an attachment on DevZone, or e-mail it to instrument.driver@ni.com? I suspect that some other configuration step you're taking may be
modifying the vertical range value as a side-effect, either in the instrument driver or on the hardware. If this is the case, I'll need your code to effectively replicate the problem.
Thanks,
Bankim Tejani
Instrument Driver Group
National Instruments
