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4.3.3 Configure spectrum gain events
The spectrum gain feature graphically magnifies the size of a chromatogram’s peaks. The
data itself is not affected; only the presentation of the data. This feature can be useful for
viewing peaks that are otherwise too small to examine or so large that the top of the peak
can not be seen.
Spectrum gain-related events are grouped on the lower left side of the Timed Events
window. To edit spectrum gain-related events, do the following:
1. Select Timed Events... from the Application menu.
The Timed Events Tables selector window appears, displaying a list of available timed
events tables.
Note
Other ways of accessing the timed event tables are by pressing F5 or by clicking from
the Toolbar.
Note
If only one timed events table is available, it will display immediately, bypassing the Timed
Events Tables selector window.
2. Select the table that you want to view.
The selected timed events table displays.
Note
To sort events by time, click the appropriate Sort button.
3. Click on the cell that you want to edit.
Depending on the cell type, you will either be required to select a value from a drop-
down list, or you will be able to type in the value directly. The following list describes
the spectrum gain-related parameters that are available on the timed events
window.
Det # The ID number of the detector that will be affected by the event. Select 1 or
2.
Gain Enter a value between 0 and 64. This is the exponent value in the following
expression: 2
gain value
. For example, a value of 0 means no gain is applied; a
value of 5 means the gain is increased to 32 times it’s original value.
Time Indicates the time, in seconds, that the event should occur during the
analysis. Enter a value between 0.0 and 3600.0.
Note
Event times must be less than the analysis time.
Application
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Application
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