Operation
44 Agilent Microwave Plasma Atomic Emission Spectrometers User’s Guide
3 Extinguish the plasma by choosing Plasma Off from the Plasma
button drop-down arrow or pressing SHIFT and F5 on the
keyboard. The peristaltic pump stops automatically when the
plasma is extinguished.
NOTE
The green Plasma enable button, located on the front of the MP-AES
instrument, is intended to be used only in an emergency. It is not intended to be
used every time you want to extinguish the plasma. If it is used to extinguish
the plasma, you will need to reset the Plasma enable button to the ‘on’ position
before the plasma can be re-ignited.
4 The mains power switch can be left on.
5 To increase the pump tubing lifetime, loosen the pressure on the
peristaltic pump tubing by releasing the pressure bars and lifting
the tubing out of the grooves in the tube retainer. To do this:
a Push up the pressure bar tensioners. (1 in Figure 5). This
releases them from the pressure bar.
b Allow the pressure bar to swing backwards. (2 in Figure 5)
c Lift the tubing out of the grooves in the tube retainer. (3 in
Figure 5)
Figure 5. Peristaltic pump components
If you would like immediate operation next time the MP-AES
instrument is started, leave the PC and gas on. Close the worksheet
by choosing Close from the File menu but leave the MP Expert
software running. You may switch off the printer, monitor and any
accessories.
It is recommended that the power save option on your PC is disabled.
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