Portland Tool & Die, Inc. BTC-4149-R8 - 7/14/2022 This release includes the following elements: BTC-4149 instrument firmware version v4.8 - Update the GUI BT SR readout to support the HSP profile. PtdCsrFw version 11.7 - Fix HSP audio streaming so it works with the latest BT module FW. BTC-4149 command line interface(btc4149.exe) version 1.4 - No changes. USB virtual communications port driver, version 1.0