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Figure 18
5
6
7
8
9
10 Autotune the MSD. See
11 In the Manual Tune dialog, the Filament parameter allows you to enter 1 or
12 Autotune the MSD again.
13 Enter the filament number that gave the best results.
14 Select Save Tune Parameters from the File menu.
5975/5977 Series MSD Operation Manual
Gold plated screws
and washers
Changing the filament - standard source shown, Extractor source similar
Secure the new filament(s) with the gold plated screw and washer.
After installing the filament, verify that it is not grounded to the source body.
Install the ion source. See
Close the analyzer chamber. See
page 125.
Pump down the MSD. See
2 for the filament number. Whichever number was present during the
previous autotune enter the other filament number.
If you decide to use the first filament number, run Autotune again to make
sure the tune parameters are compatible with the filament.
"To Install the EI Ion Source"
"To Close the Analyzer Chamber"
"To Pump Down the MS"
"To Run an Autotune"
General Maintenance
on page 118.
on page 79.
on page 74.
4
on
117
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