Agilent Technologies 6475 User Manual page 40

4 Basic Operation
Turning off the instrument
3 In MassHunter Data Acquisition, in the Tune view or context, right-click the TQ
4 Wait until the instrument completely vents (reaching 760 Torr).
5 Close the Data Acquisition program and shut down the computer.
6 Press the power switch located in the lower left front corner of the instrument.
7 Unplug the main power cable behind the service panel. This action prevents
Agilent 6475 Triple Quad LC/MS System User Guide
icon in the Instrument Status window and select Vent to vent the system.
Click Yes to continue.
When you vent the system, the following occurs:
• The spray chamber high voltages, the drying gas heater, the nebulization
flow, the detector, and other lens voltages are turned OFF.
• The drying gas flow is set to Standby.
• If the APCI source is installed, the vaporizer heater is also turned OFF.
• If the installed source is an Agilent Jet Stream source, the sheath gas
heater is also turned OFF.
• The Rough Pump turns OFF when the turbo speed is below 20 percent.
the turbo pump components from overheating.
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