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how do i use this calibration file? i downloaded it but i suck with computers and i dont know what the file extention is.
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The calibration file is in text format and can be opened with notepad or similar text editor, or you can append a .txt extension to the filename (using rename) and then simply double click the file and it will open.
The format is frequency versus dB level (showing the level that the meter reads low or high from zero dB). For example an entry of ( 20 -5.0) would mean at 20Hz, the meter reads 5dB low, so you need to add 5dB to any reading at 20Hz.
But, it would be far better to download the excel file that matches your meter from the download page instead of having your GF write down stuff on a piece of paper.
This is the excel file for the digital meter. Simply put your raw meter readings into the cells provided and the results are compensated with the calibration automatically. It also draws a swell graph. You can download the sinewave tones from
here and burn them to a CD and use them to create the cell entries, or use the sinewave tones you already have.
brucek