Calibrating
67
4
Use Fast Scan Time to calculate the fastest scan speed the calibration can accommodate
(the range’s upper limit). Thus, where Fast Scan Time = 0.4 seconds:
Scan speed = 2040 – 50/0.4+0.1 = 3980 amu/sec
The scan speed range for this calibration is 197 to 3980 amu/sec.
Checking the Calibration
Select
Process
>
Verification From File
from the Calibration window (
) to view
a successful or failed calibration. The Display Calibration Graphs dialog box appears
(
). From it you can select a calibration type for viewing. With the required
calibration selected, MassLynx automatically displays the correct calibration file.
Figure 4-11 Display Calibration Graphs Dialog Box
Note:
Data for the selected calibration type must appear in the lower frame of the dialog
box. If it does not, click
Browse
to find the correct file.
Click
OK
to repeat the calibration and display a Calibration report.
Calibration Report
MassLynx momentarily displays a successful calibration and then prints its Calibration
report. However, if the standard deviation of a calibration’s residuals exceeds the preset
maximum, the software displays a set of calibration graphs in the Calibration window
(
). These help you identify the problem.
Summary of Contents for Micromass ZQ 2000
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