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Introduction
Controls and Indicators
8 TSQ Endura and TSQ Quantiva Hardware Manual Thermo Scientific
Main Power Switch
In the Off position, the Main Power (circuit breaker) switch removes all power to the mass
spectrometer, including the external forepump or forepumps. In the On position, the mass
spectrometer receives power. In the standard operational mode, the switch stays in the On
position.
Electronics Service Switch
The electronics service switch is a circuit breaker. In the Service Mode (down) position, the
switch removes power to all components of the mass spectrometer except for the fans and
vacuum system. This setting allows you to service nonvacuum system components with the
vacuum system still operating. In the Operating Mode (up) position, all components of the
mass spectrometer have power.
SV65 Pump Enable Connector
The mass spectrometer turns the forepump or forepumps on and off by using the relay control
cable that connects to the SV65 Pump Enable connector.
Communications Panel
The communications panel, which is located on the right side of the mass spectrometer,
provides a system Reset button, a contact closure interface (Peripheral Control), an analog
input connector, USB ports for the external syringe pump and divert/inject valve, and a
Gigabit Ethernet connection port for the data system computer.
When you briefly press the reset button, the embedded processing system and digital circuitry
reset and the system software reloads from the data system. For more information about
resetting the mass spectrometer, see “Resetting the Mass Spectrometer” on page 52.
Figure 4 shows the communication connectors, and Table 4 lists the pin-out descriptions for
these connectors.
CAUTION To shut off all power to the mass spectrometer in an emergency, place the main
power circuit breaker switch (labeled Main Power) in the Off (down) position. Do not use
the electronics service switch.
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