Portland Tool & Die, Inc. BTC-4148A-R42-PtdCsrFw - 10/26/2018 - Re-build the PtdBcspDfu.exe program for x86 target in stead of x64 target. This fixes the issue of updating directly from Melody-5.5-RC10 to PtdCsrFw-10.xxx. This release includes the following elements: BTC-4148A instrument firmware version 3.18 PtdCsrFw version 10.15 BTC-4148 command line interface(btcutil.exe) version 1.23 BTC-4148 windows installer v42 USB virtual communications port driver, version 1.0