Operating in EI Mode 4
5977B Series MSD Operating Manual 109
To Perform High-Mass Testing
Materials needed
• PFHT High Mass checkout sample 3 × 1 mL (5188-5357)
Procedure
1 Load the autotune file (atune.u, HES_atune.u, etune.u) then auto tune the
MSD. (See “To Tune the MSD in EI Mode” on page 104.)
2 Resolve the PFHT.M method under
MassHunter\MSD\x\methods\checkout\PFHT.M
where x is the instrument number being used.
3 Update and save the method.
4 Load the PFHT calibration sample into a vial and place in position 2.
5 In Instrument Control view select High Mass Check from the Checkout menu.
6 Follow the instructions on screen.
7 The Run is completed, and results are printed within 5 minutes. (See
Figure 35 on page 110.)