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Chapter 2 Function Reference — AO_Calibrate
NI-DAQ FRM for PC Compatibles 2-26
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National Instruments Corporation
Using This Function
When NI-DAQ initializes the AT-AO-6/10, the DAC calibration constants stored in
EEPROMloc 1 (user calibration area 1) provide the gain and offset values used to ensure
proper device operation. In other words,
Init_DA_Brds performs the equivalent of calling
AO_Calibrate with operation set to 1 and EEPROMloc set to 1. When the AT-AO-6/10
leaves the factory, EEPROMloc 1 contains a copy of the calibration constants stored in
EEPROMloc 5, the factory area.
A calibration procedure performed in bipolar mode is not valid for unipolar and vice versa.
See the calibration chapter of the AT-AO-6/10 User Manual for more information regarding
calibrating the device.