Teledyne GFC-7001T - Trace CO Analyzer - Manual (Page 220)

Calibration Procedures Teledyne API – Model T300/T300M CO Analyzer
Teledyne Analytical Instruments 220
9.7.1.3. ACTIVATE O2 SENSOR STABILITY FUNCTION
To change the stability test function from CO concentration to the O
2
sensor output,
press:
Note Use the same procedure to reset the STB test function to CO when the O2
calibration procedure is complete.