Back ASCO Load Bank Software/Firmware Downloads Load Banks Software / Firmware File NameCurrent Version (Click to Download)Notes Sigma PC Basic V3.0.36 - 9/20/2018 Digitally sign installer. Fix issue with VC runtime being installed even if already installed. Sigma LT Load Bank V9.00 How to update firmware 2805 (LPH500) support. 2905 (LPH700) support. 2705 (LPH80) support. Optional temp sensor startup delay - 2905. Fix issue with message rounding power rating value. Various fan rotation detect fixes. Do not clear LE3 outpts when in demo mode. Sigma LT Hand-held V4.00 How to update firmware Fixes to network and engineer UI layout. Various network stability fixes. Add ability to clear load bank event log - engineer screen only. Load unavailable bit supported, used to disable load during fan rotation detect. Support load bank x10 current scaling. Sigma 2 Hand-held V1.00 How to update firmware First general public release.