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Functional Description
Mass Spectrometer
Thermo Scientific
TSQ Quantum XLS and TSQ Quantum GC User Guide
23
The System LED illuminates yellow whenever the mass spectrometer is in Standby—that is,
high voltage is not supplied to the ion source, mass analyzer, or ion detection system, but the
mass spectrometer power is on. The System LED illuminates green whenever the high voltage
is enabled and the system is in the On state. High voltage is enabled if the pressure of the
analyzer chamber is below the values listed in
The Scan LED flashes blue whenever the mass spectrometer is on and is scanning ions.
The System Power Off button, located on the front of the electronics module, turns off power
to the mass spectrometer, gas chromatograph, and autosampler. See
. You must use
the main power circuit breaker, located on the back of the electronics module, to restore
power to the mass spectrometer, gas chromatograph, and autosampler.
Figure 10.
Front panel System Power Off button
The main power circuit breaker switch (labeled Main Power) is located on the power panel at
the back of the electronics module. See
. In the Off (O) position, the circuit breaker
removes all power to the mass spectrometer, gas chromatograph, and autosampler. In the
On (|) position, power is supplied to the mass spectrometer, gas chromatograph, and
autosampler. In the standard operational mode, the circuit breaker is kept in the On (|)
position.
CAUTION
In an emergency, to shut off all power to the mass spectrometer, gas
chromatograph, and autosampler, press the System Power Off button located at the front
of the instrument.
System
System Power Off