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The Hearing Defender view, where available, calculates the attenuation from a range of hearing defenders and ear plugs using the measured octave band data.
The hearing protection calculations performed by this software are carried out in accordance with methods defined in the BS EN 458 : 1994 “Hearing protectors – Recommendations for selection, use, care and maintenance – Guidance document” standard.
This software contains information about hearing protectors that can be changed by the protector manufacturer at any time.
Always ensure that product information, particularly the assumed protection values (APV) are kept up to date.
To view the calculated data, click on one of the products shown in the list. The numerical and graphical data for the chosen product will be shown. To add 4dB to the Assumed Level, check the box below the data. To filter data above the criterion level, check the box below the data window.
To print the reports, right click over the table and select either Selected Defender Report to use the data for a particular product in the list or select All Defenders Report to use all of the information in the table.
Sorting, Grouping and filtering the data
The information shown in the table can be filtered or grouped using the column headings.
Click on a column heading to sort by the data by that column. An arrow will appear to show the direction of the sorting.
Click the column heading again to reverse the sort direction. Drag a column heading to the section above the heading to group the data.
The grouping will be displayed and the data arranged accordingly. To remove grouping, click the X in the heading currently used for the grouping function.
To filter data, click on the filter icon in the heading to display the filter selection box. Choose the required filtering and click the Filter button.
To remove the filtering, click on the filter icon and click Clear Filtering.
Right click on the graph to export as an image (JPEG or PNG) for use in other programs.
Add or Edit Hearing Defenders
To add a new hearing defender to the list, right click on the table and select Add.
To edit and existing hearing defender, select it from the list, then right click and select Edit.
In the window that appears you can enter the new APV values or change the name. When complete click OK to save the changes and close this window.
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