Sound & Vibration Instrumentation How to extract and save 1hour of a 24hours measurement? Tutorial: #26 Date: 04/24/03 Written by: VR Level: 2/5 Hardware: Software: dBTRAIT32 1. Introduction Good Morning folks! Today, we are going to optimize the memory size of your hard drive. Who never use the power 01dB software’s storing too much criteria, for too long…? Imagine you have stored 24 hours of Leq = 1s. During the measurement day 1hour of 24hours was really interesting because you track the event that you were looking for…How to extract this one hour event of the 24hours measurement? Follow the step-by-step procedure… 01dB Inc – 3 1 J o r d a n S t r e e t – P O B o x 7 9 6 – S k a n e a t e l e s , N Y 1 3 1 5 2 ℡ 315-685-3141 - 315-685-3194 - Web: http://www.01dbsupport.com 1 Sound & Vibration Instrumentation 2. Opening your 24hours measurement… Open dBTRAIT32 Click on File menu and Open Open the file: TooMuchLongMeasurement.cmg Click on Display menu and Time History On the time history display parameters click on OK Locate the 2 cursors before and after the Event Cursor #1 Cursor #2 Event 3. Opening a blank cmg file 01dB Inc – 3 1 J o r d a n S t r e e t – P O B o x 7 9 6 – S k a n e a t e l e s , N Y 1 3 1 5 2 ℡ 315-685-3141 - 315-685-3194 - Web: http://www.01dbsupport.com 2 Sound & Vibration Instrumentation We need to open a blank file to copy and paste the EVENT. Click on the File Menu Click on New You have now 2 cmg files opened in dBTRAIT32…we are going to copy the event in the blank cmg. 4. Copy and Paste Select the window “Time History 100ms TooMuchLongMeasurement…” containing the Leq time history Click on the Edit menu On the Copy window select Binary and Between Cursors and click on OK Select the blank cmg file Click on the Edit menu and Paste 01dB Inc – 3 1 J o r d a n S t r e e t – P O B o x 7 9 6 – S k a n e a t e l e s , N Y 1 3 1 5 2 ℡ 315-685-3141 - 315-685-3194 - Web: http://www.01dbsupport.com 3 Sound & Vibration Instrumentation The blank cmg contains the EVENT, click on the Display menu and Time History On the time history window parameters click on OK 5. Conclusion You can now save the cmg containing only the Event. 01dB Inc – 3 1 J o r d a n S t r e e t – P O B o x 7 9 6 – S k a n e a t e l e s , N Y 1 3 1 5 2 ℡ 315-685-3141 - 315-685-3194 - Web: http://www.01dbsupport.com 4