Waters Xevo TQD Overview And Maintenance Manual page 49

UNIFI software:
a. From the Xevo TQD console, in the Maintain pane, click Vacuum.
b. On the Status page, click Pump.
After a 20-second delay, during which the turbopump is starting,
Tip:
the roughing pump starts. The Instrument System pane shows that
the instrument is in Standby mode, and the Operate LED remains off.
c. Wait a minimum of 2 hours for the instrument to be fully pumped
down (evacuated).
In the Instrument Summary pane, the Status indicator shows
Tip:
green when the instrument is fully pumped down (evacuated).
d. Click Instrument Operate Mode
When the mass spectrometer is in good operating condition,
Result:
UNIFI software displays status "Running" in the Instrument
Summary pane.
If clicking Instrument Operate Mode fails to put the instrument
Tip:
into Operate mode, UNIFI software displays corrective actions.
Starting the mass spectrometer
.
March 14, 2014, 715004387 Rev. B 49