Model 301
24-bit USB Data
Acquisition System
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OPERATION
Polled Mode Overview

In polled mode, individual conversions are requested with individual commands. Other commands set the digital outputs, change input channels, recalibrate the system, or change to scanning mode. To maintain compatibility with earlier products, the offset correction channel is designated as channel 7. The full scale calibration channel is designated as channel 6. The two available analog input channels are called channels 0 and 1.
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