Axis BTA 2100D Manuel de l'opérateur télécharger pdf (Page 458)

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Item Description

Delete Deletes the highlighted Time Events Table entry from the

table.

Sort Sorts the table in order of increasing start times.

Time Events

Event Description

Peak Width (WI) Changes the data bunching rate to allow for changing

peak widths during a run. If no WI events are

programmed, Data Handling will automatically adjust the

bunch rate as the peak widths increase or decrease. Any

time programming of peak widths prevents automatic

updating. Used to help reject noise spikes or to prevent

gradual baseline changes from being detected as peaks.

If a peak is being processed at the programmed time, the

event will not occur until a baseline segment is detected.

This bunching affects only how Data Handling views the

data; it does not have any effect on the raw data

bunching set in the Detector Information window for the

corresponding detector.

Inhibit Integrate (II) Suppresses integration of peak area or height. While II is

active, peak processing is disabled and no retention

times are displayed on the chromatogram or in the

results. In addition, any peak being processed at the start

of the II event will be aborted. Used to prevent integration

over a section of the chromatogram, sometimes to force

a baseline to be drawn. II disables peak sensing. In

contrast, SR is a post-run filter that rejects detected

peaks whose apices fall within the Solvent Reject

window.

Group Peaks (GR) Sums the areas of all peaks whose retention times fall

within the Group window. This causes all the peaks in

this window to be reported as a single peak with the

separation code GR and a retention time set to the

midpoint of the window. It is a post-integration function.

Used to treat all the peaks in a group as if they were a

single peak. The Peak Reject filter is applied after the

Group function, so that no peaks will be rejected from the

Group window because of size. A group peak is treated

like any other identified peak.

Solvent Reject (SR) Rejects all detected peaks whose apices fall within the

SR window. It is a post-integration filter. Used to exclude

peaks in a certain part of a chromatogram from the

report. Unlike the II event, SR can reject a mother peak

while retaining its tangent peak in the report.

Valley Baseline (VB) Forces peak baselines to be drawn through any valley

point that occurs during the VB window. It is a post-

integration function.

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Axis BTA 2100D Manuel de l'opérateur Page 458

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