Waters Xevo TQ MS Operator's, Overview And Maintenance Manual page 43

4. Press the power switch on the top, left-hand side of the mass
spectrometer and ACQUITY instruments.
Each system instrument "beeps" and runs a series of startup tests.
Result:
5. Allow 3 minutes for the embedded PC to initialize. An audible alert
sounds when the PC is ready.
The power and operate LEDs change as follows:
Tip:
• During initialization, the binary solvent manager's and sample
manager's status LED flashes green.
• After the instruments are successfully powered-on, all power LEDs
show steady green. The binary solvent manager's flow LED, the
sample manager's run LED, and the mass spectrometer's Operate
LED remain off.
6. Start the MassLynx or UNIFI software, and monitor the Instrument
Console software for messages and LED indications.
7. To evacuate (pump down) the mass spectrometer, follow the procedure
below for MassLynx software or UNIFI software.
MassLynx software:
a. Click IntelliStart in the MassLynx main window's lower left-hand
corner.
The mass spectrometer's console appears. The mass
Result:
spectrometer is in Standby mode.
b. Click Control > Pump, to start the roughing pump.
The Operate LED remains off.
Note:
c. Wait a minimum of 2 hours for the instrument to be fully pumped
down (evacuated).
In the Instrument Console, the System Ready indicator shows
Tip:
green when the instrument is fully pumped down (evacuated).
Starting the mass spectrometer
February 11, 2013, 71500130002 Rev. D 43