Operating the Calibrator Teledyne API T703/T703U Calibrator Operation Manual
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4.9.1.5. Adding a Recorder Offset to the TEST Channel

Some analog signal recorders require that the zero signal be significantly different from
the baseline of the recorder in order to record slightly negative readings from noise
around the zero point. This can be achieved by defining a zero offset, a small voltage
(e.g., 10% of span).
To add a zero offset to a specific analog output channel, press:
07223C DCN6572