BSWA 308 - Page 7

BSWA 308/309 BSWA Technology Co., Ltd
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6. Operation Notes ...................................................................................................... 107
6.1 Operation ............................................................................................................ 107
6.2 Common Issue and Solutions .............................................................................. 107
6.3 Calibration ........................................................................................................... 108
6.4 Firmware Update ................................................................................................. 108
6.4.1 Install USB Driver ........................................................................................... 108
6.4.2 Firmware Update Procedure ........................................................................... 109
6.5 Warranty ............................................................................................................. 110
6.6 Customer Service Phone Number ........................................................................ 111
Annex 1 Glossary ....................................................................................................... 112
Annex 2 Adjustments at the Calibration Check Frequency ........................................... 114
Annex 3 Corrections for the Typical Effects of Reflections from the Case of Sound Level
Meter and Diffraction of Sound around the Microphone ................................. 115
Annex 4 Corrections of Windscreen in Free Field ........................................................ 116
Annex 5 Corrections of Electrostatic Actuator .............................................................. 117
Annex 6 Typical Frequency Response and Corresponding Upper Limit ....................... 118
Annex 7 Specification of 1/1 Octave Band Filter .......................................................... 119
Annex 8 Specification of 1/3 Octave Band Filter .......................................................... 120
Annex 9 Mid-band Frequencies for 1/1 Octave Band and 1/3 Octave Band Filters ....... 123