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System Shutdown, Startup, and Reset
Placing the System in Standby Mode
Thermo Scientific TSQ Quantum XLS Series User Guide 51
Placing the System in Standby Mode
If you are not going to use the TSQ Quantum XLS Series system for a short period of time,
such as overnight or over weekends, you do not need to shut it down completely. When you
are not going to operate the system for 12 hours or more, you can leave the system in Standby
mode.
Y To place the system in Standby mode
1. Wait until data acquisition, if any, is complete.
2. From the TSQ EZ Tune window, choose Control > Standby (or click the On/Standby
button) to put the mass spectrometer in standby.
When you choose Control > Standby, the TSQ Quantum XLS Series system turns off the
electron multiplier, the conversion dynode, the ion source filament and lenses (but not
the heater), and the mass analyzer and ion optics rf voltages. See Tab le 4 on page 59 for
the On/Off status of mass spectrometer components when the mass spectrometer is in
Standby mode. The System LED on the front panel of the mass spectrometer illuminates
yellow when the system is in standby.
3. Leave the mass spectrometer power on.
4. Leave the GC power on with column flow.
5. Leave the autosampler power on.
6. Leave the data system power on.
Shutting Down the System Completely
Shut down the TSQ Quantum XLS Series system completely only when you do not use it for
an extended period, or if it must be shut down for a maintenance or service procedure. For a
short period of time, such as overnight or over weekends, you can place the system in Standby
mode. See “Placing the System in Standby Mode.”
Y To shut down the system completely
1. Cool the GC oven, injector, transfer line, and ion source:
•GC oven: 30 °C (from the Oven page of the TRACE GC Ultra Setup view)
•Injector: off (from the SSL page of the TRACE GC Ultra Setup view)
• Transfer line: off (from the Aux Zones page of the TRACE GC Ultra Setup view)
•Ion source: 30 °C (from the TSQ EZ Tune window)
Note If you do not plan to change the column or perform maintenance on the gas
chromatograph, you do not have to lower the injector temperature.
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