ABB ACF5000 Manual page 93

Procedure
ACF5000 FTIR ANALYZER SYSTEM
1 Press ENTER to select the FTIR spectrometer.
The analyzer system automatically switches to zero air and the Manual
reference menu is displayed.
Switch between the various display pages using the < and > softkeys.
2 If the measured value is stable, start recording the manual reference by
pressing ENTER.
| OI/ACF5000-EN REV. A 93