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                         NoiseTools Quick Start Guide
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                         Where can I download the latest versions of my Cirrus software?
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                         Where can I find training and support videos?
 
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                         How do I download NoiseTools?
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                         How do I organise my NoiseTools database?
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                         What’s the QR code for on my NoiseTools report?
 
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                         Firmware Update for Optimus/Optimus+ Sound Level Meters
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                         OLED Screen Degradation Information
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                         Powering the Optimus/Optimus+