Operating in Electron Ionization (EI) Mode 3
5977 Series MSD Operation Manual 51
Table 7 Maintenance menu
Action Description
Prepare to vent Reminds you to shut down the GC then prepares the instrument for
venting when [Yes/Select] is pressed.
Pumpdown Initiates a pumpdown sequence.
Hi Vac Soft Start Allows you to connect or disconnect the hi vac soft start feature.
This feature slowly ramps up the turbo pump speed, and should be
used after the pump has sat idle for a few weeks to minimize wear
on the pump.
Table 8 MS Parameters menu
Action Description
High Vacuum Pressure Only with Micro-Ion vacuum gauge installed.
Turbo Pump Speed Displays the turbo pump speed.
MSD Fault Status Reports a summary fault status code (number) in ‘dec’ (decimal) and
‘hex’ (hexadecimal) format covering all possible fault combinations.
Ion Source Temp,
o
C Displays and sets the ion source temperature.
Quadrupole Temp,
o
C Displays and sets the quadrupole temperature.
CI Reagent Displays CI reagent gas and flow rate (if installed).
NOTE
MS parameters cannot be set from the LCP while an online MassHunter Data Acquisition
session is connected to the MSD.
Table 9 Network menu
Action Description
MSD IP via keyboard Displays the IP address for the MSD and is programmed via
MassHunter Data Acquisition.
Gateway IP Address Displays the gateway IP address for the MSD.
Subnet Mask Displays the subnet mask for the MSD.
GC Comm IP Address Displays the IP address
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