Jot down which types of sound from outside your office distract you the most. Following the installation instructions, - Set up The Sonet APS system in your workspace - Use the system for a trial period of about a week. You will probably find that raising the volume over the first few days is the easiest way to find the most effective level for you. (Don't forget: if the background changes,you can adjust The Sonet APS volume to suit your needs) - At the end of the trial period, consider whether the distractions you initially noted have been reduced. If so, you can safely conclude that The Sonet APS has been effective for you. © Cambridge Sound Management 27 Moulton Street Cambridge, Massachusetts 02138 800 / 219-8199 617 / 349-3779 telephone 617 / 349-3788 fax info@cambridgesoundmanagement.com