Agilent Technologies 7250 Troubleshooting And Maintenance Manual page 92

5 CI Maintenance
15 In the Instrument Control panel, select the MS Tune icon to display the GC
16 Turn off the Emission by selecting the check box.
17 Purge the calibration valve by selecting the CI Cal Valve check box to open
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Q-TOF Tune dialog box. Select the Manual Tune tab then select the Ion
Source tab to display the ion source parameters.
the calibration valve. Close the CI Cal Valve after 30 seconds.
7250 Accurate-Mass Q-TOF Troubleshooting and Maintenance Manual