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DA50: How to Modify Settings

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Yes, you need to run the Persono Pro software to load the settings into the DA50. NOTE: It is not sufficient to have the Plantronics icon sitting in the system tray. After powering up the PC, you actually have to double-click the icon to start Persono Pro, which loads the EQ values into DSP.  After this, you can close or minimize the Persono Pro (the DSP retains the settings while the DA50 remains powered up). If you have not installed Persono Pro software, or if you do not want to run Persono Pro, then the DA50 operates without any EQ values. This is roughly equivalent to running it with Headset EQ = 1 and Mic EQ = None.