BSWA 308 - Page 111

BSWA 308/309 BSWA Technology Co., Ltd
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After driver installation, connect sound
level meter to computer via USB cable,
a new device named Silicon Labs
CP210x USB to UART Bridge (COMx)
could be found in Device Manager.
★Note: Power sound level meter by
external supply when connect to
computer.
6.4.2 Firmware Update Procedure
The firmware update software FlashTool Wizard is
very easy to use. Please just follow the prompt
step by step.
Run FlashTool Wizard and select language.
Step 1: prepare the list items for update firmware.
Step 2: Install the driver. Please skip if you already
install deriver before.