We're pleased to announce a major software update is available for NavNet TZtouch2 MFDs. Version 6.21 software update includes: updated sounder module software, updated marine zones, new Canadian marine zones, and an updated eGuide. This software delivers expanded compatibilities, as well as enhancements, fixes and changes. Instructions and software are posted under the product pages of the TZTL12F and TZTL15F.