Agilent Technologies All Troubleshooting Guide download pdf (Page 184)

Data Organization 17

Data Acquisition 2

Data Acquisition

the container. All necessary files are now available for future data review and

reprocessing, without changes that were applied to the master method or

sequence template for other sequence runs.

During acquisition, the data files are stored to the sequence container. Within

each data file (*.D), two additional methods, ACQ.M and DA.M, are saved for

this specific run. These two methods are copies of the sequence method,

preserving the state of the method as it was at the time of acquisition of the

specific data file. In the case of e.g. calibration table updates the DA.M

methods differ for each of the runs.

The individual acquisition method ACQ.M is intended to preserve the

acquisition parameters, therefore it is recommended that you do not change

this method during future data review activities. In Data Analysis view, the

acquistion parameters of this method can be viewed and printed.

With these files saved in the sequence folder, all data review and reprocess

activities can be performed without altering the master method or the

sequence template. If needed, method changes can also be saved to the master

method again.

Data Acquisition of Single Runs

The new data concept is also introduced for single runs. In this case the data

file is saved directly into the respective subdirectory. Since only one method is

employed for a single run, this method does not need to be copied into the

subdirectory; all actions are performed directly with the master method. After

the acquisition part of the method is completed a copy of the master method is

saved into the data file directory (ACQ.M). Another copy (DA.M) is saved after

the data analysis part of the master method has been executed.

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Agilent Technologies All Troubleshooting Guide Page 184