User's Guide

10
Weighting
A-weighting: suitable for normal environment like office, hospital,
residential, etc.
C-weighting: suitable for noisy environment (> 100dB) like factories,
construction yards, dancing halls, etc.
Fast Time
Weighting
Enable or disable fast time weighting, this suit the environment in which
sound has great fluctuation. It will increase power consumption as well as
shorten the battery life.
Change Password
Change the password for ToolBox App to write this device.
4.4 Advanced Settings
4.4.1 Calibration Settings
Go to Device Setting -> Basic -> Calibration Settings of ToolBox App to set the numeral
calibration of sound pressure level. With the calibration value saved, the device will add the
calibration value to the raw value in each report automatically.
4.4.2 Threshold Settings
Go to Device -> Settings -> Threshold Settings of ToolBox App to enable the threshold settings
and input the threshold. It will upload the current data once when SPL value exceeds the
threshold for more than one minute.
4.5 Maintenance