4 Operating in EI Mode
78 5975/5977 Series MSD Operating Manual
To change MSD temperatures from the GC
control panel
1 Press MS/Aux Det to display the 5977B MSD menu.
2 Press the down arrow to scroll to Quad temp, Source temp or Transfer line.
3 Use GC keypad to enter the desired temperature.
4 Press Enter to apply the changes.
To view MSD vacuum pressure and Turbo
speed/Foreline Pressure from the GC control
panel
1 Press MS/Aux Det to display the 5977B MSD menu.
2 Press the down arrow to scroll to HiVac Pressure, or Turbo Speed % of full
/ Foreline Pressure.
To vent the MSD from the GC control panel
1 With the MSD pumped down, press MS/Aux Det to bring up the 5977B MSD
menu.
2 Press the down arrow to scroll to Start MSD Vent?. (Press Off/No to cancel
the vent cycle and pump down the MS).
3 Press ON/Yes to start the venting cycle.
4 When prompted open the vent valve.
To pump down the MSD from the GC control
panel
1 With the MSD vented, press MS/Aux Det to bring up the 5977B MSD menu.
2 Press the down arrow to scroll to Start MSD Vent?.
3 Press ON/Yes to start the pump down cycle.
4 When prompted open the vent valve.
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