Waters GCT Premier Operator's Manual page 69

Instrument Setup DRE Magnification Factor Setup:
15. From the Reference File list, click the reference compound file for the
sample that has been injected into the instrument.
Ensure you are using the correct file for the reference compound
Note:
sample and the ion mode selected.
16. Click Next.
The Instrument Setup Wizard then sets up the DRE magnification
factors.
Setting up the instrument automatically 3-17