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Teledyne API T801 NDIR CO2 Analyzer Operation Manual Calibration Procedures
163
9.2.2. PERFORMING A MANUAL CALIBRATION CHECK
Note
If the ZERO or SPAN menu buttons are not displayed, the measurement
made during this cal check is out of the allowable range allowed for a reliable
calibration. See Section 11 for troubleshooting tips.
07274B DCN6418