dBAir Firmware Update V3.14 – Released 22/04/2021

We are happy to announce some major updates to our dBAir firmware. This is available for all customers with dBAir version 1.82 and above. If you have a dBAir below version 1.82 please contact us on 01723 582317 or email us at enquiries@castlegroup.co.uk for more information on how you can upgrade.

Simply connect your dBAir to WiFi and you will see the option to update the firmware.

Bug Fixes

Eject USB device using eject media in taskbar
wav file continued recording whilst creating csv file
Continuous wav file recording when limit of 1.9GB is reached, new wav file now starts and file name appended with P1, P2 etc
Auto Calibration could give incorrect level
Instrument no longer auto powers down if USB attached and no keys pressed


Measurement Setup renamed to Measurement Settings
Instrument Setup renamed to General Settings
WiFi moved to Main Menu
Weightings and Range separated
Function renamed to Octave Analysis
Exposure & HPD screen changed to accommodate OSHA and NIOSH and ANSI database
Hearing Protection, Load File renamed to Select File for HPD
Hearing Protection operation changed
Insertion Loss (dB) added to User Calibration
Calibration History updated
FCC ID added to Information Screen
UR points amended
New Meter Setup added
Added new keyboard entry for file naming, template naming, wifi password entry.

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