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Advanced Features Model GFC7001E Carbon Dioxide Analyzer
Teledyne Analytical Instruments 143
7.4.5. ADDING A RECORDER OFFSET TO AN ANALOG OUTPUT
Some analog signal recorders require that the zero signal is 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 in
the GFC 7001E/EM by defining a zero offset, a small voltage (e.g., 10% of span).
To add a zero offset to a specific analog output channel, select the ANALOG I/O CONFIGURATION submenu
(see Figure 7-4) then press: