QUICK START GUIDE AcoustiCal AC-300 Calibrator On/Off/Enter key + Press to power on + Press again to change to 250 Hz if applicable + Press to power off...
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Calibration 1. Insert the microphone (with the cal adapter if needed) into the calibrator cavity ensuring the microphone and adapter are fully seated (or inserted). Note: the ambient noise level should be less than 88 dBA. 2. Power on the AcoustiCal by pressing the key and allow at least 10 seconds to stabilize.
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