Complete Shutdown - Waters GCT Premier Operator's Manual

3. In the Tune window CI tab, turn off the CI gas.

Complete shutdown

To shut down the instrument completely:
1. In the Tune window, click
indicator shows red.
2. Click Vacuum > Vent Instrument.
A message confirms the vent command.
3. Click OK.
The turbomolecular pumps are turned off.
Result:
operating speed, the vent valve is opened and the instrument is
automatically vented. The Vacuum and Operate status LEDs display
red.
4. Exit MassLynx.
5. Shut-down the PC.
6. Turn off the backing pump and switch it off at the main power switch.
7. Turn off all peripherals.
8. Turn the power off at the main power on/off switch (mounted on the rear
of the instrument).
A-4 Starting-up and Shutting-down the Instrument
When the turbomolecular pumps have run down to half normal
and confirm that the instrument status