Waters Autospec Premier Operator's Manual page 50

Peak display showing centralized nitrogen peak
7. On the Source tab, enter the following parameter values:
Tune window Source page parameter values
Parameter
Electron Energy (eV)
Trap (µA)
Ion Repeller (V)
Focus 1
Beam Centre
Focus 2
2-8 Tuning the instrument
Value
35
Enter 70 if a GC column is not
Note:
fitted, or standard scanning is being
performed.
650
Enter 500 if a GC column is not
Note:
fitted.
Select a value between -7 and -10
Select a value between 400 and 700
0
Select a value between 4000 and 4500